CN102496381B - Method and device for adjusting electrification voltage, electrification resetting unit and chip - Google Patents
Method and device for adjusting electrification voltage, electrification resetting unit and chip Download PDFInfo
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- CN102496381B CN102496381B CN201110369355.4A CN201110369355A CN102496381B CN 102496381 B CN102496381 B CN 102496381B CN 201110369355 A CN201110369355 A CN 201110369355A CN 102496381 B CN102496381 B CN 102496381B
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Abstract
An embodiment of the invention discloses a method and a device for adjusting electrification voltage, an electrification resetting unit and a chip, which are used for adjusting electrification voltage of the chip. The method includes steps of acquiring the current electrification voltage value of the electrification resetting unit after the chip is electrified, judging whether the current electrification voltage value of the electrification resetting unit is equal to the preset electrification voltage value or not, if not, adjusting the electrification voltage value of the electrification resetting unit to the preset electrification voltage value. The embodiment of the invention further discloses the device, the electrification resetting unit and the chip, which correspond to the method. Electrification time of electrification voltage can be shortened effectively, and performance of the chip is improved.
Description
Technical field
The present invention relates to microelectric technique technical field, particularly relate to method and device, electrification reset unit, the chip of the upper piezoelectric voltage of adjustment.
Background technology
Safe digital card (SD card, Secure Digital Memory CARD) be a kind of memory of new generation of based semiconductor fast-flash memory device, it is used widely on mancarried device, there is high memory capacity, quick data transfering, the advantages such as great mobile dirigibility and security.
Inventor finds under study for action, after in prior art, SD card powers on, the change in voltage that powers on of the chip in SD card is slow especially, such as, the upper piezoelectric voltage of chip is increased to 3.3V from 0V needs 50ms, and is wherein increased to from 2.2V the time that 2.7V just needs 12ms, the upper piezoelectric voltage of chip increases slowly, power-on time is long, the chip in SD card can be worked and flash can not work and causes compatibility issue, reduces the performance of chip.
Summary of the invention
Embodiments provide method and device, electrification reset unit, the chip of the upper piezoelectric voltage of adjustment, for adjusting the upper piezoelectric voltage of chip, the power-on time of piezoelectric voltage in shortening, improves the performance of chip.
In adjustment in the embodiment of the present invention, the method for piezoelectric voltage comprises: after chip powers on, and obtains the magnitude of voltage that powers on that electrification reset unit is current; Judge that whether the current magnitude of voltage that powers on of electrification reset unit is identical with the preset magnitude of voltage that powers on; If not, then the magnitude of voltage that powers on of electrification reset unit is adjusted to the preset magnitude of voltage that powers on.
In adjustment in the embodiment of the present invention, the device of piezoelectric voltage comprises: acquiring unit, after powering on, obtains the magnitude of voltage that powers on that electrification reset unit is current for chip; Whether judging unit is identical with the preset magnitude of voltage that powers on for judging the current magnitude of voltage that powers on of electrification reset unit; Processing unit, time identical with the preset magnitude of voltage that powers on for the power on magnitude of voltage current when electrification reset unit, is then adjusted to the preset magnitude of voltage that powers on by the magnitude of voltage that powers on of electrification reset unit.
Electrification reset unit in the embodiment of the present invention comprises: voltage output module, for providing voltage output end mouth, and piezoelectric voltage in output; The voltage that powers on reads enable module, for providing the voltage that powers on to read enable bit, making when upper piezoelectric voltage enable bit is in enabled state, allowing piezoelectric voltage from voltage output module reading; Upper piezoelectric voltage arranges module, for providing upper piezoelectric voltage to arrange port, makes it possible to arrange the magnitude of voltage that powers on; Power on Voltage Cortrol enable module, and for providing the Voltage Cortrol enable bit that powers on, make when the Voltage Cortrol enable bit that powers on is in enabled state, upper piezoelectric voltage arranges module can adjust piezoelectric voltage.
Chip in the embodiment of the present invention comprises: the device of piezoelectric voltage in adjustment, electrification reset unit; In adjustment, the upper piezoelectric voltage of device to electrification reset unit of piezoelectric voltage adjusts.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
In the embodiment of the present invention, after chip powers on, the current magnitude of voltage that powers on of electrification reset unit will be obtained, and judge that whether this current magnitude of voltage that powers on is identical with the preset magnitude of voltage that powers on, if different, then the magnitude of voltage that powers on of electrification reset unit is adjusted to the preset magnitude of voltage that powers on, effectively can shortens the power-on time of upper piezoelectric voltage, improve the performance of chip.
Accompanying drawing explanation
Fig. 1 is a schematic diagram of the method for the upper piezoelectric voltage of adjustment in the embodiment of the present invention;
Fig. 2 is another schematic diagram of the method for the upper piezoelectric voltage of adjustment in the embodiment of the present invention;
Fig. 3 is a schematic diagram of the device of the upper piezoelectric voltage of adjustment in the embodiment of the present invention;
Fig. 4 is another schematic diagram of the device of the upper piezoelectric voltage of adjustment in the embodiment of the present invention;
Fig. 5 is a schematic diagram of electrification reset module in the embodiment of the present invention;
Fig. 6 is a schematic diagram of embodiment of the present invention chips.
Embodiment
Embodiments providing a kind of method and device, electrification reset unit, the chip that adjust piezoelectric voltage, for adjusting the upper piezoelectric voltage of chip, effectively can shorten the power-on time of chip, improve the performance of chip.
Consult Fig. 1, be the embodiment of the method for the upper piezoelectric voltage of adjustment in the embodiment of the present invention, comprise:
101, after chip powers on, the magnitude of voltage that powers on that electrification reset unit is current is obtained;
In embodiments of the present invention, the code for adjusting upper piezoelectric voltage is comprised in flash in the chip of SD card, after chip powers on, control module in chip will read this section of code and run from flash, upper piezoelectric voltage in electrification reset unit is adjusted, therefore, after chip powers on, control module will obtain the current magnitude of voltage that powers on of electrification reset unit.
102, judge that whether the current magnitude of voltage that powers on of electrification reset unit is identical with the preset magnitude of voltage that powers on, if not, then perform step 103, if so, then perform step 104;
In embodiments of the present invention, control module will judge that whether the current magnitude of voltage that powers on of electrification reset unit is identical with the preset magnitude of voltage that powers on, and determines whether according to judged result the upper piezoelectric voltage adjusting electrification reset unit.
103, the magnitude of voltage that powers on of electrification reset unit is adjusted to the preset magnitude of voltage that powers on.
In embodiments of the present invention, when the magnitude of voltage that powers on that electrification reset unit is current is different from the preset magnitude of voltage that powers on, illustrate that the magnitude of voltage that the current upper piezoelectric voltage of electrification reset unit will reach expection may need the longer time, in order to shorten chip power-on time, the magnitude of voltage that powers on of electrification reset unit is adjusted to the preset magnitude of voltage that powers on by control module.
It should be noted that, in embodiments of the present invention, when the magnitude of voltage that powers on that electrification reset unit is current is identical with the preset magnitude of voltage that powers on, control module will perform step 104, namely terminate the adjustment to upper piezoelectric voltage.
104, the adjustment to upper piezoelectric voltage is terminated.
In embodiments of the present invention, whether identical with the preset magnitude of voltage that powers on by judging the current magnitude of voltage that powers on of electrification reset unit, and when the magnitude of voltage that powers on that this electrification reset unit is current is different from the preset magnitude of voltage that powers on, the magnitude of voltage that powers on of electrification reset unit is adjusted to this preset magnitude of voltage that powers on, shorten the power-on time of chip, avoid causing compatibility issue, improve the performance of chip.
Technical scheme for a better understanding of the present invention, refers to Fig. 2, and in the embodiment of the present invention, a kind of embodiment adjusting the method for piezoelectric voltage, comprising:
201, after chip powers on, the voltage that powers on of electrification reset unit is read enable bit and is set to enabled state;
In embodiments of the present invention, electrification reset unit comprises the voltage that powers on and reads enable bit, control module can read enable bit to this voltage that powers on and arrange, if such as this voltage that powers on reads enable bit when only having 1 bit, when the value that can arrange this enable bit is 1, electrification reset unit allows control module to read the magnitude of voltage that powers on, when the value of this enable bit is 0, electrification reset module does not allow control module to read the magnitude of voltage that powers on, therefore, in embodiments of the present invention, if desired the upper piezoelectric voltage of electrification reset module is adjusted, after chip powers on, the voltage that powers on of electrification reset unit is read enable bit and is set to enabled state by control module, namely allow to read the upper piezoelectric voltage on electrification reset unit.
202, the voltage output end mouth of reset unit reads the current magnitude of voltage that powers on of electrification reset unit from power on;
In embodiments of the present invention, read after enable bit is set to enabled state at the voltage that will power on, the voltage output end mouth of reset unit is from power on read the current magnitude of voltage that powers on of electrification reset unit by control module.
It should be noted that, in embodiments of the present invention, the binary numeral of voltage output end mouth and the mapping table of the magnitude of voltage that powers on is saved in chip, therefore, the voltage output end mouth of first reset unit is from power on read binary numeral by control module, and in above-mentioned mapping table, search the power on magnitude of voltage corresponding with it, determine the magnitude of voltage that powers on that electrification reset unit is current.
Such as, if use the port of 6 bits as voltage output end mouth, then the mapping table that can arrange the binary numeral of electrification reset unit current power on magnitude of voltage and this voltage output end mouth is:
| Power on magnitude of voltage | Binary numeral |
| 2.4V | 000001 |
| 2.5V | 000011 |
| 2.6V | 000111 |
| 2.7V | 001111 |
| 2.8V | 011111 |
| 2.9V | 111111 |
If the binary numeral that control module reads is " 000001 ", then can determine that the current magnitude of voltage that powers on of electrification reset unit is 2.4V.
203, judge that whether the current magnitude of voltage that powers on of electrification reset unit is identical with the preset magnitude of voltage that powers on, if not, then perform step 204, if so, then perform step 206;
204, sent to by binary numeral corresponding for the preset magnitude of voltage that powers on the upper piezoelectric voltage of electrification reset unit that port is set;
In embodiments of the present invention, by the preset magnitude of voltage that powers in chip, namely this chip after the power-up, the numerical value that upper piezoelectric voltage finally will reach.Therefore, after control module gets the current magnitude of voltage that powers on, will judge that whether the current magnitude of voltage that powers on of electrification reset unit is identical with the preset magnitude of voltage that powers on, and process according to judged result.
When the magnitude of voltage that powers on that electrification reset unit is current is different from the preset magnitude of voltage that powers on, binary numeral corresponding for the preset magnitude of voltage that powers on sends to the upper piezoelectric voltage of electrification reset unit to arrange port by control module.
In embodiments of the present invention, save piezoelectric voltage in the storer of chip and the binary numeral of port and the mapping table of the magnitude of voltage that powers on are set, chip is after the preset magnitude of voltage that powers on, the binary numeral corresponding with this preset magnitude of voltage that powers on is obtained by inquiring about this mapping table, make to send to after the upper piezoelectric voltage of electrification reset unit arranges port at the binary numeral that the magnitude of voltage that powers on that this is preset is corresponding, electrification reset unit by upper for adjustment piezoelectric voltage to the preset magnitude of voltage that powers on.Such as, if piezoelectric voltage arranges the port of 10 bits that port uses on this, then the binary numeral of this port with the mapping table of the magnitude of voltage that powers on can be:
| The magnitude of voltage that powers on arranged | Binary numeral |
| 2.2V | 0000000001 |
| 2.3V | 0000000010 |
| 2.4V | 0000000100 |
| 2.5V | 0000001000 |
| 2.6V | 0000010000 |
| 2.7V | 0000100000 |
| 2.8V | 0001000000 |
| 2.9V | 0010000000 |
| 3.0V | 0100000000 |
| 3.1V | 1000000000 |
If the preset magnitude of voltage that powers on is 2.9V, then binary numeral " 0010000000 " sends to the upper piezoelectric voltage of electrification reset unit to arrange port by control module, piezoelectric voltage is made to be increased to 2.9V fast, even again read from voltage output end mouth the magnitude of voltage that powers on, this magnitude of voltage that powers on will be 2.9V.
205, the Voltage Cortrol enable bit that powers on of electrification reset unit is set to enabled state, makes the value of the described voltage output end mouth of electrification reset unit be the preset magnitude of voltage that powers on.
In embodiments of the present invention, if desired the adjustment of the upper piezoelectric voltage to electrification reset unit is completed, the Voltage Cortrol enable bit that powers on of electrification reset unit is set to enabled state by control module, makes the value of the voltage output end mouth of electrification reset unit be the preset magnitude of voltage that powers on.
206, the adjustment to upper piezoelectric voltage is terminated.
In embodiments of the present invention, when the magnitude of voltage that powers on that electrification reset unit is current is identical with the preset magnitude of voltage that powers on, the process that control module will terminate this time to the adjustment of upper piezoelectric voltage.
It should be noted that, in embodiments of the present invention, if desired again determine that whether adjustment is successful, control module will read binary numeral from voltage output end mouth, and obtain the magnitude of voltage that powers on corresponding to this binary numeral, determine whether identical with the preset magnitude of voltage that powers on, if identical, then illustrate and adjust successfully, if different, then continue to perform step 204 and 205, upper piezoelectric voltage is adjusted.
In embodiments of the present invention, current for electrification reset unit magnitude of voltage and the preset magnitude of voltage that powers on of powering on is compared, when the magnitude of voltage that powers on that electrification reset unit is current is identical with the preset magnitude of voltage that powers on, the upper piezoelectric voltage of adjustment electrification reset unit, the magnitude of voltage that powers on of electrification reset unit is made to be increased to the preset magnitude of voltage that powers on fast, avoid the generation of compatibility issue, shorten the power-on time of chip, improve the performance of chip.
Refer to Fig. 3, be the embodiment of the device of piezoelectric voltage in the adjustment in the embodiment of the present invention, comprise:
Acquiring unit 301, after powering on, obtains the magnitude of voltage that powers on that electrification reset unit is current for chip;
Whether judging unit 302 is identical with the preset magnitude of voltage that powers on for judging the current magnitude of voltage that powers on of described electrification reset unit;
Processing unit 303, time different from the preset magnitude of voltage that powers on for the power on magnitude of voltage current when described electrification reset unit, is then adjusted to the described preset magnitude of voltage that powers on by the magnitude of voltage that powers on of described electrification reset unit.
In embodiments of the present invention, after chip powers on, acquiring unit 301 obtains the current magnitude of voltage that powers on of electrification reset unit; Then, judge that whether the current magnitude of voltage that powers on of described electrification reset unit is identical with the preset magnitude of voltage that powers on by judging unit 302; When the magnitude of voltage that powers on that described electrification reset unit is current is different from the preset magnitude of voltage that powers on, the magnitude of voltage that powers on of described electrification reset unit is adjusted to the described preset magnitude of voltage that powers on by processing unit 303.
In embodiments of the present invention, whether identical with the preset magnitude of voltage that powers on by judging the current magnitude of voltage that powers on of electrification reset unit, and when the magnitude of voltage that powers on that this electrification reset unit is current is different from the preset magnitude of voltage that powers on, the magnitude of voltage that powers on of electrification reset unit is adjusted to this preset magnitude of voltage that powers on, shorten the power-on time of chip, avoid causing compatibility issue, improve the performance of chip.
Device for a better understanding of the present invention in embodiment, refers to Fig. 4, for the embodiment of the device of the upper piezoelectric voltage of adjustment in the embodiment of the present invention comprises:
The acquiring unit 301 described in embodiment as shown in Figure 3, judging unit 302, processing unit 303, and similar to the content of middle description embodiment illustrated in fig. 3, repeat no more herein.
Wherein, acquiring unit 301 comprises:
First setting unit 401, is set to enabled state for the voltage that powers on of described electrification reset unit is read enable bit;
Reading unit 402, for reading the current magnitude of voltage that powers on of described electrification reset unit from the voltage output end mouth of described electrification reset unit.
Wherein, processing unit 303 comprises:
Voltage setting unit 403, for sending to the upper piezoelectric voltage of described electrification reset unit to arrange port binary numeral corresponding for the described preset magnitude of voltage that powers on;
Second setting unit 404, for the Voltage Cortrol enable bit that powers on of described electrification reset unit is set to enabled state, makes the value of the described voltage output end mouth of described electrification reset unit be the described preset magnitude of voltage that powers on.
In embodiments of the present invention, after chip powers on, the voltage that powers on of described electrification reset unit is read enable bit and is set to enabled state by the first setting unit 401 in acquiring unit 301, and read the current magnitude of voltage that powers on of described electrification reset unit by reading unit 402 from the voltage output end mouth of described electrification reset unit, then judging unit 302 judges that whether the current magnitude of voltage that powers on of described electrification reset unit is identical with the preset magnitude of voltage that powers on, when the magnitude of voltage that powers on that described electrification reset unit is current is different from the preset magnitude of voltage that powers on, binary numeral corresponding for the described preset magnitude of voltage that powers on sends to the upper piezoelectric voltage of described electrification reset unit to arrange port by the voltage setting unit 403 in processing unit 303, finally by the second setting unit 404, the Voltage Cortrol enable bit that powers on of described electrification reset unit is set to enabled state, makes the value of the described voltage output end mouth of described electrification reset unit be the described preset magnitude of voltage that powers on.
It should be noted that, device shown in Fig. 3 and Fig. 4 is not when chip powers on, be kept in flash with the form of code, after chip powers on, control module in chip will read this section of code and run from flash, the function making control module have Fig. 3 and device embodiment illustrated in fig. 4 to have, can to the magnitude of voltage adjustment that powers on of chip.
In embodiments of the present invention, current for electrification reset unit magnitude of voltage and the preset magnitude of voltage that powers on of powering on is compared, when the magnitude of voltage that powers on that electrification reset unit is current is different from the preset magnitude of voltage that powers on, the upper piezoelectric voltage of adjustment electrification reset unit, the magnitude of voltage that powers on of electrification reset unit is made to be increased to the preset magnitude of voltage that powers on fast, avoid the generation of compatibility issue, shorten the power-on time of chip, improve the performance of chip.
Refer to Fig. 5, be the embodiment of the electrification reset unit in the embodiment of the present invention, comprise:
Voltage output module 501, for providing voltage output end mouth, piezoelectric voltage in output;
The voltage that powers on reads enable module 502, for providing the voltage that powers on to read enable bit, makes when described upper piezoelectric voltage enable bit is in enabled state, allows piezoelectric voltage from described voltage output module reading;
Upper piezoelectric voltage arranges module 503, for providing upper piezoelectric voltage to arrange port, makes it possible to arrange the magnitude of voltage that powers on;
Power on Voltage Cortrol enable module 504, for providing the Voltage Cortrol enable bit that powers on, make when described in power on Voltage Cortrol enable bit be in enabled state time, described upper piezoelectric voltage arranges module can adjust piezoelectric voltage.
In embodiments of the present invention, voltage output module 501 is set in electrification reset unit, the voltage that powers on reads enable module 502, upper piezoelectric voltage arranges module 503, power on Voltage Cortrol enable module 504, the control module in chip can be adjusted the upper piezoelectric voltage in electrification reset unit, effectively avoid the compatibility issue of chip and flash, shorten power-on time, improve the performance of chip.
Refer to Fig. 6, in the embodiment of the present invention, a kind of embodiment of chip comprises:
The device 601 of piezoelectric voltage in adjustment as shown in Figure 3 or Figure 4, and electrification reset unit 602, in this adjustment, the device 601 of piezoelectric voltage can adjust the upper piezoelectric voltage of electrification reset unit.
One of ordinary skill in the art will appreciate that all or part of step realized in above-described embodiment method is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium mentioned can be ROM (read-only memory), disk or CD etc.
Above the method for piezoelectric voltage in adjustment provided by the present invention and device, electrification reset unit, chip are described in detail, for one of ordinary skill in the art, according to the thought of the embodiment of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (7)
1. a method for the upper piezoelectric voltage of adjustment, is characterized in that, comprising:
After chip powers on, obtain the magnitude of voltage that powers on that electrification reset unit is current;
Judge that whether the current magnitude of voltage that powers on of described electrification reset unit is identical with the preset magnitude of voltage that powers on;
If not, then the magnitude of voltage that powers on of described electrification reset unit is adjusted to the described preset magnitude of voltage that powers on;
Wherein, the described magnitude of voltage that powers on by described electrification reset unit is adjusted to the described preset magnitude of voltage that powers on, and comprising:
Send to the upper piezoelectric voltage of described electrification reset unit that port is set binary numeral corresponding for the described preset magnitude of voltage that powers on;
The Voltage Cortrol enable bit that powers on of described electrification reset unit is set to enabled state, makes the value of the voltage output end mouth of described electrification reset unit be the described preset magnitude of voltage that powers on.
2. method according to claim 1, is characterized in that, the magnitude of voltage that powers on that described acquisition electrification reset unit is current, comprising:
The voltage that powers on of described electrification reset unit is read enable bit and is set to enabled state;
The current magnitude of voltage that powers on of described electrification reset unit is read from the voltage output end mouth of described electrification reset unit.
3. the method according to claim or 2 any one, is characterized in that, described method also comprises:
If when what described electrification reset unit was current power on magnitude of voltage is identical with the preset magnitude of voltage that powers on, then terminate the adjustment of the upper piezoelectric voltage to described electrification reset unit.
4. a device for the upper piezoelectric voltage of adjustment, is characterized in that, comprising:
Acquiring unit, after powering on, obtains the magnitude of voltage that powers on that electrification reset unit is current for chip;
Whether judging unit is identical with the preset magnitude of voltage that powers on for judging the current magnitude of voltage that powers on of described electrification reset unit;
Processing unit, time identical with the preset magnitude of voltage that powers on for the power on magnitude of voltage current when described electrification reset unit, is then adjusted to the described preset magnitude of voltage that powers on by the magnitude of voltage that powers on of described electrification reset unit;
Wherein, described processing unit comprises:
Voltage setting unit, for sending to the upper piezoelectric voltage of described electrification reset unit to arrange port binary numeral corresponding for the described preset magnitude of voltage that powers on;
Second setting unit, for the Voltage Cortrol enable bit that powers on of described electrification reset unit is set to enabled state, makes the value of the voltage output end mouth of described electrification reset unit be the described preset magnitude of voltage that powers on.
5. device according to claim 4, is characterized in that, described acquiring unit comprises:
First setting unit, is set to enabled state for the voltage that powers on of described electrification reset unit is read enable bit;
Reading unit, for reading the current magnitude of voltage that powers on of described electrification reset unit from the voltage output end mouth of described electrification reset unit.
6. an electrification reset unit, is characterized in that, comprising:
Voltage output module, for providing voltage output end mouth, piezoelectric voltage in output;
The voltage that powers on reads enable module, for providing the voltage that powers on to read enable bit, make when described in power on voltage read enable bit be in enabled state time, allow piezoelectric voltage from the reading of described voltage output module;
Upper piezoelectric voltage arranges module, for providing upper piezoelectric voltage to arrange port, makes it possible to arrange the magnitude of voltage that powers on;
Power on Voltage Cortrol enable module, for providing the Voltage Cortrol enable bit that powers on, make when described in power on Voltage Cortrol enable bit be in enabled state time, described upper piezoelectric voltage arranges module can adjust piezoelectric voltage.
7. a chip, is characterized in that, comprising:
The device of piezoelectric voltage in adjustment as described in any one of claim 4 or 5, and electrification reset unit as claimed in claim 6;
In described adjustment, the upper piezoelectric voltage of device to described electrification reset unit of piezoelectric voltage adjusts.
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| CN112218008B (en) * | 2020-10-12 | 2024-01-23 | Oppo广东移动通信有限公司 | Device control method, device, storage medium and electronic device |
| CN114563995B (en) * | 2022-01-17 | 2024-03-19 | 潍柴动力股份有限公司 | Reset detection method, device, equipment and storage medium of electronic control unit |
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| FR2886746B1 (en) * | 2005-06-06 | 2007-08-10 | Atmel Corp | REGULATION OF OUTPUT VOLTAGE LEVEL |
| KR100909801B1 (en) * | 2007-07-10 | 2009-07-29 | 주식회사 하이닉스반도체 | RDF tag and its operation method |
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