CN102446153A - Communication module based on NLAS323 chip - Google Patents
Communication module based on NLAS323 chip Download PDFInfo
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- CN102446153A CN102446153A CN2011104204678A CN201110420467A CN102446153A CN 102446153 A CN102446153 A CN 102446153A CN 2011104204678 A CN2011104204678 A CN 2011104204678A CN 201110420467 A CN201110420467 A CN 201110420467A CN 102446153 A CN102446153 A CN 102446153A
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- 238000004891 communication Methods 0.000 title claims abstract description 17
- 239000003990 capacitor Substances 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 101000746134 Homo sapiens DNA endonuclease RBBP8 Proteins 0.000 description 4
- 101000969031 Homo sapiens Nuclear protein 1 Proteins 0.000 description 4
- 102100021133 Nuclear protein 1 Human genes 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The invention discloses a communication module based on an NLAS323 chip, which belongs to the technical field of data transmission communication and aims to solve the technical problem of providing a communication module with multiple data transmission modes. The communication module based on the NLAS323 chip adopts the technical scheme that the pin 3 of the NLAS323 chip is connected with the pin 3 of a universal serial bus (USB) interface after being connected with one end of a capacitor C2 in parallel; the pin 7 of the NLAS323 chip is connected with the pin 2 of the USB interface after being connected with one end of a capacitor C1 in parallel; the pin 1 and the pin 5 of the NLAS323 chip are respectively connected with the pin 4 and the pin 1 of an RS485 module; and the pin 6 and the pin 7 of the RS485 module are connected with the pin 2 and the pin 3 of an RS232 module after respectively being connected with a resistor R3 and a resistor R2. The communication module based on the NLAS323 chip is suitable for the data transmission field.
Description
Technical field
The present invention is based on the communication module of NLAS323 chip, belong to the data transmission communication technical field.
Background technology
Development along with electronic industrial technology; The kind of chip module collection, processing, transmission signals and quantity are more and more, and the standard input port of traditional die can not satisfy multiple a plurality of Signal Processing, the general spendable peripheral interface limited amount of chip; And function is single relatively; Yet more and more users requires chip to satisfy the transfer function of several data now, will take a large amount of peripheral interfaces like this, causes the utilization factor of chip port to reduce.
Summary of the invention
The present invention overcomes the deficiency that prior art exists, and technical matters to be solved is: a kind of communication module with several data transmission mode is provided.
For solving the problems of the technologies described above, the technical scheme that the present invention adopted is: based on the communication module of NLAS323 chip, comprising: NLAS323 chip, USB interface, RS485 module and RS232 module; 3 pin of NLAS323 chip and connect an end of capacitor C 2 after link to each other with 3 pin of USB interface, 7 pin of NLAS323 chip and connect an end of capacitor C 1 after link to each other with 2 pin of USB interface; 1 pin of said USB interface links to each other 4 pin ground connection of USB interface with+5V power port; The equal ground connection of the other end of the other end of said capacitor C 1 and capacitor C 2;
8 pin of said NLAS323 chip link to each other 4 pin ground connection of NLAS323 chip with+5V power port; 1 pin of NLAS323 chip, 5 pin link to each other with 4 pin, 1 pin of RS485 module respectively; 2 pin of said RS485 module, 3 pin also connect the back and link to each other with an end of resistance R 1, and 8 pin of RS485 module link to each other 5 pin ground connection of RS485 module with+5V power port; The other end ground connection of said resistance R 1;
6 pin of said RS485 module, 7 pin link to each other with 3 pin, 2 pin of RS232 module behind series resistor R3, the R2 respectively, 2 pin serial connection capacitor C, the 3 back ground connection of said RS232 module, 3 pin serial connection capacitor C, the 4 back ground connection of RS232 module; 5 pin ground connection of said RS232 module.
The present invention compared with prior art has following beneficial effect:
One, the present invention has realized three kinds of different communication modes through one road COM1, can satisfy the transmission of several data, has been issued to the chip communication port extension in the situation that does not change the original circuit function of chip;
Two, the present invention adopts the NLAS323 switch module, and outstanding process chip guarantees high efficient and reliable transmission of data;
Three, whole modular circuit is simple in structure, has optimized allocation of space, makes whole module volume less, the convenient manufacturing, and cost is lower.
Description of drawings
Do further detailed explanation below in conjunction with the accompanying drawing specific embodiments of the invention.
Fig. 1 is an electrical block diagram of the present invention;
Among the figure: 1 is that NLAS323 chip, 2 is that USB interface, 3 is that RS485 module, 4 is the RS232 module.
Embodiment
As shown in Figure 1, the communication module based on the NLAS323 chip comprises: NLAS323 chip 1, USB interface 2, RS485 module 3 and RS232 module 4; It is characterized in that: 3 pin of NLAS323 chip 1 and connect an end of capacitor C 2 after link to each other with 3 pin of USB interface 2,7 pin of NLAS323 chip 1 and connect an end of capacitor C 1 after link to each other with 2 pin of USB interface 2; 1 pin of said USB interface 2 links to each other 4 pin ground connection of USB interface 2 with+5V power port; The equal ground connection of the other end of the other end of said capacitor C 1 and capacitor C 2;
8 pin of said NLAS323 chip 1 link to each other 4 pin ground connection of NLAS323 chip 1 with+5V power port; 1 pin of NLAS323 chip 1,5 pin link to each other with 4 pin, 1 pin of RS485 module 3 respectively; 2 pin of said RS485 module 3,3 pin also connect the back and link to each other with an end of resistance R 1, and 8 pin of RS485 module 3 link to each other 5 pin ground connection of RS485 module 3 with+5V power port; The other end ground connection of said resistance R 1;
6 pin of said RS485 module 3,7 pin link to each other with 3 pin, 2 pin of RS232 module 4 behind series resistor R3, the R2 respectively, 2 pin serial connection capacitor C, the 3 back ground connection of said RS232 module 4,3 pin serial connection capacitor C, the 4 back ground connection of RS232 module 4; 5 pin ground connection of said RS232 module 4.
2 pin of said NLAS323 chip 1,6 pin link to each other with the COM1 of processor chips.
Among the present invention, USB interface 2 provides the data-interface of supporting USB2.0, and RS485 module 3 provides the COM1 that can supply RS485 type data line to insert, and RS232 module 4 provides the COM1 that can supply RS232 type data line to insert; The selection that NLAS323 chip 1 is accomplished data transmission is carried out data communication through 2 pin, 6 pin and the processor chips of NLAS323 chip 1.
The present invention adopts NLAS323 chip 1 and USB interface 2, RS485 module 3, RS232 module 4 integrated; Optimize allocation of space, made whole module volume less, adopted the circuit of this connected mode simple; The realization communication function is many, and the module and the chip cost of use are lower; Module provides USB interface, RS485 interface and RS232 interface, can connect multichannel several data line simultaneously and chip carries out exchanges data.
Claims (1)
1. based on the communication module of NLAS323 chip, comprising: NLAS323 chip (1), USB interface (2), RS485 module (3) and RS232 module (4); It is characterized in that: 3 pin of NLAS323 chip (1) and connect an end of capacitor C 2 after link to each other with 3 pin of USB interface (2), 7 pin of NLAS323 chip (1) and connect an end of capacitor C 1 after link to each other with 2 pin of USB interface (2); 1 pin of said USB interface (2) links to each other 4 pin ground connection of USB interface (2) with+5V power port; The equal ground connection of the other end of the other end of said capacitor C 1 and capacitor C 2;
8 pin of said NLAS323 chip (1) link to each other 4 pin ground connection of NLAS323 chip (1) with+5V power port; 1 pin of NLAS323 chip (1), 5 pin link to each other with 4 pin, 1 pin of RS485 module (3) respectively; 2 pin of said RS485 module (3), 3 pin also connect the back and link to each other with an end of resistance R 1, and 8 pin of RS485 module (3) link to each other 5 pin ground connection of RS485 module (3) with+5V power port; The other end ground connection of said resistance R 1;
6 pin of said RS485 module (3), 7 pin link to each other with 3 pin, 2 pin of RS232 module (4) behind series resistor R3, the R2 respectively, 2 pin serial connection capacitor C, the 3 back ground connection of said RS232 module (4), 3 pin serial connection capacitor C, the 4 back ground connection of RS232 module (4); 5 pin ground connection of said RS232 module (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110420467.8A CN102446153B (en) | 2011-12-15 | 2011-12-15 | communication module based on NLAS323 chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110420467.8A CN102446153B (en) | 2011-12-15 | 2011-12-15 | communication module based on NLAS323 chip |
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| CN102446153A true CN102446153A (en) | 2012-05-09 |
| CN102446153B CN102446153B (en) | 2017-04-12 |
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Citations (6)
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|---|---|---|---|---|
| US6601124B1 (en) * | 2000-02-14 | 2003-07-29 | International Business Machines Corporation | Universal interface for selectively coupling to a computer port type and method therefor |
| CN101246462A (en) * | 2008-03-26 | 2008-08-20 | 中兴通讯股份有限公司 | Periphery communication interface extension device and method |
| CN101645054A (en) * | 2009-08-25 | 2010-02-10 | 中兴通讯股份有限公司 | Data acquisition card, extension control system and method thereof |
| CN201600687U (en) * | 2009-09-28 | 2010-10-06 | 上海爱瑞科技发展有限公司 | Communication serial software switching circuit |
| CN201945994U (en) * | 2011-01-26 | 2011-08-24 | 周口市凯旺电子科技有限公司 | Multipurpose intelligent serial port controller |
| CN202372978U (en) * | 2011-12-15 | 2012-08-08 | 张国星 | NLAS323 chip-based communication module |
-
2011
- 2011-12-15 CN CN201110420467.8A patent/CN102446153B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6601124B1 (en) * | 2000-02-14 | 2003-07-29 | International Business Machines Corporation | Universal interface for selectively coupling to a computer port type and method therefor |
| CN101246462A (en) * | 2008-03-26 | 2008-08-20 | 中兴通讯股份有限公司 | Periphery communication interface extension device and method |
| CN101645054A (en) * | 2009-08-25 | 2010-02-10 | 中兴通讯股份有限公司 | Data acquisition card, extension control system and method thereof |
| CN201600687U (en) * | 2009-09-28 | 2010-10-06 | 上海爱瑞科技发展有限公司 | Communication serial software switching circuit |
| CN201945994U (en) * | 2011-01-26 | 2011-08-24 | 周口市凯旺电子科技有限公司 | Multipurpose intelligent serial port controller |
| CN202372978U (en) * | 2011-12-15 | 2012-08-08 | 张国星 | NLAS323 chip-based communication module |
Non-Patent Citations (2)
| Title |
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| 电子产品世界: "产品撷英", 《电子产品世界》 * |
| 陆熊等: "基于ISA总线的RS232/RS485(RS422)通讯转换卡", 《工业控制计算机》 * |
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| CN102446153B (en) | 2017-04-12 |
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Effective date of registration: 20170313 Address after: 030000 Shanxi Province, Taiyuan city Xinghualing District Banpo Street No. 11 1 Applicant after: Li Xin Address before: 042600 Shanxi city of Linfen province Fushan County, Shanxi Road No. 186 Applicant before: Zhang Guoxing |
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Address after: 037299 new towns in Shanxi province Shuozhou city Youyu County Yulin Street Patentee after: Li Xin Address before: 030000 Shanxi Province, Taiyuan city Xinghualing District Banpo Street No. 11 1 Patentee before: Li Xin |
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Address after: 030000 Shanxi Province, Taiyuan city Xinghualing District Banpo Street No. 11 1 Patentee after: Li Xin Address before: 037299 new towns in Shanxi province Shuozhou city Youyu County Yulin Street Patentee before: Li Xin |
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Effective date of registration: 20201222 Address after: No. 2700067, Xuefu Park, Taiyuan City, Shanxi Province Patentee after: Shanxi Xingzhi Dafu Information Technology Co.,Ltd. Address before: 030006 area B, room 2707, 426 Pingyang Road, Taiyuan Xuefu Park, comprehensive reform demonstration area, Taiyuan City, Shanxi Province Patentee before: Juzhi Zhuding (Shanxi) science and Technology Industry Development Center (L.P.) Effective date of registration: 20201222 Address after: 030006 area B, room 2707, 426 Pingyang Road, Taiyuan Xuefu Park, comprehensive reform demonstration area, Taiyuan City, Shanxi Province Patentee after: Juzhi Zhuding (Shanxi) science and Technology Industry Development Center (L.P.) Address before: 030000 No.1, No.11, Banpo East Street, Xinghualing District, Taiyuan City, Shanxi Province Patentee before: Li Xin |
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