CN205656615U - Treater based on MPC824x provides generic interface - Google Patents
Treater based on MPC824x provides generic interface Download PDFInfo
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- CN205656615U CN205656615U CN201620353747.XU CN201620353747U CN205656615U CN 205656615 U CN205656615 U CN 205656615U CN 201620353747 U CN201620353747 U CN 201620353747U CN 205656615 U CN205656615 U CN 205656615U
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- processor
- mpc824x
- interface
- control unit
- ethernet
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Abstract
The utility model discloses a treater based on MPC824x provides generic interface, including central control unit to and the MPC603E microprocessor kernel that links to each other with central control unit respectively, store controller, PCI the control unit, double -H groove weld ART unit, ethernet controller, I2C unit etc. Adopt general fei sikaer MPC603e treater, high processing capacity, and multiple general communication interface is provided, including the PCI interface, the ethernet interface, serial communication interface, I2C bus interface etc, can extensively be used for wireless LAN, router / switch, embedded calculator, multichannel modem, the network storage, an image display system, the IO input -output process of enterprise ware, ethernet visit equipment, RAID system disk controller, copy the printing apparatus controller.
Description
Technical field
This utility model relates to processor research field, provides general connecing particularly to one based on MPC824x
The processor of mouth.
Background technology
In the high-end applications of various the Internets and data communication, processor as communication and control center,
It it is an indispensable nucleus module.Due to processor module technical sophistication, interface is numerous, and this increases
Add the technical difficulty of exploitation.
Use high performance processor general module, make developer liberate from complicated processor design work
Out, only concentrate design and the application paying close attention to peripheral circuit, minimizing can process in project development process
Device part debugging institute's cost time and the mistake being likely to occur, greatly shorten the design cycle, accelerate listing speed
Spend and reduce time and the complexity of upgrading, thus reduce TCO and provide outstanding expansible
Property.
MPC824X is second filial generation PowerPC of low price at high speed, has PCI 2.2 interface, is middle-end
Equipment classic, has the strongest embedded performance, have excellence performance, relatively low energy loss with
And relatively low heat dissipation capacity, it is used widely in real work.
Therefore, develop based on MPC824x processor, and various general interface is provided, such as pci interface,
I2C interface, Ethernet interface, RS485 interface etc., for meeting the high-end of various the Internet and data communication
Application and shortening construction cycle etc. have significant application value.
Utility model content
The purpose of this utility model is to overcome the shortcoming of prior art with not enough, it is provided that a kind of based on
MPC824x provides the processor of general-purpose interface, and this processor has multiple interfaces, and disposal ability is strong, application
Occasion is extensive.
The purpose of this utility model is realized by following technical scheme: a kind of processor based on MPC824x,
Including central control unit, and be connected with central control unit respectively MPC603E micro-processor kernel,
Storage control, PCI control unit and dual uart unit.Described central control unit is at MPC824x
Core control part in reason device chip, (is opened with MPC603E micro-processor kernel, Boot by 60X bus
Dynamic program device), Flash, SDRAM (Synchronous Dynamic Random Access Memory, with
Step dynamic RAM) connect, for being responsible for parts all to MPC603E micro-processor kernel and periphery
Between control and communication.Described storage control is connected with Flash, SDRAM by storage control line,
Support that double Boot starts simultaneously.The wherein external RS232 of a UART controller in described dual uart unit
Electrical level transferring chip, for providing the debugging serial ports of RS232 level standard；Another UART controller is straight
Receive daughtercard receptacle in succession, use RS485 level to carry out serial communication for motherboard.
Preferably, described processor includes that ethernet controller, described ethernet controller and PCI control single
Unit is connected by pci bus, and an external Ethernet electrical level transferring chip is used for providing 10M/100M adaptive
Answer ethernet interface.
Preferably, described processor includes I2C cell, described I2C cell is connected with central control unit, uses
In providing I2C standard communication interface.
Concrete, described RS232 electrical level transferring chip uses ADM3202ARN.
Concrete, described Ethernet electrical level transferring chip uses PHY device MS5153.
This utility model compared with prior art, has the advantage that and beneficial effect:
This utility model uses general Fes karr MPC603E microprocessor, and disposal ability is strong, and provides
Many general communication interface, including pci interface, Ethernet interface, serial communication interface, I2C bus connects
Mouthful etc., can be widely used for WLAN, router/switch, embedding assembly device, multichannel modulation /demodulation
Device, the network storage, image display system, enterprise's I/O I/O processor, ethernet access equipment,
RAID system Magnetic Disk Controler, reprographic printing device controller.
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram of this utility model device.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, this utility model is described in further detail, but this utility model
Embodiment be not limited to this.
Embodiment 1
As it is shown in figure 1, processor described in the present embodiment, phenanthrene is used to think karr POWERPC series MPC824x
As main control chip, this main control chip integrated MPC603E micro-processor kernel, 32 PCI host bridge, 64
BITBUS network sdram controller.Having high performance disposal ability, disposal ability reaches
488MIPS@266MHz.The pci interface of standard, the highest support 272MB ROM, 2GB are provided simultaneously
SDRAM, supports that double Boot starts.The integrated floating point unit of MPC603E, operation/memory element, system are posted
The functions such as storage unit.
The present embodiment uses dual pathways integrated DMA controller, supports Direct Model or linking scheme, supports
Between PCI and PCI, between local and PCI, between local and this locality, every passage 64 byte transmission queue.
Described storage control is connected with Flash, SDRAM by storage control line, supports that double Boot starts simultaneously.
In described processor, MPC603E micro-processor kernel, central control unit respectively by 60X bus with
Flash, SDRAM are connected, and support that double Boot starts simultaneously.
The present embodiment includes PCI control unit, is used for providing pci bus interface, interface signal be P_CLK,
P_IDSEL、P_IDSEL2、P_INT<3..0>、P_REQ<3..0>、P_GNT<3..0>、REQ2、
GNT2、P_FRAME、P_DEVSEL、P_IRDY、P_LOCK、P_PAR、P_TRDY、P_PERR、
P_STOP、P_SERR、P_CBE<3..0>、P_AD<31..0>、.Compatible with PCI 2.2 specification, 32 total
Line, maximum support 66MHZ.Support at most can connect 5 device PCI, by REQ<4..0>, GNT<4..0>
Make requests on and permit.Support works in PCI holotype or PCI:
(1) when working in PCI holotype (PCI_MODE=0), P_REQ<3..0>, P_GNT<3..0>
For external device PCI.P_REQ4 P_GNT4 for the device PCI RTL8139 of inside modules.
(2) when working in PCI from pattern (PCI_MODE=1), P_REQ3/P_GNT3 is for this
MPC824x applies for the bus right to use to main PCI, and REQ2/GNT2 is ethernet controller in this module
RTL8139 applies for the bus right to use to main PCI.
Processor described in the present embodiment also includes a RTL8139 ethernet controller, described RTL8139 ether
Net controller is mounted in pci bus, external PHY device MS5153 Ethernet electrical level transferring chip, can
There is provided 10M/100M self adaptation ethernet interface, interface signal is FE_TX+, FE_TX-,
FE_RX+、FE_RX-。
The present embodiment provides the dual uart unit being compatible with ST16550, and this unit includes two UART controls
Device processed.One of them UART controller external PHY device R S232 electrical level transferring chip
ADM3202ARN, it is provided that the debugging interface of RS232 level standard, for carrying out with computer serial communication port
On-line debugging, interface signal is RS232_TX, RS232_RX.Another UART controller is directly connected to
To daughtercard receptacle, use RS485 level to carry out serial communication for motherboard, interface signal be RS485TX,
RS485TEN、RS485RX、RS485REN。
Processor described in the present embodiment also includes an I2C cell, described I2C cell is connected with central control unit,
For providing I2C standard communication interface, interface signal is I2C_SCL, I2C_SDA.
The present embodiment module external output interface signal is as shown in table 1.
Table 1 module external interface signal defines
Above-described embodiment is this utility model preferably embodiment, but embodiment of the present utility model is not
Being restricted to the described embodiments, any of other is made without departing from spirit of the present utility model and principle are lower
Change, modify, substitute, combine, simplify, all should be the substitute mode of equivalence, be included in this practicality
Within novel protection domain.
Claims (5)
1. the processor that general-purpose interface is provided based on MPC824x, it is characterised in that include central authorities' control
Unit processed, and be connected with central control unit respectively MPC603E micro-processor kernel, storage control,
PCI control unit and dual uart unit, in described central control unit is MPC824x processor chips
Core control part, by 60X bus and MPC603E micro-processor kernel, Boot, Flash, SDRAM
Connect, for being responsible for the control between MPC603E micro-processor kernel and other all parts and leading to
Letter；Described storage control is connected with Flash, SDRAM by storage control line, supports double Boot simultaneously
Start；The wherein external RS232 electrical level transferring chip of a UART controller in described dual uart unit,
For providing the debugging serial ports of RS232 level standard；Another UART controller is directly connected to subcard and inserts
Seat, uses RS485 level to carry out serial communication for motherboard.
The processor that general-purpose interface is provided based on MPC824x the most according to claim 1, its feature
Being, described processor includes that ethernet controller, described ethernet controller pass through with PCI control unit
Pci bus is connected, and an external Ethernet electrical level transferring chip is used for providing 10M/100M self adaptation Ethernet
Communication interface.
The processor that general-purpose interface is provided based on MPC824x the most according to claim 1, its feature
Being, described processor includes I2C cell, described I2C cell is connected with central control unit, is used for providing
I2C standard communication interface.
The processor that general-purpose interface is provided based on MPC824x the most according to claim 1, its feature
Being, described RS232 electrical level transferring chip uses ADM3202ARN.
The processor that general-purpose interface is provided based on MPC824x the most according to claim 2, its feature
Being, described Ethernet electrical level transferring chip uses PHY device MS5153.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620353747.XU CN205656615U (en) | 2016-04-25 | 2016-04-25 | Treater based on MPC824x provides generic interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620353747.XU CN205656615U (en) | 2016-04-25 | 2016-04-25 | Treater based on MPC824x provides generic interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205656615U true CN205656615U (en) | 2016-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620353747.XU Expired - Fee Related CN205656615U (en) | 2016-04-25 | 2016-04-25 | Treater based on MPC824x provides generic interface |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107390626A (en) * | 2017-08-28 | 2017-11-24 | 上海斐讯数据通信技术有限公司 | RPDU communication cards and distribution system based on Power PC Processor |
| CN109257306A (en) * | 2018-10-22 | 2019-01-22 | 国网江苏省电力有限公司淮安供电分公司 | The embedded L3 Switching device of low-power consumption |
-
2016
- 2016-04-25 CN CN201620353747.XU patent/CN205656615U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107390626A (en) * | 2017-08-28 | 2017-11-24 | 上海斐讯数据通信技术有限公司 | RPDU communication cards and distribution system based on Power PC Processor |
| CN109257306A (en) * | 2018-10-22 | 2019-01-22 | 国网江苏省电力有限公司淮安供电分公司 | The embedded L3 Switching device of low-power consumption |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161019 Termination date: 20210425 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |