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參數(shù)資料
| 型號： | MSM9225BGA-2K |
| 廠商： | OKI ELECTRIC INDUSTRY CO LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 2 CHANNEL(S), 1M bps, LOCAL AREA NETWORK CONTROLLER, PQFP44 |
| 封裝： | PLASTIC, QFP-44 |
| 文件頁數(shù)： | 78/95頁 |
| 文件大?。?/td> | 567K |
| 代理商： | MSM9225BGA-2K |
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MSM9225B User’s Manual
Chapter 1 Overview
1 – 1
Chapter 1
Overview
1.1
Overview
The MSM9225B is a microcontroller peripheral LSI which conforms to the CAN protocol for high-speed LANs in
automobiles.
1.2
Features
Conforms to CAN protocol specification (Bosch, V2.0 part B/Active)
Maximum of 1 Mbps bit rate
Communication method:
Transmission line is bi-directional, two-wire serial communication
NRZ (Non-Return to Zero) system using bit stuff function
Multi-master system
Broadcast system
Up to 16 message boxes can be used, and messages up to 8 bytes long can be transmitted or received for each
message box.
Number of received messages can be extended by group message function (up to 2 groups can be set)
Overwrite flag is provided
Priority control by identifier
2032 types in standard format, 2032
× 218 types in extended format
Microcontroller interface
Corresponding to both parallel and serial interface
Parallel interface: Separate address/data bus type (with address latch signal/no address latch signal) and
multiplexed address/data bus type
Serial interface:
Synchronous communication type
Three interrupt sources: transmission/receive/error
Error control:
Bit error/stuff error/CRC error/form error/acknowledgment error detection functions
Retransmission/error status monitoring function when error occurs
Bit error flag/stuff error flag/CRC error flag/form error flag/acknowledge error flag are provided
Communication control by remote data request function
Sleep/Stop mode function
Supply voltage: 5 V±10%
Operating temperature: –40 to +125°C
Package: 44-pin plastic QFP (QFP44-P-910-0.80-2K) (MSM9225BGA)
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