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): 58/95頁
文件大?。?/td> 567K
代理商: MSM9225BGA-2K
MSM9225B User’s Manual
Chapter 3 Operational Description
3 – 6
Microcontroller (user) operation
MSM9225B operation
Start automatic response
Remote transmission complete
Set MMA bit of message
control register (x0hex) to 1
MMA = 1?
CAN
I
register’s (0Fhex)
ITF is 1?
YES
NO
YES
Read MMA bit
Set the message control register
(x0hex) according to Table 3-1
Remote frame received?
YES
NO
Write transmit data to message box
Reset MMA bit to 0
Data frame transmission
Transmission completion generates
interrupt
INT pin H to L
Reset ITF bit to 0
Reset R
CS bit of message
control register to 0
Transmit data
setting
Remote reception
and transmission
Remote
transmission
verification
Since the MMA bit cannot be set to 1 while
message boxes are being accessed from
the CAN side, read and verify its value.
Since the MMA bit cannot be
reset to 0 while
message boxes are being accessed from
the CAN side, read and verify its value.
Processing of other interrupt causes
MMA = 0?
YES
NO
Read MMA bit
Figure 3-5 Flowchart of Automatic Response after Remote Frame Reception
INTpin
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