参数资料
型号: MSM9225
厂商: OKI SEMICONDUCTOR CO., LTD.
英文描述: CAN (Controller Area Network) Controller
中文描述: CAN(控制器局域网)控制器
文件页数: 25/74页
文件大小: 488K
代理商: MSM9225
Semiconductor
MSM9225
31/73
3. Receive Procedure
The receive procedure is indicated below.
Receive procedure
YES
(MSM9225)
Interrupt signal is generated when
reception is complete
INT: 1 0
Verify that IRF bit of CANI register
(0Fhex) is "1"
Set IRF bit of CANI register
(0Fhex) to "0"
Verify reception message number
with TMN register (9Ehex)
Set RCS bit of inside message
control register (X0hex) to "0"
Read reception data from
data memory
Inside message
control register's
RCS = 0?
CANC register's (0Ehex)
CANA = 0?
Receive complete
YES
NO
*) Check whether new reception data has
been written to the same message while data
was being read.
NO
*) Check whether reception data has been written
to another message while data was being read.
This step may be omitted and evaluation performed
based on the interrupt signal.
*) Verify that the interrupt is caused by the
reception completion.
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