參數資料
型號: MSM9225GA-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: 9 X 10 MM, 0.80 MM PITCH, PLASTIC, QFP-44
文件頁數: 25/74頁
文件大小: 487K
代理商: MSM9225GA-2K
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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