參數(shù)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(shù)： 6/74頁
文件大?。?/td> 487K
代理商： MSM9225GA-2K
Semiconductor
MSM9225
14/73
(4) CAN write flag: CANA
This bit is used to indicate receive data write status to the message memory. CANA is
"1" while CAN is writing receive data to the message memory.
This is a read-only flag.
(5) Transmission flag: TxF
This bit is used to indicate transmission operation status.
When TxF is "0", CAN is in transmission operation stop status.
When TxF is "1", CAN is in transmission operation status. TxF becomes "0" when
transmission completes.
This is a read-only flag.
(6) Receive flag: RxF
This bit is used to indicate receive operation status.
When RxF is "0", CAN is in receive operation stop status.
When RxF is "1", CAN is in receive operation status. RxF becomes "0" when receiving
completes.
This is a read-only flag.
2. CAN interrupt register (CANI: 0Fhex)
This register controls CAN interrupts.
The bit configuration is as follows:
(1) Transmission interrupt output enable: EINTT
This bit is used to output transmission interrupt signal INTT from interrupt pin INT
when transmission completes.
When EINTT is "0", a transmission interrupt signal is not output from the interrupt pin.
When EINTT is "1", a transmission interrupt signal is output from the interrupt pin.
At reset, EINTT is set to "0".
(2) Receive interrupt output enable: EINTR
This bit is used to output receive interrupt signal INTR from interrupt pin INT when
reception completes.
When EINTR is "0", a receive interrupt signal is not output from the interrupt pin.
When EINTR is "1", a receive interrupt signal is output from the interrupt pin.
At reset, EINTR is set to "0".
76543210
Address MSB
0Fh
LSB
EINTT
: Transmission interrupt output enable
EINTR : Receive interrupt output enable
EINTE : Error interrupt output enable
Not used
ITF
: Transmission interrupt request flag
IRF
: Receive interrupt request flag
IEF
: Error interrupt request flag
MEINT : Master interrupt control enable
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