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| 型號(hào)： | 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)： | 26/95頁 |
| 文件大?。?/td> | 567K |
| 代理商： | MSM9225BGA-2K |
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MSM9225B User’s Manual
Chapter 2 Register Descriptions
2 – 19
(2) Search for the transmit identifier: TIRS
When this bit is set, the identifiers are scanned starting from the message box 0 up to last message box
specified by NMES, the messages with the transmission request bit TRQ set to “1” are detected, and the
transmission is started from the one with the highest priority. TIRS will be set to “0” when all the
messages with the transmission request TRQ set to “1” have been transmitted, or when no message box
with TRQ being “1” is detected as a result of the search.
Writing a “0” to TIRS when it has already been set to “1” will stop the transmission of the message after
the transmission which has already been started is completed.
At reset, TIRS is set to “0”.
* See Appendix C “Transmission Failure of MSM9225B” for transmission operation.
(3) CAN write flag: CANA
This bit is used to indicate receive data write status to the message box. CANA is “1” while CAN is
writing receive data to the message box.
This is a read-only flag.
(4) 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.
This is a read-only flag.
(5) 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.
This is a read-only flag.
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