參數(shù)資料
型號(hào): 8XC196LX
英文描述: 8XC196Lx - 8XC196Lx Supplement to 8X196Kx. 8X196Jx. 87C196CA User's Manual
中文描述: 8XC196Lx - 8XC196Lx補(bǔ)編8X196Kx。 8X196Jx。 87C196CA用戶手冊(cè)
文件頁數(shù): 88/136頁
文件大?。?/td> 659K
代理商: 8XC196LX
8XC196LXSUPPLEMENT
8-22
2
MSG_TX
Message Transmit Interrupt
This bit signals the successful transmission of a message upon detecting
the EOD symbol.
0 = no action
1 = message transmitted
1
MSG_RX
Message Receive Interrupt
This bit signals the successful reception of a message upon detecting the
EOD symbol.
0 = no action
1 = message received
0
J1850BE
J1850 Bus Error Interrupt
This bit is set if one or more of the following conditions occur:
the calculated CRC for a received message does not equal C4H
an incomplete byte is received on the bus
an invalid bus symbol is detected on the bus
a transmission occurs and the feedback through the receiver is not
detected within 60 μs
J_STAT
Address:
Reset State:
1F53H
00H
The J1850 status (J_STAT) register provides the current status of the message transfer, the receive
and transmit buffers, and the four interrupt sources associated with the J1850 protocol. This byte
register can be directly addressed through
windowing
. You must write to this register before
transmitting each message. Reading this register clears all bits except BUS_STAT.
7
0
IFR_RCV
BUS_CONT
BUS_STAT
BRK_RCV
OVR_UNDR
MSG_TX
MSG_RX
J1850BE
Bit
Number
Bit
Mnemonic
Function
Figure 8-19. J1850 Status (J_STAT) Register (Continued)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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