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Chapter 18
AFCAN Controller
User’s Manual U16580EE3V1UD00
(8)
CnINFO - CANn module information register
The CnINFO register indicates the status of the CAN module.
After reset: 00H
R/W
Address: CnINFO <CnRBaseAddr> + 053
H
7
6
5
4
3
2
1
0
CnINFO
0
0
0
BOFF
TECS1
TECS0
RECS1
RECS0
BOFF
Bus-off state bit
0
Not bus-off state (transmit error counter
≤
255). (The value of the transmit counter is less than 256.)
1
Bus-off state (transmit error counter > 255). (The value of the transmit counter is 256 or more.)
TECS1
TECS0
Transmission error counter status bit
0
0
The value of the transmission error counter is less than that of the warning level (< 96).
0
1
The value of the transmission error counter is in the range of the warning level (96 to 127).
1
0
Undefined
1
1
The value of the transmission error counter is in the range of the error passive or bus-off
status (
≥
128).
RECS1
RECS0
Reception error counter status bit
0
0
The value of the reception error counter is less than that of the warning level (< 96).
0
1
The value of the reception error counter is in the range of the warning level (96 to 127).
1
0
Undefined
1
1
The value of the reception error counter is in the error passive range (
≥
128).
Содержание V850E/PH2
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