upd70f3422gj-gae-qs-ax Renesas Electronics Corporation., upd70f3422gj-gae-qs-ax Datasheet - Page 688

• Manufacturer Part Number: upd70f3422gj-gae-qs-ax
• Description: 32-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

Chapter 19
688
After reset: 00H
CnINFO
(8)
7
0
CnINFO - CANn module information register
The CnINFO register indicates the status of the CAN module.
Preliminary User’s Manual U17566EE1V2UM00
R
RECS1
TECS1
BOFF
0
1
0
0
1
1
0
0
1
1
Address: CnINFO <CnRBaseAddr> + 053
6
0
Bus-off status bit
Not bus-off status (transmit error counter ≤ 255). (The value of the transmit
counter is less than 256.)
Bus-off status (transmit error counter > 255). (The value of the transmit
counter is 256 or more.)
RECS0
TECS0
0
1
0
1
0
1
0
1
Transmission error counter status bit
The value of the transmission error counter is less than that of
the warning level (< 96).
The value of the transmission error counter is in the range of the
warning level (96 to 127).
Undefined
The value of the transmission error counter is in the range of the
error passive or bus-off status (≥ 128).
Reception error counter status bit
The value of the reception error counter is less than that of the
warning level (< 96).
The value of the reception error counter is in the range of the
warning level (96 to 127).
Undefined
The value of the reception error counter is in the error passive
range (≥ 128).
5
0
BOFF
4
TECS1
3
H
TECS0
2
CAN Controller (CAN)
RECS1
1
RECS0
0