upd70f3422gj-gae-qs-ax Renesas Electronics Corporation., upd70f3422gj-gae-qs-ax Datasheet - Page 687
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upd70f3422gj-gae-qs-ax
Manufacturer Part Number
upd70f3422gj-gae-qs-ax
Description
32-bit Single-chip Microcontroller
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD70F3422GJ-GAE-QS-AX.pdf
(930 pages)
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CAN Controller (CAN)
LEC2
0
0
0
0
1
1
1
1
After reset: 00H
CnLEC
LEC1
0
0
1
1
0
0
1
1
Note
(7)
LEC0
7
0
CnLEC - CANn module last error information register
The CnLEC register provides the error information of the CAN protocol.
1.
2.
Preliminary User’s Manual U17566EE1V2UM00
R/W
0
1
0
1
0
1
0
1
The contents of the CnLEC register are not cleared when the CAN module
changes from an operation mode to the initialization mode.
If an attempt is made to write a value other than 00H to the CnLEC register
by software, the access is ignored.
Last CAN protocol error information
No error
Stuff error
Form error
ACK error
Bit error. (The CAN module tried to transmit a recessive-level bit as part of a
transmit message (except the arbitration field), but the value on the CAN bus
is a dominant-level bit.)
Bit error. (The CAN module tried to transmit a dominant-level bit as part of a
transmit message, ACK bit, error frame, or overload frame, but the value on
the CAN bus is a recessive-level bit.)
CRC error
Undefined
Address: CnLEC <CnRBaseAddr> + 052
6
0
5
0
4
0
3
0
H
LEC2
2
LEC1
1
Chapter 19
LEC0
0
687
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