upd70f3422gj-gae-qs-ax Renesas Electronics Corporation., upd70f3422gj-gae-qs-ax Datasheet - Page 683

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

CAN Controller (CAN)
CnCTRL
After reset: 0000H R/W
Note
Note
CCERC
(6)
15
0
7
CnCTRL - CANn module control register
The CnCTRL register is used to control the operation mode of the CAN
module.
(a) Read
1.
2.
1.
2.
Preliminary User’s Manual U17566EE1V2UM00
RSTAT
TSTAT
The RSTAT bit is set to 1 under the following conditions (timing)
•
•
The RSTAT bit is cleared to 0 under the following conditions (timing)
•
•
The TSTAT bit is set to 1 under the following conditions (timing)
•
•
The TSTAT bit is cleared to 0 under the following conditions (timing)
•
•
•
•
0
1
0
1
AL
14
The SOF bit of a receive frame is detected
On occurrence of arbitration loss during a transmit frame
When a recessive level is detected at the second bit of the interframe
space
On transition to the initialization mode at the first bit of the interframe
space
The SOF bit of a transmit frame is detected
The first bit of an error flag is detected during a transmit frame
During transition to bus-off status
On occurrence of arbitration loss in transmit frame
On detection of recessive level at the second bit of the interframe space
On transition to the initialization mode at the first bit of the interframe
space
0
6
Address: CnCTRL <CnRBaseAddr> + 050
Reception status bit
Reception is stopped.
Reception is in progress.
Transmission status bit
Transmission is stopped.
Transmission is in progress.
VALID
13
0
5
PSMODE
12
0
4
1
PSMODE
11
0
3
0
OPMODE
H
10
0
2
2
OPMODE
RSTAT
9
1
1
Chapter 19
OPMODE
TSTAT
8
0
0
683