RL78/D1A User's Manual: Hardware - Renesas

Under development
Preliminary document
Specifications in this document are tentative and subject to change.
RL78/D1A CHAPTER 14 CAN CONTROLLER
(7) CAN module control register (C0CTRL, C1CTRL)
The C0CTRL, C1CTRL register is used to control the operation mode of the CAN module.
(a) Read
(b) Write
(a) Read
Figure 14-31. Format of CAN Module Control Register (C0CTRL, C1CTRL) (1/4)
Address: F05E0H (C0CTRL), F0390H (C1CTRL) After reset: 0000H R/W
C0CTRL,
C1CTRL
C0CTRL,
C1CTRL
15 14 13 12 11 10 9 8
0 0 0 0 0 0 RSTAT TSTAT
7 6 5 4 3 2 1 0
CCERC AL VALID PSMODE1 PSMODE0 OPMODE2 OPMODE1 OPMODE0
15 14 13 12 11 10 9 8
Set
CCERC
Set
AL
0 Set Set Set Set Set
PSMODE1 PSMODE0 OPMODE2 OPMODE1 OPMODE0
7 6 5 4 3 2 1 0
Clear
CCERC
Clear
AL
Clear
VALID
RSTAT Reception Status Bit
0 Reception is stopped.
1 Reception is in progress.
Clear Clear Clear Clear Clear
PSMODE1 PSMODE0 OPMODE2 OPMODE1 OPMODE0
Remark - The RSTAT bit is set to 1 under the following conditions (timing).
- The SOF bit of a receive frame is detected
- On occurrence of arbitration loss during a transmit frame
- The RSTAT bit is cleared to 0 under the following conditions (timing)
- 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
R01UH0317EJ0004 Rev. 0.04 852
Feb. 22, 2013