Datasheet

V850ES/JG3-H, V850ES/JH3-H CHAPTER 20 CAN CONTROLLER
R01UH0042EJ0500 Rev.5.00 Page 965 of 1513
Aug 12, 2011
(2/2)
(b) Write
Clear ROVF Setting of ROVF bit
0 ROVF bit is not changed.
1 ROVF bit is cleared to 0.
(16) CAN0 module last out-pointer register (C0LOPT)
The C0LOPT register indicates the number of the message buffer to which a data frame or a remote frame was
transmitted last.
After reset: Undefined R Address: C0LOPT 03FEC062H, C1LOPT 03FEC662H
7 6 5 4 3 2 1 0
C0LOPT LOPT7 LOPT6 LOPT5 LOPT4 LOPT3 LOPT2 LOPT1 LOPT0
LOPT7 to LOPT0 Last out-pointer of transmit history list (LOPT)
0 to 31
When the C0LOPT register is read, the contents of the element indexed by the last out-pointer
(LOPT) of the receive history list are read. These contents indicate the number of the message
buffer to which a data frame or a remote frame was transmitted last.
Remark The value read from the C0LOPT register is undefined if a data frame or remote frame has never
been transmitted from a message buffer. If the C0TGPT.THPM bit is set to 1 after the CAN module
has changed from the initialization mode to an operation mode, therefore, the read value of the
C0LOPT register is undefined.