Intel 8XC196K Series User Manual page 318

Power Up
Initialization
Write/calculate message contents.
Update
Yes
TX_REQ := 1
Figure 12-25. Transmitting a Message — CPU Flow
CAN SERIAL COMMUNICATIONS CONTROLLER
(All bits undefined)
MSGVAL := 1
INT_PND := 0
TXIE := (Application specific)
RXIE := (Application specific)
NEWDAT := 0
RMTPND := 0
TX_REQ := 0
MSGLST := 0
DLC := (Application specific)
DIR := 1 (transmit)
XTD := (Application specific)
ID := (Application specific)
CPUUPD := 1
NEWDAT := 1
CPUUPD := 0
Want to send?
No
Update message?
Yes
A2596-01
12-39