XC161 Datasheet, PDF (283/419 Pages) Infineon Technologies AG – 16-Bit Single-Chip Microcontroller with C166SV2 Core Volume 2 (of 2): Peripheral Units

Power Up
Initialization
XC161 Derivatives
Peripheral Units (Vol. 2 of 2)
TwinCAN Module
(all bits written with reset values)
MSGVAL = ‘01’
INTPND := ‘01’
RMTPND := ‘01’
TXRQ := ‘01’
NEWDAT := ‘01’
DIR := 0 (receive object)
MSGLST := ‘01’
TXIE := (application specific)
RXIE := (application specific)
Identifier := (application specific)
XTD := (application specific)
MSGVAL := ‘10’
Data Frame Processing
NEWDAT := ‘01’
Process Message Contents
NEWDAT = ‘10’
?
no
yes
Restart Process
Remote Frame Generation
‘01’ : Reset
‘10’ : Set
no
Remote Frame
Transmission
?
yes
TXRQ := ‘10’
MCA05494
Figure 21-24 CPU Handling of Message Objects with Direction = Receive
User’s Manual
TwinCAN_X1, V2.1
21-43
V2.2, 2004-01