XC161 Datasheet, PDF (279/419 Pages) Infineon Technologies AG – 16-Bit Single-Chip Microcontroller with C166SV2 Core Volume 2 (of 2): Peripheral Units

XC161 Derivatives
Peripheral Units (Vol. 2 of 2)
TwinCAN Module
Impact of the transfer state transitions on the bitfields in the message object in shared
gateway mode:
Table 21-3 Shared Gateway State Transitions (Part 1 of 2)
Bitfields
Transition 1:
Data Frame
Received,
GDFS = ‘1’
Transition 2:
Data Frame
Transmitted,
SRREN = ‘0’
Transition 3:
Data Frame
Transmitted,
SRREN = ‘1’
Transition 4:
Remote Frame
Received,
SRREN = ‘0’
Node
toggled to <d> toggled to <s> unchanged
unchanged
DIR
set
reset
unchanged
unchanged
DATA
received
unchanged
unchanged
unchanged
Identifier received
unchanged
unchanged
received if
RMM = ‘1’
DLC
received
unchanged
unchanged
received if
RMM = ‘1’
TXRQ
set
reset
reset
set
RMTPND reset
reset
reset
set
NEWDAT set
reset
reset
reset
INTPND set if RXIE = ‘10’ set if TXIE = ‘10’ set if TXIE = ‘10’ set if RXIE = ‘10’
Table 21-4 Shared Gateway State Transitions (Part 2 of 2)
Bitfields
Transition 5:
Remote Frame
Received,
SRREN = ‘1’
Transition 6:
Remote Frame
Transmitted
Transition 7:
Data Frame Received,
GDFS = ‘0’
Node
toggled to <s>
unchanged
toggled to <d>
DIR
reset
unchanged
set
DATA
unchanged
unchanged
received
Identifier received if RMM = ‘1’ unchanged
received
DLC
received if RMM = ‘1’ unchanged
received
TXRQ
set
reset
reset
RMTPND reset
reset
reset
NEWDAT unchanged
unchanged
set
INTPND set if RXIE = ‘10’
set if TXIE = ‘10’
set if RXIE = ‘10’
User’s Manual
TwinCAN_X1, V2.1
21-39
V2.2, 2004-01