Infineon Technologies TC1796 User Manual

TC1796
Peripheral Units (Vol. 2 of 2)
Controller Area Network (MultiCAN) Controller
User’s Manual 22-95 V2.0, 2007-07
MultiCAN, V2.0
RXUPD 2rhReceive Updating
0
B
No receive update ongoing.
1
B
Message identifier, DLC, and data of the
message object are currently updated.
NEWDAT 3rhNew Data
0
B
No update of the message object n since the
last clearance of the flag.
1
B
Message object n has been updated.
NEWDAT is set by hardware after a received CAN
frame has been stored in message object n.
NEWDAT is cleared by hardware when a CAN
transmission of message object n has been started.
NEWDAT should be set by software after the new
transmit data has been stored in message object n to
prevent the automatic clearing of TXRQ at the end of
an ongoing transmission.
MSGLST 4rhMessage Lost
0
B
No CAN message is lost.
1
B
A CAN message is lost because NEWDAT has
become set again when it has already been set.
MSGVAL 5rhMessage Valid
0
B
Message object n is not valid.
1
B
Message object n is valid.
Only a valid message object takes part in CAN
transfers.
Field Bits Type Description

Infineon Technologies TC1796 Specifications

General

Brand	Infineon Technologies
Model	TC1796
Category	Controller
Language	English