TC1796
Peripheral Units (Vol. 2 of 2)
Controller Area Network (MultiCAN) Controller
User’s Manual 22-97 V2.0, 2007-07
MultiCAN, V2.0
TXRQ 8rhTransmit Request
0
B
No transmission of message object n is
requested.
1
B
Transmission of message object n on the CAN
bus is requested.
The transmit request becomes valid only if TXRQ,
TXEN0, TXEN1 and MSGVAL are set. TXRQ is set
by hardware if a matching Remote Frame has been
received correctly. TXRQ is cleared by hardware if
message object n has been transmitted successfully
and NEWDAT is not set again by software.
TXEN0 9rhTransmit Enable 0
0
B
Message object n is not enabled for frame
transmission.
1
B
Message object n is enabled for frame
transmission.
Message object n can be transmitted only if both bits,
TXEN0 and TXEN1, are set.
The user may clear TXEN0 in order to inhibit the
transmission of a message that is currently updated,
or to disable automatic response of Remote Frames.
TXEN1 10 rh Transmit Enable 1
0
B
Message object n is not enabled for frame
transmission.
1
B
Message object n is enabled for frame
transmission.
Message object n can be transmitted only if both bits,
TXEN0 and TXEN1, are set.
TXEN1 is used by the MultiCAN module for selecting
the active message object in the Transmit FIFOs.
Field Bits Type Description
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