Maxim Integrated High-Speed Microcontroller Users Guide: DS80C390 Supplement - Manual (Page 32)

High-Speed Microcontroller User’s Guide: DS80C390 Supplement
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CAN 0 TRANSMIT MESSAGE ACKNOWLEDGEMENT REGISTER 0 (C0TMA0)
7 6 5 4 3 2 1 0
SFR 9Eh
R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0
R = Unrestricted Read, -n = Value after Reset
CAN 0 Transmit Message Acknowledgement Register 0. This register
indicates which of CAN 0 message centers 1-8 have successfully transmitted
a message since the last read of this register. A logic one in a location
indicates a message has been transmitted from that message center. This
register is automatically cleared to 00h when read. This register should
always be read in conjunction with the C0TMA1 register to ascertain the
status of all message centers.
C0TMA0.7
Bit 7 Message Center 8, Message Transmitted
C0TMA0.6
Bit 6 Message Center 7, Message Transmitted
C0TMA0.5
Bit 5 Message Center 6, Message Transmitted
C0TMA0.4
Bit 4 Message Center 5, Message Transmitted
C0TMA0.3
Bit 3 Message Center 4, Message Transmitted
C0TMA0.2
Bit 2 Message Center 3, Message Transmitted
C0TMA0.1
Bit 1 Message Center 2, Message Transmitted
C0TMA0.0
Bit 0 Message Center 1, Message Transmitted