Maxim Integrated High-Speed Microcontroller Users Guide: DS80C390 Supplement - Manual (Page 73)

High-Speed Microcontroller User’s Guide: DS80C390 Supplement
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C1TMA0.3
Bit 3 Message Center 4, Message Transmitted
C1TMA0.2
Bit 2 Message Center 3, Message Transmitted
C1TMA0.1
Bit 1 Message Center 2, Message Transmitted
C1TMA0.0
Bit 0 Message Center 1, Message Transmitted
CAN 1 TRANSMIT MESSAGE ACKNOWLEDGEMENT REGISTER 1 (C1TMA1)
7 6 5 4 3 2 1 0
SFR DFh — — — — — — — —
R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0
R = Unrestricted Read, -n = Value after Reset
CAN 1 Transmit Message Acknowledgement Register 1. This register
indicates which of CAN 1 message centers 9-15 have successfully
transmitted a message since the last read of this register. A logic one in a
location indicates a message has been transmitted for that message center.
This register is automatically cleared to 00h when read. This register should
always be read in conjunction with the C1TMA0 register to ascertain the
status of all message centers.
Bit 7 Reserved
C1TMA1.6
Bit 6 Message Center 15, Message Transmitted
C1TMA1.5
Bit 5 Message Center 14, Message Transmitted
C1TMA1.4
Bit 4 Message Center 13, Message Transmitted
C1TMA1.3
Bit 3 Message Center 12, Message Transmitted
C1TMA1.2
Bit 2 Message Center 11, Message Transmitted
C1TMA1.1
Bit 1 Message Center 10, Message Transmitted
C1TMA1.0
Bit 0 Message Center 9, Message Transmitted