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SM320F2812-HT
SGUS062A–JUNE 2009–REVISED APRIL 2010
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The CAN registers listed in Table 4-6 are used by the CPU to configure and control the CAN controller
and the message objects. eCAN control registers only support 32-bit read/write operations. Mailbox RAM
can be accessed as 16 bits or 32 bits. 32-bit accesses are aligned to an even boundary.
Table 4-6. CAN Registers Map
(1)
REGISTER NAME ADDRESS SIZE (×32) DESCRIPTION
CANME 0x00 6000 1 Mailbox enable
CANMD 0x00 6002 1 Mailbox direction
CANTRS 0x00 6004 1 Transmit request set
CANTRR 0x00 6006 1 Transmit request reset
CANTA 0x00 6008 1 Transmission acknowledge
CANAA 0x00 600A 1 Abort acknowledge
CANRMP 0x00 600C 1 Receive message pending
CANRML 0x00 600E 1 Receive message lost
CANRFP 0x00 6010 1 Remote frame pending
CANGAM 0x00 6012 1 Global acceptance mask
CANMC 0x00 6014 1 Master control
CANBTC 0x00 6016 1 Bit-timing configuration
CANES 0x00 6018 1 Error and status
CANTEC 0x00 601A 1 Transmit error counter
CANREC 0x00 601C 1 Receive error counter
CANGIF0 0x00 601E 1 Global interrupt flag 0
CANGIM 0x00 6020 1 Global interrupt mask
CANGIF1 0x00 6022 1 Global interrupt flag 1
CANMIM 0x00 6024 1 Mailbox interrupt mask
CANMIL 0x00 6026 1 Mailbox interrupt level
CANOPC 0x00 6028 1 Overwrite protection control
CANTIOC 0x00 602A 1 TX I/O control
CANRIOC 0x00 602C 1 RX I/O control
CANTSC 0x00 602E 1 Time stamp counter (Reserved in SCC mode)
CANTOC 0x00 6030 1 Time-out control (Reserved in SCC mode)
CANTOS 0x00 6032 1 Time-out status (Reserved in SCC mode)
(1) These registers are mapped to Peripheral Frame 1.
68 Peripherals Copyright © 2009–2010, Texas Instruments Incorporated
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