Atmel SAM9X25, Manual

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SAM9X25
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SAM9X25
41.9 Controller Area Network (CAN) User Interface
2. Mailbox number ranges from 0 to 7.
Table 41-5. Register Mapping
Offset Register Name Access Reset
0x0000 Mode Register CAN_MR Read-write 0x0
0x0004 Interrupt Enable Register CAN_IER Write-only -
0x0008 Interrupt Disable Register CAN_IDR Write-only -
0x000C Interrupt Mask Register CAN_IMR Read-only 0x0
0x0010 Status Register CAN_SR Read-only 0x0
0x0014 Baudrate Register CAN_BR Read-write 0x0
0x0018 Timer Register CAN_TIM Read-only 0x0
0x001C Timestamp Register CAN_TIMESTP Read-only 0x0
0x0020 Error Counter Register CAN_ECR Read-only 0x0
0x0024 Transfer Command Register CAN_TCR Write-only -
0x0028 Abort Command Register CAN_ACR Write-only -
0x002C - 0x01FC Reserved – – –
mb_num * 0x20 + 0x00 Mailbox Mode Register
(2)
CAN_MMR Read-write 0x0
mb_num * 0x20 + 0x04 Mailbox Acceptance Mask Register CAN_MAM Read-write 0x0
mb_num * 0x20 + 0x08 Mailbox ID Register CAN_MID Read-write 0x0
mb_num * 0x20 + 0x0C Mailbox Family ID Register CAN_MFID Read-only 0x0
mb_num * 0x20 + 0x10 Mailbox Status Register CAN_MSR Read-only 0x0
mb_num * 0x20 + 0x14 Mailbox Data Low Register CAN_MDL Read-write 0x0
mb_num * 0x20 + 0x18 Mailbox Data High Register CAN_MDH Read-write 0x0
mb_num * 0x20 + 0x1C Mailbox Control Register CAN_MCR Write-only -