Datasheet

923
SAM9X25 [DATASHEET]
11054E–ATARM–10-Mar-2014
41.9 Controller Area Network (CAN) User Interface
Note: 1. Mailbox number ranges from 0 to 7.
Table 41-6. 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 - 0x00E0 Reserved – – –
0x00E4 Write Protect Mode Register CAN_WPMR Read-write 0x0
0x00E8 Write Protect Status Register CAN_WPSR Read-only 0x0
0x00EC - 0x01FC Reserved – – –
0x0200 + MB * 0x20 + 0x00 Mailbox Mode Register
(1)
CAN_MMR Read-write 0x0
0x0200 + MB * 0x20 + 0x04 Mailbox Acceptance Mask Register CAN_MAM Read-write 0x0
0x0200 + MB * 0x20 + 0x08 Mailbox ID Register CAN_MID Read-write 0x0
0x0200 + MB * 0x20 + 0x0C Mailbox Family ID Register CAN_MFID Read-only 0x0
0x0200 + MB * 0x20 + 0x10 Mailbox Status Register CAN_MSR Read-only 0x0
0x0200 + MB * 0x20 + 0x14 Mailbox Data Low Register CAN_MDL Read-write 0x0
0x0200 + MB * 0x20 + 0x18 Mailbox Data High Register CAN_MDH Read-write 0x0
0x0200 + MB * 0x20 + 0x1C Mailbox Control Register CAN_MCR Write-only -