Atmel Evaluation Kit AT91SAM9X25-EK AT91SAM9X25-EK Hoja De Datos
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Los códigos de productos
AT91SAM9X25-EK
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
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
-