8 controller area network (can) user interface – Rainbow Electronics AT91CAP9S250A User Manual

Page 709

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709

6264A–CAP–21-May-07

AT91CAP9S500A/AT91CAP9S250A

39.8

Controller Area Network (CAN) User Interface

Table 39-4.

CAN Memory Map

Offset

Register

Name

Access Reset

State

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

-

0x0100 - 0x01FC

Reserved

0x0200

Mailbox 0 Mode Register

CAN_MMR0

Read/Write

0x0

0x0204

Mailbox 0 Acceptance Mask Register

CAN_MAM0

Read/Write

0x0

0x0208

Mailbox 0 ID Register

CAN_MID0

Read/Write

0x0

0x020C

Mailbox 0 Family ID Register

CAN_MFID0

Read-only

0x0

0x0210

Mailbox 0 Status Register

CAN_MSR0

Read-only

0x0

0x0214

Mailbox 0 Data Low Register

CAN_MDL0

Read/Write

0x0

0x0218

Mailbox 0 Data High Register

CAN_MDH0

Read/Write

0x0

0x021C

Mailbox 0 Control Register

CAN_MCR0

Write-only

-

0x0220

Mailbox 1 Mode Register

CAN_MMR1

Read/Write

0x0

0x0224

Mailbox 1 Acceptance Mask Register

CAN_MAM1

Read/Write

0x0

0x0228

Mailbox 1 ID register

CAN_MID1

Read/Write

0x0

0x022C

Mailbox 1 Family ID Register

CAN_MFID1

Read-only

0x0

0x0230

Mailbox 1 Status Register

CAN_MSR1

Read-only

0x0

0x0234

Mailbox 1 Data Low Register

CAN_MDL1

Read/Write

0x0

0x0238

Mailbox 1 Data High Register

CAN_MDH1

Read/Write

0x0

0x023C

Mailbox 1 Control Register

CAN_MCR1

Write-only

-

...

...

...

...

-

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