10 multimedia card interface (mci) user interface – Rainbow Electronics AT91CAP9S250A User Manual

Page 774

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774

6264A–CAP–21-May-07

AT91CAP9S500A/AT91CAP9S250A

41.10 MultiMedia Card Interface (MCI) User Interface

Note:

1. The response register can be read by N accesses at the same MCI_RSPR or at consecutive addresses (0x20 to 0x2C).

N depends on the size of the response.

Table 41-6.

Register Mapping

Offset

Register Register

Name

Read/Write

Reset

0x00

Control Register

MCI_CR

Write

0x04

Mode Register

MCI_MR

Read/write

0x0

0x08

Data Timeout Register

MCI_DTOR

Read/write

0x0

0x0C

SD/SDIO Card Register

MCI_SDCR

Read/write

0x0

0x10

Argument Register

MCI_ARGR

Read/write

0x0

0x14

Command Register

MCI_CMDR

Write

0x18

Block Register

MCI_BLKR

Read/write

0x0

0x1C

Reserved

0x20

Response Register

(1)

MCI_RSPR

Read

0x0

0x24

Response Register

(1)

MCI_RSPR

Read

0x0

0x28

Response Register

(1)

MCI_RSPR

Read

0x0

0x2C

Response Register

(1)

MCI_RSPR

Read

0x0

0x30

Receive Data Register

MCI_RDR

Read

0x0

0x34

Transmit Data Register

MCI_TDR

Write

0x38 - 0x3C

Reserved

0x40

Status Register

MCI_SR

Read

0xC0E5

0x44

Interrupt Enable Register

MCI_IER

Write

0x48

Interrupt Disable Register

MCI_IDR

Write

0x4C

Interrupt Mask Register

MCI_IMR

Read

0x0

0x50-0xFC

Reserved

0x100-0x124

Reserved for the PDC

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