8 mmc_blklen register (mmc_blklen), 9 mmc_nob register (mmc_nob), Mmc_blklen bit definitions -29 – Intel PXA255 User Manual

Page 531: Mmc_nob bit definitions -29

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Intel® PXA255 Processor Developer’s Manual

15-29

MultiMediaCard Controller

15.5.8

MMC_BLKLEN Register (MMC_BLKLEN)

MMC_BLKLEN, shown in

Table 15-12

, specifies the number of bytes in a block of data.

This is a read/write register. Ignore reads from reserved bits. Write zeros to reserved bits.

15.5.9

MMC_NOB Register (MMC_NOB)

In block mode, MMC_NOB, shown in

Table 15-13

, specifies the number of blocks.

This is a read/write register. Ignore reads from reserved bits. Write zeros to reserved bits.

Table 15-12. MMC_BLKLEN Bit Definitions

Physical Address

0x4110_001c

MMC_BLKLEN Register

MultiMediaCard Controller

Bit

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9

8

7

6

5

4

3

2

1

0

reserved

BLK_LEN

Reset

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

Bits

Name

Description

31:10

reserved

9:0

BLK_LEN

Number of bytes in the block.

Table 15-13. MMC_NOB Bit Definitions

Physical Address

0x4110_0020

MMC_NOB Register

MultiMediaCard Controller

Bit

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9

8

7

6

5

4

3

2

1

0

reserved

MMC_NOB

Reset

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

Bits

Name

Description

31:16

reserved

15:0

MMC_NOB

Number of blocks for a multiple block transfer

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