8 mmc_blklen register (mmc_blklen), 9 mmc_nob register (mmc_nob) – Intel PXA255 User Manual
Page 533
Intel® PXA255 Processor Developer’s Manual
15-29
MultiMediaCard Controller
15.5.8
MMC_BLKLEN Register (MMC_BLKLEN)
MMC_BLKLEN, shown in
, 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
, 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