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15-28 Intel® PXA26x Processor Family Developer’s Manual
MultiMediaCard Controller
15.5.8 MMC_BLKLEN Register
The MMC_BLKLEN register specifies the number of bytes in a block of data.
15.5.9 MMC_NOB Register
In block mode, the MMC_NOB register specifies the number of blocks (see Table 15-14).
15.5.10 MMC_PRTBUF Register
The MMC_PRTBUF register is used when MMC_TXFIFO is partially written. The FIFOs swap
when either FIFO is full (32 bytes) or the MMC_PRTBUF register is set to a 1 (see Table 15-15 on
page 15-29).
Table 15-13. MMC_BLKLEN Register
Physical Address
4110_001c
MMC_BLKLEN Register MMC
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
BLOCK LENGTH:
Number of bytes in the block.
Table 15-14. MMC_NOB Register
Physical Address
4110_0020
MMC_NOB Register MMC
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
MCC BLOCK TRANSFER SIZE:
Number of blocks for a multiple block transfer