Intel PXA26X User Manual Page 534

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15-22 Intel® PXA26x Processor Family Developer’s Manual
MultiMediaCard Controller
15.5.2 MMC_STAT Register
The MMC_STAT Register is the status register for the MMC controller. The register is cleared at
the beginning of every command sequence.
Table 15-6. MMC_STRPCL Register
Physical Address
4110_0000
MMC_STRPCL 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
STRPCL
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
31:2 Reserved
1:0 STRPCL
START/STOP THE MMC CLOCK:
00 – Do nothing
01 – Stop the MMC clock
10 – Start the MMC clock
11 – Reserved
Table 15-7. MMC_STAT Register (Sheet 1 of 2)
Physical Address
4110_0004
MMC_STAT 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
END_CMD_RES
PRG_DONE
DATA_TRAN_DONE
Reserved
CLK_EN
RECV_FIFO_FULL
XMIT_FIFO_EMPTY
RES_CRC_ERR
SPI_READ_ERROR_TOKEN
CRC_READ_ERROR
CRC_WRITE_ERROR
TIME_OUT_RESPONSE
READ_TIME_OUT
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 1 0 0 0 0 0 0
Bits Name Description
31:14 Reserved
13
END_CMD_R
ES
END COMMAND RESPONSE:
0 – Command and response sequence has not completed
1 – Command and response sequence has completed
12 PRG_DONE
PROGRAM DONE:
0 – Card has not finished programming and is busy
1 – Card has finished programming and is not busy
11
DATA_TRAN_
DONE
DATA TRANSMISSION DONE:
0 – Data transmission to card has not completed
1 – Data transmission to card has completed
10:9 Reserved
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