Public Version
MMC/SD/SDIO Register Manual
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Bits
Field Name
Description
Type
Reset
0x400:
1024 bytes block length
Table 24-48. Register Call Summary for Register MMCHS_BLK
MMC/SD/SDIO Integration
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:
MMC/SD/SDIO Functional Description
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:
MMC/SD/SDIO Use Cases and Tips
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MMC/SD/SDIO Register Manual
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[6] [7] [8] [9] [10] [11] [12]
Table 24-49. MMCHS_ARG
Address Offset
0x108
Physical Address
0x4809 C108
Instance
MMCHS1
0x480A D108
MMCHS3
0x480B 4108
MMCHS2
Description
Command argument Register
This register contains command argument specified as bit 39-8 of Command-Format
These registers must be initialized prior to sending the command itself to the card (write action into the
register MMCi.
register). Only exception is for a command index specifying stuff bits in
arguments, making a write unnecessary.
Type
RW
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
ARG
Bits
Field Name
Description
Type
Reset
31:0
ARG
Command argument bits [31:0]
(1)
RW
0x00000000
(1)
For CMD52, ARG has to be programmed with IO_RW_DIRECT[39:8]. See SDIO specification.
Table 24-50. Register Call Summary for Register MMCHS_ARG
MMC/SD/SDIO Functional Description
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MMC CE-ATA Command Completion Disable Management
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MMC/SD/SDIO Use Cases and Tips
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:
[1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18]
MMC/SD/SDIO Register Manual
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3436
MMC/SD/SDIO Card Interface
SWPU177N – December 2009 – Revised November 2010
Copyright © 2009–2010, Texas Instruments Incorporated