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Registers
4.9MMC Number of Blocks Register (MMCNBLK)
The MMC number of blocks register (MMCNBLK) specifies the number of blocks for a
The MMC number of blocks register (MMCNBLK) is shown in Figure 26 and described in Table 14.
| Figure 26. MMC Number of Blocks Register (MMCNBLK) |
31 | 16 |
| Reserved |
| |
15 | 0 |
NBLK
LEGEND: R/W = Read/Write; R = Read only;
Table 14. MMC Number of Blocks Register (MMCNBLK) Field Descriptions
Bit | Field | Value | Description |
Reserved | 0 | Reserved | |
NBLK | Number of blocks. This field is used to set the total number of blocks to be transferred. | ||
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| 0 | Infinite number of blocks. The MMC controller reads/writes blocks of data until a |
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| STOP_TRANSMISSION command is written to the MMC command register (MMCCMD). |
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| n blocks. The MMC controller reads/writes only n blocks of data, even if the | |
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| STOP_TRANSMISSION command has not been written to the MMC command register |
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| (MMCCMD). |
4.10 MMC Number of Blocks Counter Register (MMCNBLC)
The MMC number of blocks counter register (MMCNBLC) is a
The MMC number of blocks counter register (MMCNBLC) is shown in Figure 27 and described in Table 15.
| Figure 27. MMC Number of Blocks Counter Register (MMCNBLC) |
31 | 16 |
| Reserved |
| |
15 | 0 |
| NBLC |
LEGEND: R/W = Read/Write; R = Read only;
Table 15. MMC Number of Blocks Counter Register (MMCNBLC) Field Descriptions
Bit | Field | Value | Description |
Reserved | 0 | Reserved | |
NBLC | Read this field to determine the number of blocks remaining to be transferred. |
50 | Multimedia Card (MMC)/Secure Digital (SD) Card Controller | SPRUE30B |
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