Mmc/Sd Block Length Register; Table 20-11 Mmc/Sd Block Length Register Description - Motorola DragonBall MC9328MX1 Reference Manual

20.6.7 MMC/SD Block Length Register

The MMC/SD Block Length Register defines how many bytes are in a block.
BLK_LEN
BIT 31 30 29
TYPE r r r
0 0 0
RESET
BIT 15 14 13
TYPE r r r
0 0 0
RESET
Table 20-11. MMC/SD Block Length Register Description
Name
Reserved Reserved—These bits are reserved and should read 0.
Bits 31–10
BLOCK LENGTH Block Length—Specifies the number of bytes in a block, and is
Bits 9–0 normally set to
value is specified in the card's CSD.
MOTOROLA Multimedia Card/Secure Digital Host Controller Module (MMC/SD)
MMC/SD Block Length Register
28 27 26 25
r r r r
0 0 0 0
12 11 10 9
r r r rw
0 0 0 0
Description
0x200 for MMC/SD module data transactions. The
24 23 22 21 20
r r r r r
0 0 0 0 0
0x0000
8 7 6 5 4
BLOCK LENGTH
rw rw rw rw rw
0 0 0 0 0
0x0000
Programming Model
Addr
0x00214018
19 18 17 16
r r r r
0 0 0 0
3 2 1 0
rw rw rw rw
0 0 0 0
Settings
0x000 = 0 byte
0x001 = 1 byte
...
0x3FF = 1023 bytes
20-23