Samsung S3C2416 User Manual page 466

HSMMC CONTROLLER
Name Bit
BLKSIZE [11:0]
20-20
Transfer Block Size
This register specifies the block size of data transfers for CMD17,
CMD18, CMD24, CMD25, and CMD53. Values ranging from 1 up to
the maximum buffer size can be set. In case of memory, it shall be set
up to 512 bytes. It can be accessed only if no transaction is executing
(i.e., after a transaction has stopped). Read operations during transfers
may return an invalid value, and write operations shall be ignored.
0200h = 512 Bytes
01FFh = 511 Bytes
...
0004h = 4 Bytes
0003h = 3 Bytes
0002h = 2 Bytes
0001h = 1 Byte
0000h = No data transfer
S3C2416X RISC MICROPROCESSOR
Description Initial Value
0