Cypress EZ-USB FX3 User Manual

EZ-USB FX3 Technical Reference Manual, Document Number: 001-76074 Rev. *F 643
SDMMC_BLOCK_LEN
0xFC
10.26.16 SDMMC_BLOCK_LEN
SDMMC Block Length Register
This register holds the block length for transfer. The CRC is computed on this block length. It is expected that the block length
used in SET_BLOCKLEN command matches this block length. There are two copies of this register corresponding to the two
storage ports. The address of each register is calculated as 0xe002002C + (port * 0x0400).
31:0 DATABLKS Data block size in bytes. LSB is ignored for DDR mode of operation, because block length needs to
be even.
SDMMC_BLOCK_LEN
SDMMC Block Length
0xE002002C
b31 b30 b29 b28 b27 b26 b25 b24
DATABLKS[31:24]
RRRRRRRR
R/W R/W R/W R/W R/W R/W R/W R/W
00000000
b23 b22 b21 b20 b19 b18 b17 b16
DATABLKS[23:16]
RRRRRRRR
R/W R/W R/W R/W R/W R/W R/W R/W
00000000
b15 b14 b13 b12 b11 b10 b9 b8
DATABLKS[15:8]
RRRRRRRR
R/W R/W R/W R/W R/W R/W R/W R/W
00000010
b7 b6 b5 b4 b3 b2 b1 b0
DATABLKS[7:0]
RRRRRRRR
R/W R/W R/W R/W R/W R/W R/W R/W
00000000
Bit Name Description

Cypress EZ-USB FX3 Specifications

General

Brand	Cypress
Model	EZ-USB FX3
Category	Controller
Language	English