Cypress EZ-USB FX3 User Manual

EZ-USB FX3 Technical Reference Manual, Document Number: 001-76074 Rev. *F 646
SDMMC_DATA_CFG
0xFC
10.26.18 SDMMC_DATA_CFG
SDMMC Data Configuration Register
Holds configuration parameters that affect SD/MMC data transfers. There are two copies of this register corresponding to the
two storage ports. The address of each register is calculated as 0xe0020034 + (port * 0x0400).
3 EXPBUSY 1: Expect BUSY state after each block of write data.
0: Do not expect BUSY after each block of write data.
2 EXPCRCR 1: Expect and check CRC response status after block of write data.
0: Do not expect CRC response after a block of write data.
1 CARD_BUSY_DET 1: Enable the SIB state machine to wait for busy before sending first block of data.
0: SIB state machine pushes 1st block of data without checking busy status.
0 RD_CRC_EN 1: Check CRC16 on incoming blocks of data.
0: Ignore CRC16 checking on incoming data.
SDMMC_DATA_CFG
SDMMC Data Configuration
0xE0020034
b31 b30 b29 b28 b27 b26 b25 b24
b23 b22 b21 b20 b19 b18 b17 b16
b15 b14 b13 b12 b11 b10 b9 b8
b7 b6 b5 b4 b3 b2 b1 b0
EXPBUSY EXPCRCR
CARD_BUSY_DE
T
RD_CRC_EN
RRRR
R/W R/W R/W R/W
1101
Bit Name Description

Cypress EZ-USB FX3 Specifications

General

Brand	Cypress
Model	EZ-USB FX3
Category	Controller
Language	English