Cypress EZ-USB FX3 User Manual

EZ-USB FX3 Technical Reference Manual, Document Number: 001-76074 Rev. *F 649
SDMMC_STATUS
0xFC
10.26.20 SDMMC_STATUS
SDMMC Status Register
Reflects the current status of the SIB state machines. There are two copies of this register corresponding to the two storage
ports. The address of each register is calculated as 0xe002003C + (port * 0x0400).
31 CRC16_EVEN_ERROR Indicates that CRC error was encountered on even bytes of data transfer. This bit may be interpreted
in DDR mode data transfer only.
This bit will be cleared when CRC16_ERROR is cleared.
30 CRC16_ODD_ERROR Indicates that CRC error was encountered on odd bytes of data transfer. This bit may be interpreted
in DDR mode data transfer only.
This bit will be cleared when CRC16_ERROR is cleared.
28 DATA_SM_BUSY 1: Data state machine is busy.
0: Data state machine is idle.
27 COMMAND_SM_BUSY 1: Command state machine is busy.
0: Command state machine is idle.
26:24 CRCFC 3-bit CRC response received from the card following a data write.
continued in next page
SDMMC_STATUS
SDMMC Status
0xE002003C
b31 b30 b29 b28 b27 b26 b25 b24
CRC16_EVEN_ER
ROR
CRC16_ODD_ER
ROR
DATA_SM_BUSY
COMMAND_SM_
BUSY
CRCFC[2:0]
R/W R/W R/W R/W R/W R/W R/W
RR
RRRRR
00
00000
b23 b22 b21 b20 b19 b18 b17 b16
RD_END_DATA_
ERROR
DAT0_STAT DLL_LOCKED
R/W R/W R/W
RRR
000
b15 b14 b13 b12 b11 b10 b9 b8
DLL_LOST_LOC
K
BOOT_ACK CMD_COMP FIFO_U_DET FIFO_O_DET DAT3_STAT CARD_DETECT SDIO_INTR
R/W R/W R/W R/W R/W R/W R/W R/W
RRRRRRRR
10000000
b7 b6 b5 b4 b3 b2 b1 b0
CRC16_ERROR
RD_DATA_TIMEO
UT
BLOCKS_RECEIV
ED
BLOCK_COMP CRC7_ERROR RESPTIMEOUT RCVDRES CMDSENT
R/W R/W R/W R/W R/W R/W R/W R/W
RRRRRRRR
00000000
Bit Name Description

Cypress EZ-USB FX3 Specifications

General

Brand	Cypress
Model	EZ-USB FX3
Category	Controller
Language	English