Automotive Module Series
AG525R-GL QuecOpen
Hardware Design
AG525R-GL_QuecOpen_Hardware_Design 58 / 104
The module works as a master device pertaining to I2C interface.
3.13. SDIO Interface
The module provides an SDIO interface. It is recommended to use the interface for eMMC application.
Table 19: Pin Definition of SDIO Interface
Pin Name
Pin No.
I/O
Description
Comment
SDIO_VDD
60
PI
SDIO power supply
Connect it to VDD_EXT.
SDC1_DATA_0
49
IO
SDIO data bit 0
1.8 V power domain for eMMC.
SDC1_DATA_1
50
IO
SDIO data bit 1
SDC1_DATA_2
51
IO
SDIO data bit 2
SDC1_DATA_3
52
IO
SDIO data bit 3
SDC1_CMD 48 IO SDIO
command
SDC1_DATA_4
53
IO
SDIO data bit 4
1.8 V power domain.
For eMMC configuration by default.
Can be configured to GPIO.
SDC1_DATA_5
55
IO
SDIO data bit 5
SDC1_DATA_6
56
IO
SDIO data bit 6
SDC1_DATA_7
58
IO
SDIO data bit 7
SDC1_CLK
47
DO
SDIO clock
1.8 V power domain for eMMC.
EMMC_RST 54 DO
eMMC
reset
1.8 V power domain.
EMMC_PWR_EN 45
DO
eMMC power supply
enable control
NOTE