Product Info

Automotive Module Series
AG521R-NA QuecOpen Hardware Design
AG521R-NA_QuecOpen_Hardware_Design 30 / 104
SDC1_CMD
48
IO
SDIO command
SDC1_DATA_4
53
IO
SDIO data bit 4
V
OL
max = 0.45 V
V
OH
min = 1.35 V
V
IL
min = -0.3 V
V
IL
max = 0.63 V
V
IH
min = 1.17 V
V
IH
max = 2.1 V
1.8 V power domain
Can be configured to
GPIOs.
If unused, keep them
open.
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
V
OL
max = 0.45 V
V
OH
min = 1.4 V
1.8 V power domain
for eMMC
applications.
If unused, keep it
open.
EMMC_RST
54
DO
eMMC reset
V
OL
max = 0.45 V
V
OH
min = 1.35 V
1.8 V power domain.
If unused, keep it
open.
EMMC_PWR_E
N
45
DO
eMMC power supply
enable control
V
OL
max = 0.45 V
V
OH
min = 1.35 V
1.8 V power domain.
If unused, keep it
open.
SPI Interfaces
Pin Name
Pin No.
I/O
Description
DC
Characteristics
Comment
SPI1_CLK
216
DO
SPI1 clock
V
OL
max = 0.45 V
V
OH
min = 1.35 V
1.8 V power domain.
If unused, keep them
open.
Can be configured
into GPIOs.
SPI1_CS
213
DO
SPI1 chip select
V
OL
max = 0.45 V
V
OH
min = 1.35 V
SPI1_MISO
219
DI
SPI1 master-in
salve-out
V
IL
min = -0.3 V
V
IL
max = 0.63 V
V
IH
min = 1.17 V
V
IH
max = 2.1 V
SPI1_MOSI
210
DO
SPI1 master-out
slave-in
V
OL
max = 0.45 V
V
OH
min = 1.35 V
ADC Interfaces
Pin Name
Pin No.
I/O
Description
DC
Characteristics
Comment
ADC0
247
AI
General-purpose ADC
interface
Voltage Range:
0–1.875 V
If unused, keep it
open.
ADC1
245
AI
General-purpose ADC
interface
Voltage Range:
0–1.875 V
If unused, keep it
open.
Other Interface Pins