Table of Contents
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SDC1_CMD
48
SDC1_DATA_4
53
SDC1_DATA_5
55
SDC1_DATA_6
56
SDC1_DATA_7
58
SDC1_CLK
47
EMMC_RST
54
EMMC_PWR_E
45
N
SPI Interfaces
Pin Name
Pin No.
SPI1_CLK
216
SPI1_CS
213
SPI1_MISO
219
SPI1_MOSI
210
ADC Interfaces
Pin Name
Pin No.
ADC0
247
ADC1
245
Other Interface Pins
AG521R-NA_QuecOpen_Hardware_Design
IO
SDIO command
IO
SDIO data bit 4
IO
SDIO data bit 5
IO
SDIO data bit 6
IO
SDIO data bit 7
DO
SDIO clock
DO
eMMC reset
eMMC power supply
DO
enable control
I/O
Description
DO
SPI1 clock
DO
SPI1 chip select
SPI1 master-in
DI
salve-out
SPI1 master-out
DO
slave-in
I/O
Description
General-purpose ADC
AI
interface
General-purpose ADC
AI
interface
Automotive Module Series
AG521R-NA QuecOpen Hardware Design
V
max = 0.45 V
OL
V
min = 1.35 V
OH
1.8 V power domain
V
min = -0.3 V
IL
Can be configured to
V
max = 0.63 V
IL
GPIOs.
V
min = 1.17 V
IH
If unused, keep them
V
max = 2.1 V
IH
open.
1.8 V power domain
for eMMC
V
max = 0.45 V
OL
applications.
V
min = 1.4 V
OH
If unused, keep it
open.
1.8 V power domain.
V
max = 0.45 V
OL
If unused, keep it
V
min = 1.35 V
OH
open.
1.8 V power domain.
V
max = 0.45 V
OL
If unused, keep it
V
min = 1.35 V
OH
open.
DC
Comment
Characteristics
V
max = 0.45 V
OL
V
min = 1.35 V
OH
V
max = 0.45 V
OL
1.8 V power domain.
V
min = 1.35 V
OH
If unused, keep them
V
min = -0.3 V
IL
open.
V
max = 0.63 V
IL
Can be configured
V
min = 1.17 V
IH
into GPIOs.
V
max = 2.1 V
IH
V
max = 0.45 V
OL
V
min = 1.35 V
OH
DC
Comment
Characteristics
Voltage Range:
If unused, keep it
0–1.875 V
open.
Voltage Range:
If unused, keep it
0–1.875 V
open.
30 / 104
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