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RGMII_RX_3
17
RGMII_CK_RX
19
RGMII_TX_0
20
RGMII_CTL_TX 21
RGMII_TX_1
22
RGMII_TX_2
23
RGMII_CK_TX
24
RGMII_TX_3
25
RGMII_PWR_
27
EN
RGMII_PWR_IN 28
RGMII_INT
29
RGMII_RST
31
SDIO Interface (for eMMC by default)
Pin Name
Pin No.
SDIO_VDD
60
SDC1_DATA_0
49
SDC1_DATA_1
50
SDC1_DATA_2
51
SDC1_DATA_3
52
AG521R-NA_QuecOpen_Hardware_Design
RGMII receive data
DI
bit 3
DI
RGMII receive clock
RGMII transmit data
DO
bit 0
RGMII transmit
DO
control
RGMII transmit data
DO
bit 1
RGMII transmit data
DO
bit 2
DO
RGMII transmit clock
RGMII transmit data
DO
bit 3
Enable external LDO
DO
to supply power to
RGMII_PWR_IN
Power input for
PI
internal RGMII
circuit
RGMII PHY interrupt
DI
output
Reset output for
DO
RGMII PHY
I/O
Description
PI
SDIO power supply
IO
SDIO data bit 0
IO
SDIO data bit 1
IO
SDIO data bit 2
IO
SDIO data bit 3
Automotive Module Series
AG521R-NA QuecOpen Hardware Design
1.8 V power domain.
V
max = 0.45 V
OL
If unused, keep it
V
min = 1.35 V
OH
open.
1.8/2.5 V power
supply input.
If RGMII is not be
used, connect it to
VDD_EXT.
V
min = -0.3 V
IL
V
max = 0.63 V
IL
1.8 V power domain.
V
min = 1.17 V
IH
If unused, keep them
V
max = 2.1 V
IH
open.
V
max = 0.45 V
OL
V
min = 1.35 V
OH
DC
Comment
Characteristics
connect it to
VDD_EXT.
V
max = 0.45 V
OL
1.8 V power domain
V
min = 1.4 V
OH
for eMMC
V
min = -0.3 V
IL
applications.
V
max = 0.58 V
IL
If unused, keep it
V
min = 1.27 V
IH
open.
V
max = 2.0 V
IH
29 / 104
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