Product Info

Automotive Module Series
AG521R-NA QuecOpen Hardware Design
AG521R-NA_QuecOpen_Hardware_Design 26 / 104
PCIe Interface
Pin Name
Pin No.
I/O
Description
DC
Characteristics
Comment
PCIE_REFCLK_
P
40
AO
PCIe reference clock
(+)
Require differential
impedance of 95 Ω.
If unused, keep them
open.
PCIE_REFCLK_
M
38
AO
PCIe reference clock
(-)
PCIE_TX_M
44
AO
PCIe transmit (-)
PCIE_TX_P
46
AO
PCIe transmit (+)
PCIE_RX_M
32
AI
PCIe receive (-)
PCIE_RX_P
34
AI
PCIe receive (+)
PCIE_CLKREQ
36
IO
PCIe clock request
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
If unused, keep them
open.
PCIE_RST
39
DO
PCIe reset
V
OL
max = 0.45 V
V
OH
min = 1.35 V
PCIE_WAKE
30
DI
PCIe wakeup
V
IL
min = -0.3 V
V
IL
max = 0.63 V
V
IH
min = 1.17 V
V
IH
max = 2.1 V
RGMII Interface
Pin Name
Pin No.
I/O
Description
DC
Characteristics
Comment
RGMII_MD_IO
10
IO
RGMII MDIO
management data
Power domain
determined by
RGMII_PWR_IN
If unused, keep them
open.
RGMII_MD_
CLK
11
DO
RGMII MDC
management clock
RGMII_RX_0
13
DI
RGMII receive data
bit 0
RGMII_RX_1
14
DI
RGMII receive data
bit 1
RGMII_CTL_RX
15
DI
RGMII receive
control
RGMII_RX_2
16
DI
RGMII receive data
bit 2