Product Info

Automotive Module Series
AG521R-NA QuecOpen Hardware Design
AG521R-NA_QuecOpen_Hardware_Design 60 / 104
The value of R1–R16 varies with the selection of PHY.
3.16. WLAN and BT Interfaces*
The module provides a PCIe interface for WLAN function and UART & PCM interfaces for BT function.
Table 23: Pin Definition of WLAN and BT Interfaces
Pin Name Pin No. I/O Description Comment
PCIe Interface
PCIE_REFCLK_P
40
AO
PCIe reference clock (+)
Require differential
impedance of 95 Ω.
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
DI
O
PCIe clock request
1.8 V power domain.
PCIE_RST
39
DO
PCIe reset
PCIE_WAKE
30
DI
PCIe wakeup
Coexistence Interface
COEX_UART_
RXD
67
DI
LTE&WLAN/BT
coexistence receive
1.8 V power domain.
COEX_UART_
TXD
69
DO
LTE&WLAN/BT
coexistence transmit
BT Interface
BT_UART_TXD
59
DO
BT UART transmit
1.8 V power domain.
Can be configured to
BT_UART_RXD
63
DI
BT UART receive
BT_UART_RTS
61
DI
BT UART request to send