5G Module Series
RM502Q-GL Hardware Design
RM502Q-GL_Hardware_Design 20 / 77
51
GND
GND
Ground
52
CLKREQ#
PCIE_CLKREQ_N
DO
PCIe clock request.
Active LOW.
Open drain
53
REFCLKn
PCIE_REFCLK_M
AI,
AO
PCIe reference clock (-)
54
PEWAKE#
PCIE_WAKE_N
DO
PCIe PME wake.
Active LOW.
Open drain
55
REFCLKp
PCIE_REFCLK_P
AI,
AO
PCIe reference clock (+)
56
NC
RFFE1_CLK
DO
RFFE1 serial interface clock
1.8 V power
domain
57
GND
GND
Ground
58
NC
RFFE1_DATA
DO
RFFE1 serial interface data
1.8 V power
domain
59
ANTCTL0
(O)(0/1.8 V)
LAA_TX_EN
DO
Notification from SDR to WL
when LTE transmitting
1.8 V power
domain
60
COEX3
WLAN_TX_EN
DI
Notification from WL to SDR
while transmitting
1.8 V power
domain
61
ANTCTL1
(O)(0/1.8 V)
RFFE0_DATA
DO
RFFE0 serial interface data
1.8 V power
domain
62
COEX2
COEX_RXD
DI
LTE/WLAN coexistence
receive data
1.8 V power
domain
63
ANTCTL2
(O)(0/1.8 V)
RFFE0_CLK
DO
RFFE0 serial interface clock
1.8 V power
domain
64
COEX1
COEX_TXD
DO
LTE/WLAN coexistence
transmit data
1.8 V power
domain
65
ANTCTL3
(O)(0/1.8 V)
RFFE_VIO_1V8
PO
Power supply for RFFE
1.8 V power
output
66
SIM_DETECT
USIM1_DET
DI
(U)SIM1 card insertion
detection
Internally pulled
up to 1.8 V
67
RESET#
(I)(0/1.8 V)
RESET_N
DI
Reset the module.
Active LOW.
Internally pulled
up to 1.8 V with
a 100k
Ω
resistor
68
SUSCLK(32
kHz)
AP2SDX_STATUS
DI
Status indication from AP
1.8 V power
domain
69
CONFIG_1
CONFIG_1
DO
Connected to GND internally
70
3.3 V
VCC
PI
Power supply
V
min
= 3.135 V
V
norm
= 3.7 V
V
max
= 4.4 V