EG91 miniPCIe UserManual

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miniPCIe EG91 V1.0 Copyright © 5GHUB.US
2.12 Pin Description
Pin #
Pin Name
Pin Direction
Pin Functionality
1
NC
2
VCC_3V3
I
3.0V~3.6V, typically
3.3V DC supply
3
NC
4
GND
Mini card ground
5
NC
6
NC
Not connected
7
RESERVED
Reserved
8
USIM_VDD
O
Power supply for the
(U)SIM card
9
GND
10
USIM_DATA
I
Data signal of (U)SIM
card
11
UART_RX
I
UART receive data
12
USIM_CLK
O
Clock signal of (U)SIM
card
13
UART_TX
O
UART transmit data
14
USIM_RST
O
Reset signal of (U)SIM
card
15
GND
16
RESERVED
17
RI
O
Ring indication
18
GND
19
RESERVED
20
W_DISABLE#
I
Airplane mode control
21
GND
22
PERST#
I
Fundamental reset
signal
23
UART_CTS
I
UART clear to send
24
RESERVED
25
UART_RTS
O
UART request to send
26
GND
27
GND
28
NC
29
GND
30
I2C_SCL
OD
I2C serial clock
31
DTR
DI
Sleep mode control
32
I2C_SDA
OD
OD I2C serial data
33
RESERVED
34
GND
35
GND
36
USB_DM
IO
USB differential data (-)
37
GND
38
USB_DP
IO
USB differential data (+)