Pci Express Mini Card Connector Pin Description - SIM Tech SIMCom SIM7100-PCIE Hardware Design

3.2. PCI Express Mini Card Connector P
Table 5: PCI Express Mini Card Connector Pin Description
Pin name Pin number
Power supply
VCC 2,24,39,41,52
4,9,15,18,21,
GND 26,27,29,34,3
5,37,40,43,50
Reset
PERST# 22
USB 2.0
USB_DP 38
USB_DN 36
SIM card interface
USIM_VDD 8
USIM_DATA 10
USIM_CLK 12
USIM_RST 14
PCM interface
PCM_CLK 45
PCM_OUT 47
PCM_IN 49
PCM_SYNC 51
UART interface
UART_CTS 11
UART_RTS 13
UART_RXD 17
UART_TXD 19
UART_RI 44
UART_DTR 46
GPIO interface
GPIO9 30
GPIO6 32
SIM7100-PCIEA_Hardware_Design
2014-11-03
in Description
I/O Description
I 3.3 Power supply for module
Ground
I Reset input (Active low)
USB 2.0 high speed port for data transfer, voice
I/O
call, debug and FW download, etc.
1.8/3.0V Configurable LDO output, default
O
1.8V output, maximum output current is 30mA
I/O SIM data input/output
O SIM clock
O SIM reset
O PCM clock
O PCM data output
I PCM data input
PCM synchrony
O
I Clear to Send
O Request to send
I Receive Data
O Transmit Data
O Ring Indicator
I DTE get ready
I/O General input/output PIN.
I/O General input/output PIN.
Smart Machine Smart Decision
17
Comment
-
-
If this pin is unused,
keep open.
If this pin is unused,
keep open.
-
-
-
-
If these pins are
unused, keep open.
The PCM interface
can be used only on
SIM7100X-PCIE.
If these pins are
unused, keep open
If these pins are
unused, keep open