SimCom SIM5300E Hardware Design

SIM5300E_Hardware_Design_V1.02
11
GPIO11
67
GPIO11
GPIO12
68
GPIO12
Serial port
RXD
10
DI
Receive data
TXD must be
prevented from
accessing excessive
voltage above 2V.
If these pins are
unused, keep
floating.
TXD
9
DO
Transmit data
RTS
8
DI
Request to send
CTS
7
DO
Clear to send
DCD
5
DO
Data carrier detect
RI
4
DO
Ring indicator
DTR
3
DI
Data terminal ready
Debug port
GPIO8/DBG_RX
D
49
DI
Default DBG_RXD
If these pins are
unused, keep
floating.
GPIO9/DBG_TX
D
50
DO
Default DBG_TXD
USB interface
VBUS
24
PI
VBUS (5V)
If these pins are
unused, keep
floating.
USB_DP
27
IO
USB 2.0 specification, 90 Ohms
differential
USB_DN
28
IO
USIM interface
USIM_VDD
30
PO
Voltage supply for USIM card. Support
1.8V or 3V USIM card
All signals of USIM
interface should be
protected against
ESD with a TVS
diode array.
USIM_DATA
31
IO
USIM data input/output
USIM_CLK
32
DO
USIM clock

SimCom SIM5300E Specifications

General

Brand	SimCom
Model	SIM5300E
Category	Control Unit
Language	English