Quectel UG96, Hardware Design

Page: 21 / 77

UMTS/HSPA Module Series
UG96 Hardware Design
UG96_Hardware_Design 20 / 76
USIM_
PRESENCE
42 DI
(U)SIM card
insertion detection
V
IL
max=0.35V
V
IH
min=1.3V
V
IH
max=1.85V
1.8V power domain.
External pull-up
resistor is required.
Main UART Interface
Pin Name Pin No. I/O Description DC Characteristics Comment
RI 39 DO Ring indicator
V
OL
max=0.25V
V
OH
min=1.55V
1.8V power domain.
If unused, keep it
open.
DCD 38 DO
Data carrier
detection
V
OL
max=0.25V
V
OH
min=1.55V
1.8V power domain.
If unused, keep it
open.
CTS 36 DO Clear to send
V
OL
max=0.25V
V
OH
min=1.55V
1.8V power domain.
If unused, keep it
open.
RTS 37 DI Request to send
V
IL
max=0.35V
V
IH
min=1.3V
V
IH
max=1.85V
1.8V power domain.
If unused, keep it
open.
DTR 30 DI
Data terminal ready.
Sleep mode control.
V
IL
max=0.35V
V
IH
min=1.3V
V
IH
max=1.85V
1.8V power domain.
If unused, keep it
open.
TXD 35 DO Transmit data
V
OL
max=0.25V
V
OH
min=1.55V
1.8V power domain.
If unused, keep it
open.
RXD 34 DI Receive data
V
IL
max=0.35V
V
IH
min=1.3V
V
IH
max=1.85V
1.8V power domain.
If unused, keep it
open.
RF Interface
Pin Name Pin No. I/O Description DC Characteristics Comment
RF_ANT 60 IO RF antenna 50
Ω impedance
PCM Interface
Pin Name Pin No. I/O Description DC Characteristics Comment
PCM_IN 6 DI PCM data input
V
IL
min=-0.3V
V
IL
max=0.35V
V
IH
min=1.3V
V
IH
max=1.85V
1.8V power domain.
If unused, keep it
open.
PCM_OUT 7 DO PCM data output
V
OL
max=0.25V
V
OH
min=1.55V
1.8V power domain.
If unused, keep it
open.