HSPA/UMTS/GSM/GPRS Module Series
UG96&UG95&M95 R2.0 Compatible Design
UG96&UG95&M95 R2.0_Compatible_Design
16 / 42
38
DCD
DO
Data carrier
detection.
1.8V power
domain.
25
DCD/
SIM2_RST
2)
DO
Data carrier
detection.
(U)SIM2 card reset
signal.
2.8V power
domain.
39
RI
DO
Ring indicator.
1.8V power
domain.
26
RI/
PCM_CLK
DO
Ring indicator/
PCM clock signal.
The default
function is RI after
startup.
2.8V power
domain.
40
I2C_SCL
OD
I2C serial clock.
1.8V power
domain.
/
/
/
/
41
I2C_SDA
OD
I2C serial data.
1.8V domain.
/
/
/
/
42
USIM_
PRESENCE
DI
(U)SIM card
input detection.
1.8V power
domain.
/
/
/
/
43
USIM_VDD
PO
Power supply
for (U)SIM card.
1.8V/3.0V
27
SIM1_VDD
PO
Power supply for
(U)SIM1 card.
1.8V/3.0V
44
USIM_RST
DO
(U)SIM card
reset signal.
1.8V/3.0V
28
SIM1_RST
DO
(U)SIM1 card reset
signal.
1.8V/3.0V
1.8/3.0V
45
USIM_DATA
IO
(U)SIM card
data signal.
1.8V/3.0V
29
SIM1_DATA
IO
(U)SIM1 card data
signal.
1.8V/3.0V
46
USIM_CLK
DO
(U)SIM card
clock signal.
1.8V/3.0V
30
SIM1_CLK
DO
(U)SIM1 card
clock signal.
1.8V/3.0V
47
USIM_GND
/
Ground
31
SIM1_GND
/
Ground
48
GND
/
Ground
/
/
/
/
49
RESERVED
/
/
/
/
/
/
50
GND
/
Ground
/
/
/
/
51
VRTC
PI/
PO
V
O
=1.8V.
V
I
=1.0V~1.9V.
32
VRTC
PI/
PO
V
O
max=3.0V.
V
O
min=2.0V.
