UMTS/HSDPA Module
UC15 Hardware Design
UC15_Hardware_Design Confidential / Released 19 / 72
USIM_
PRESENCE
11 DI
USIM card input
detection.
V
IL
min = -0.3V
V
IL
max = 0.91V
V
IH
min = 1.69V
V
IH
max = 2.9V
2.6V power domain.
ADC interface
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
ADC0 41 AI
General purpose
analog to digital
converter.
Voltage range:
0V to 2.1V
ADC1 40 AI
General purpose
analog to digital
converter.
Voltage range:
0V to 2.1V
UART interface
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
RI 55
DO
Ring
indicator.
V
OL
max = 0.45V
V
OH
min = 2.15V
2.6V power domain.
DCD 56 DO
Data carrier
detection.
V
OL
max = 0.45V
V
OH
min = 2.15V
2.6V power domain.
CTS
57
DO Clear to send.
V
OL
max = 0.45V
V
OH
min = 2.15V
2.6V power domain.
RTS 58 DI
Request
to
send.
V
IL
min = -0.3V
V
IL
max = 0.91V
V
IH
min = 1.69V
V
IH
max = 2.9V
2.6V power domain.
DTR
59
DI
Data terminal ready.
V
IL
min = -0.3V
V
IL
max = 0.91V
V
IH
min = 1.69V
V
IH
max = 2.9V
2.6V power domain.
TXD 60 DO
Transmit
data.
V
OL
max = 0.45V
V
OH
min = 2.15V
2.6V power domain.
RXD 61 DI
Receive
data.
V
IL
min = -0.3V
V
IL
max = 0.91V
V
IH
min = 1.69V
V
IH
max = 2.9V
2.6V power domain.
RF interface
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
RF_ANT 43
IO
RF
antenna
pad 50
Ω
impedance
