User's Manual

UMTS/HSDPA Module Series
UC15 Hardware Design
UC15_Hardware_Design Confidential / Released 20 / 78
GND
42,44~49
65,67~68
,81~108
Ground.
Turn On/Off
Pin Name Pin No.
I/O Description DC Characteristics Comment
PWRKEY 18 DI
Turn on/off the
module.
R
PU
≈200
V
IH
max=2.1V
V
IH
min=1.3V
V
IL
max=0.5V
Pull-up to 1.8V
internally.
RESET_N 17 DI Reset the module.
V
IH
max=2.1V
V
IH
min=1.3V
V
IL
max=0.5V
Pull-up to 1.8V
internally.
Indication
Pin Name Pin No. I/O Description DC Characteristics Comment
STATUS 54 DO
Indicate the module
operating status.
V
OH
max=2.6V
V
OH
min=2.15V
V
OL
max=0.45V
2.6V power
domain.
NETLIGHT 6 DO
Indicate the module
network activity
status.
V
OH
max=2.6V
V
OH
min=2.15V
V
OL
max=0.45V
2.6V power
domain.
USB Interface
Pin Name Pin No. I/O Description DC Characteristics Comment
USB_VBUS 64 PI USB detection.
Vmax=5.25V
Vmin=3.0V
Vnorm=5.0V
USB_DP 62 IO
USB differential data
bus.
Compliant with USB 2.0
standard specification.
Require differential
impedance of 90Ω.
USB_DM 63 IO
USB differential data
bus.
Compliant with USB 2.0
standard specification.
Require differential
impedance of 90Ω.
USIM Interface
Pin Name Pin No. I/O Description DC Characteristics Comment