UMTS/HSPA(+) Module Series
UC200T-EM Hardware Design
UC200T-EM_Hardware_Design 17 / 68
Turn on/off
Pin Name
Pin No.
I/O Description
DC Characteristics Comment
PWRKEY
21
DI
Turn on/off the
module
V
IL
max=0.5V
VBAT power domain
RESET_N
20
DI
Reset the module
V
IL
max=0.5V
If unused, keep it
open.
Status Indication
Pin Name
Pin No.
I/O Description
DC Characteristics Comment
STATUS
61
OD
Indicate the module
operating status
The drive current
should be less than
0.9mA.
An external pull-up
resistor is required.
If unused, keep it
open.
SLEEP_IND*
3
DO
Indicate the module
sleep status
V
OH
min=1.35V
V
OL
max=0.45V
1.8V power domain.
Cannot be pulled up
before startup.
If unused, keep it
open.
NET_MODE
5
DO
Indicate the module
network registration
mode
V
OH
min=1.35V
V
OL
max=0.45V
1.8V power domain.
Cannot be pulled up
before startup.
If unused, keep it
open.
NET_
STATUS
6
DO
Indicate the module
network activity
status
V
OH
min=1.35V
V
OL
max=0.45V
1.8V power domain.
If unused, keep it
open.
USB Interface
Pin Name
Pin No.
I/O Description
DC Characteristics Comment
USB_VBUS
71
PI
USB power supply,
used for USB
detection
Vmax=5.25V
Vmin=3.0V
Vnorm=5.0V
Typical 5.0V
If unused, keep it
open.
USB_DP
69
IO
USB differential data
bus (+)
Compliant with USB
2.0 standard
specification.
Require differential
impedance of 90Ω.
If unused, keep it
open.
USB_DM
70
IO
USB differential data
bus (-)
Compliant with USB
2.0 standard
specification.
Require differential
impedance of 90Ω.
If unused, keep it
open.
(U)SIM Interface