User's Manual

Low VIL 0.8 V
Differential Input Sensitivity VDI 0.2 V
Input Levels for High Speed
High Speed Squelch Detection Threshold VHSSQ 100 150 mV
High Speed Disconnection Detection
Threshold
VHSDSC 100 150 mV
Output Levels for Low/Full Speed
Low VOL 0.0 0.3 V
High VOH 2.85 3.3 V
Output Levels for High Speed
High Speed Idle Level VHSOI -10.0 10.0 mV
High Speed Data Signaling High VHSOH 360 440 mV
High Speed Data Signaling Low VHSOL -10.0 10.0 mV
USIM Interface
The USIM signals are defined on system connector to provide the interface between the
removable User Identity Module. USIM interface usually run off either 1.8V or 3.0V.
Pin Name Direction Description
8 UIM_PWR Output Power source for the USIM
10 UIM_DATA Input / Output USIM data signal
12 UIM_CLK Output USIM clock signal
14 UIM_RESET Output USIM reset signal
Parameter Symbol Min Max Unit
Logic High Input Voltage
VIH
0.65‧VSIM
VSIM +0.3 V
Logic Low Input Voltage
VIL
-0.3
0.35‧VSIM
V
Input High Leakage Current IIH - 1 uA
Input Low Leakage Current IIL
-1 - uA
Logic High Output Voltage VOH VSIM-0.45 VSIM V
Logic Low Output Voltage
VOL
0 0.45 V
High-Level, Three-State Leakage
Current
IOZH
- 1 uA
Low-Level, Three-State Leakage Current
IOZL
-1 - uA
Type I (8 Pins UIM socket)