Usim Interface; Pin Description - SimCom SIM5320AL User Manual

summation
sidetone
Digital Volume of
output signal after
rxVol speech
before summation of
sidetone and DAC
Digital
stGain
of sidetone
Output PCM 13-tap
rxFilter filter parameters, 7
values
Note: If users require better experience on audio, users should modify these parameters according to their own electronic
and mechanical design.
3.5

USIM Interface

The USIM provides the required subscription verification information to allow the mobile equipment to
attach to a UMTS network. Both 1.8V and 3.0V SIM Cards are supported.
3.5.1

Pin description

Table 14: Electronic characteristic
3.0V mode
Pin name
Min
V_USIM 2.7
USIM_RESET 0.8* V_USIM
USIM_CLK 0.7* V_USIM
USIM_DATA 0.7* V_USIM
Table 15: Pin description
Pin name Pin
USIM_CLK 19
USIM_RESET 18
USIM_DATA 17
SIM5320AL_User Manual_V1.01
of
decoder, -300...300
attenuation
0, 1...65535
0...65535
Typ Max
3.00 3.3
3.00 V_USIM
3.00 V_USIM
3.00 V_USIM
Description
USIM Card Clock
USIM Card Reset
USIM Card data I/O, which has been pulled up with a 22kR resistor to
V_USIM in module. Do not pull up or pull down in users' application
circuit.
Smart Machine Smart Decision
16384)
-300...300d
dbm
bm
20
Mute,
(stGain/
-96...0dB
16384) -12
MATLAB
---
calculate
1.8V mode
Min
1.65
0.8* V_USIM
0.8* V_USIM
0.8* V_USIM
35
AT+CLVL
AT+CVLVL
AT+CRXVOL
* log
AT+SIDET
AT+CRXFTR
Typ Max
1.8 2.0
1.8 V_USIM
1.8 V_USIM
1.8 V_USIM
2014-08-20