Smart Machine Smart Decision
SIM5320JE-TE_Hardware Design_V1.01
2012-07-10
33
micAmp1
MICP/MICN
analogue amplifier
gain before ADC
0…1
0…24dB
2 steps
AT+CMICAMP1
txVol
Digital gain of input
signal after ADC
0,
1...65535
Mute,
-84...+12dB
20 * log
(txVol/
16384)
AT+CTXVOL
txGain
Digital gain of input
signal after
summation of
sidetone
0,
1...65535
Mute,
-84...+12dB
20 * log
(txGain/
16384)
AT+CTXGAIN
txFilter
Input PCM 13-tap
filter parameters, 7
values
0...65535
---
MATLAB
calculate
AT+CTXFTR
rxGain
Digital gain of
output signal after
summation of
sidetone
0,
1...65535
Mute,
-84...+12dB
20 * log
(rxGain/
16384)
AT+CRXGAIN
rxVol
Digital Volume of
output signal after
speech decoder,
before summation of
sidetone and DAC
-300…300
dbm
-300…300d
bm
AT+CLVL
AT+CVLVL
AT+CRXVOL
stGain
Digital attenuation
of sidetone
0, 1...65535
Mute,
-96...0dB
20 * log
(stGain/
16384) -12
AT+SIDET
rxFilter
Output PCM 13-tap
filter parameters, 7
values
0...65535
---
MATLAB
calculate
AT+CRXFTR
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 GSM or UMTS network. Both 1.8V and 3.0V SIM Cards are supported.
3.5.1
Pin description
Table 15: Electronic characteristic
Pin name
3.0V mode
1.8V mode
Min
Typ
Max
Min
Typ
Max
