Panasonic G600 Technical Manual page 33

VEGA
Voice Downlink path
Auxiliary
AUXO
Amplifier
EARP
Earphone
EARN
Amplifier
Figure 7: Voice DAC block diagram
8.2.6 Auxiliary A/D
VEGA provides 5 A/D inputs.
G600 takes advantage of the A/D inputs on VEGA allowing external power to be monitored with just 2 resistors
each and no need for a buffer transistor.
VEGA input
ADC0
ADC1
ADC2
ADC3
ADC4
Issue 1
Revision 0
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Smoothing
One bit
Filter
Volume Cont
DAC
& PGA
Pin Number Use
36 Battery Voltage
37 Battery Type
38 Battery Temperature
39 nADP _SENSE
40 Current
Sigma_Delta
Modulator
fs1=1 MHz
Range
0 = 0V
3FFh = 9.0V
0~136h = Ni-MH
137~3FFh = Li-ION
0D5h = +70oC
249h = +25oC
3FBh = -20oC
0~168h = Data Adaptor
17C~1EDh = RS232 Direct Cable
230~2C0h = SMS Cable
2L8~365h = Headset Adaptor
Other value = No Adaptor
0h = 0mAh
3FFh = 800mAh
Section 8
8 - 4
IIR
SINC
Bandpass
Interpolation
Filter
Filter
fs2=40 KHz fs3=8.0 KHz
600-0807
MCUK980101G8
Technical Guide
From voice
serial
interface