User Guide

NSB-5
System Module PAMS Technical Documentation
Page 42 Nokia Mobile Phones Ltd. Issue 1 03/01
C2 VSA5 P - Negative analog power supply for
PCM ADC
AGND
D2 EARN O Float Negative ear-piece output To internal speaker
E2 VSA4 P - Negative analog power supply for
PCM DAC
AGND
F2 VREF I - Reference voltage input (1.5V) VREF from CCONT
G2 AFCOut O Float Automatic frequency control out-
put
To 13MHz clock oscillator
H2 TxIOutN O Float Negative in-phase transmit out-
put
To SUMMA
A3 MIC2N I Inp Second negative high impedance
input for microphone
Analog input from slide micro-
phone
B3 MIC2P I Inp Second positive high impedance
input for microphone
Analog input from slide micro-
phone
C3 VDA5 P _ Positive analog power supply for
PCM ADC
VCOBBA from CCONT
D3 HFCM O Float Common mode output for phone
external audio circuitry
Not used (floating)
E3 VDA4 P - Positive analog power supply for
PCM DAC
VCOBBA from CCONT
F3 TxQOutP O Float Positive quadrature transmit out-
put
To SUMMA
G3 TxQOutN O Float Negative quadrature transmit
output
To SUMMA
H3 TxIOutP O Float Positive in-phase transmit output To SUMMA
A4 MBIAS O Float Bias output for microphone 2.1V Bias output for microphone
2.1V
B4 VDD1 P - AudioCodec positive digital
power supply
VBB
C4 VSS1 P - AudioCodec negative digital
power supply
GND
D4 AUXOUT O Float Auxiliary audio output or ABIAS
2.1V
Auxiliary audio output or ABIAS
2.1V
E4 VDA3 P - Positive analog power supply VCOBBA from CCONT
F4 TxCOut O Float Transmit power control output Transmit power control output
– to SUMMA
G4 TxIPhsP O Float Positive in-phase PHS transmit
output
Not used (floating)
H4 TxIPhsN O Float Negative in-phase PHS transmit
output
Not used (floating)
A5 TEST I Inp Test pin GND