User Guide

CCS Technical Documentation System Module and User Interface
NSB-9
Issue 1 04/03 Nokia Corporation Page 19
Table 11: Stereo ampilifer interface
External Signals and Connections
Table 12: Flip Connectors
P15 ROW(5) 0.7xVIO
0
1.8V VIO
0.3xVIO
High
Low
Keyboard matrix row 5
GenI/O19 Shift 0.7xVIO
0
1.8V VIO
0.3xVIO
High
Low
Engine shift key
BB signal
Stereo
amplifier
signal
Min Nom Max Condition Note
VBAT Vcc 3.1V 3.6V 4.2V Supply voltage
7.5mA 10mA Output
mode 7,
Vin=0V,
Io=0A
0.5uA Standby
GND GND 0V Ground
GenI/O14 ENB 1.4V
0V
1.8V 1.88V
0.4V
High
Low
Chip enable, active
high
GenI/O15 CLK 1.4V
0V
1.8V 1.88V
0.4V
High
Low
Clock input
GenI/O16 DATA 1.4V
0V
1.8V 1.88V
0.4V
High
Low
Serial data input
FM-RADIO L,
FM-RADIO R
Lin, Rin GND Vcc Lin, Rin input voltage
XEAR Phone InHS,
Phone InIHF
GND Vcc Phone in input volt-
age
Pin / Ref Signal Min Nom Max Condition Note
J301
J302
VBAT 3.1V 3.6 V 4.2V Flip Closed Flip supply voltage
2.9V 3.4V 4.0V Flip Open,
(load
switch)
J303,
J304
DATA 0.7xVIO
0
0.3xVIO
High
Low
GenI/O17
J305,
J306
CLOCK 0.7xVIO
0
0.3xVIO
High
Low
GenI/O18
J307,
J308
GND 0V Ground