User Guide

PAMS Technical Documentation System Module
NSB-5
Issue 1 03/01 Nokia Mobile Phones Ltd. Page 41
Table 11: COBBA_GJP pin list
C13 RxPwr I/O 2/down Rx regulator control Base tune enable/disa-
ble control
D13 SynthPwr I/O 2/down Synthesizer regulator con-
trol
Transmit power control
enable
E13 MCUGenIO2 I/O 2/up General purpose I/O port LCDRSTX – LCD reset
control
F13 LEADGND GND LEAD ground GND
G13 VCC_IO PWR VCC power VBB
H13 ExtSysResetX O 2 System reset FLASH read protect con-
trol
J13 EEPROMSelX I/O 2/up EEPROM chip select, can
be used as MCU gernal
output
ROLLER_C – input bit
for roller
K13 SIMCardDetX I SIM card detection SIM card detection (to
CCONT BSI input)
L13 CoEmu1 I/O 2/up DSP/MCU emulation port 1 DSP/MCU emulation
port 1
M13 JTMS I/O Up JTAG mode select JTAG mode select
N13 JTDI I/O Up JTAG data in JTAG data in
Ball
No.
Name Type
Reset
Value
Description HD955 Function/Connection
A1 MIC1P I - Positive high impedance input for
microphone
Analog input from external
microphone
B1 MIC3N I - Third negative high impedance
input for microphone
Analog input from external
microphone
C1 VSUBA P Analog Substrate contact for RF
analog and AudioCodec
AGND
D1 EARP O Float Positive ear-piece output To internal speaker
E1 HF O Float Output for phone external audio
circuitry
To system connector for exter-
nal analog audio
F1 VDA2 P - Positive analog power supply for
the transmitters
VCOBBA from CCONT
G1 IREF O float Reference current output (no
capacitance allowed on this pin)
Through 100k to AGND
H1 VSA2 P - Negative analog power supply for
the tranmitters
AGND
A2 MIC1N I Inp Negative high impedance input
for microphone
Analog input from external
microphone
B2 MIC3P I - Third positive high impedance
input for microphone
Analog input from external
microphone