
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