User Guide

PAMS
Technical Documentation
NSE–3
System Module
Page 3 – 39
Original 11/97
ExplanationNoteReset
State
Drive
req.
mA
Connected
to/from
Pin
Type
Pin NamePin
N:o
92 SCVCC Special cell Pow-
er
93 RFClk I VCXO Input System clock
from VCTCXO
94 RFClkGnd Input System clock
reference ground
input
95 SIMCardDetX I Input SIM card detec-
tion
96 SCGND Special cell
Ground
97 BuzzPWM O BUZZER 2 0 Buzzer PWM
control
98 LEADVCC LEAD Power
99 VibraPWM O VIBRA 2 0 Vibra PWM con-
trol
100 GND Ground
101 MCUGenIO3 I/O EEPROM 2 Input,
pullup
pullup
PR1001
General purpose
I/O port
102 MCUGenIO2 I/O EEPROM 2 Input,
pullup
pullup
PR1001
WP SCL
103 EEPROMSelX O MCU EE-
PROM
2 1 EEPROM chip
select, can be
used as MCU
general output
104 AccTxData I/O 4 Tri–
State
external
pullup
Accessory TX
data, Flash_TX
105 VCC IO VCC in
3325c10
Power
106 GenDet I Input General purpose
interrupt
107 HookDet I Input Non–MBUS ac-
cessory connec-
tion detector
108 HeadDet I Input Headset detec-
tion interrupt
109 AccRxData I Input Accessory RX
data, Flash_RX
110 GND Ground
111 MCUGenIO4 I/O 2 Input,
pull-
down
pulldown
PD1001
General purpose
I/O port