PAMS Technical Documentation
Disassembly & Troubleshooting
NSB-7
Issue 1 06/00
ã
Nokia Mobile Phones Ltd.
Page 9
U54
MCURDX
MCU READ
MAD (D200) -> COMPOMEMORY (D210)
J241
MCUWRX
MCU WRITE
MAD (D200) -> COMPOMEMORY (D210)
J242
MCUAD1
MCU ADDRESS LINE 1
MAD (D200) -> COMPOMEMORY (D210)
J245*
R205#
SCLK
HAGAR (N505) SERIAL CLOCK
MAD (D200) -> HAGAR (N505)
J250
COBBA
(N250)CSX
COBBA (N250) CHIP SELECT
MAD (D200) -> COBBA (N250)
J251
COBBA
(N250)SDA
COBBA (N250) SERIAL BUS DATA
MAD (D200) <-> COBBA (N250)
J252
COBBA
(N250)CLK
COBBA (N250) SERIAL BUS CLOCK
MAD (D200) -> COBBA (N250)
J253
PCMRXDATA
AUDIO RECEIVED DATA
COBBA (N250) -> MAD (D200)
J254
PCMDCLK
AUDIO DATA CLOCK (512kHz)
MAD (D200) -> COBBA (N250)
J255
PCMSCLK
AUDIO SYNC CLOCK (8kHz)
MAD (D200) -> COBBA (N250)
J225
ESYSRESETX
COMPOMEMORY (D210) ENABLE
MAD (D200) -> COMPOMEMORY (D210)
J256
PCMTXDATA
AUDIO TRANSMITTED DATA
MAD (D200) -> COBBA (N250)
J257
CCUT
(MCUGENIO0)
CHARGE CUT
MAD (D200) -> CHAPS (N101)
J259*
BUTTON_CTRL_2
(MCUGENIO2)
HEADSET BUTTON DETECTION CONTROL
MAD (D200) -> XMICP
J260
EXTMCUDA0
MCU DATA LINE 0
MAD (D200) <-> COMPOMEMORY (D210)
J299*
R745#
TXP
TRANSMITTER POWER CONTROL
MAD (D200) -> RF
L200
MIC
MIC BIAS VOLTAGE, 2.1v IF NO MIC
V250 -> MIC
N310 PIN 13
KBD LIGHT
KEYPAD LED LIGHT CURRENT
UI-SWITCH (N310) -> KEYPAD BACKLIGHT LEDS
N310 PIN 14
KBDLED_ADJ
KEYPAD BACKLIGHT BRIGHTNESS ADJUSTMENT
R311 -> UI-SWITCH (N310)
N310 PIN 16
VIBRA_CTRL
VIBRA DRIVE
UI-SWITCH (N310) -> VIBRA (M300)
Reference
Signal
Note