User Guide
PAMS Technical Documentation 10. Troubleshooting
NSD-5
Issue 1 05/02 Nokia Corporation Page 19
Baseband Test Points
Test
point
Signal name General characteristics General signal destination
1 VSIM CCONT regulator output (2.8V-3.2V) From CCONT to FLASH
2 V5V CCONT regulator output (typical 5V) From CCONT to RF transmitter
3 EEPROMSDA EEPROM access serial data From MAD4 to EEPROM
4 EEPROMSCLK EEPROM access serial clock From MAD4 to EEPROM
5 CCONT_INT CCONT interrupt From CCONT to MAD4
6 MBUS Maintenance bus serial signal Bi-directional serial bus to MAD4
and the bottom connector
7 FBUS_TX Flash bus Tx signal Serial bus from MAD4 to the bot-
tom connector
8 FBUS_RX Flash bus Rx signal Serial bus from the bottom con-
nector to MAD4
9 PWM PWM From CCONT to CHAPS
10 CLK9M83 9.83MHz square waveform From CAFE to MAD4
11 CLK19M20 19.2MHz square waveform From CAFE to MAD4
12 DATA(0) Data bus(0) From MAD4 to FLASH and SRAM
13 ADD(0) Address bus(0) From MAD4 to FLASH and SRAM
14 MEM(2) Write enable signal (active low) From MAD4 to FLASH, SRAM
15 MEM(1) SRAM select signal From MAD4 to SRAM
16 MEM(0) FLASH ROM select signal From MAD4 to FLASH
17 MEM(3) Read enable signal (active low) From MAD4 to FLASH, SRAM
18 RESETX Reset signal (active low) From MAD4 to CAFE
19 PWRONX Power ON (active low) From UI power key to MAD4 and
CCONT
20 CLK_EN VCTCXO enable signal From MAD4 to FLASH, CCONT, and
CAFE
21 UIF_CCONT_SCLK LCD and CCONT serial bus clock From MAD4 to LCD and CCONT
22 PURX Power up reset signal (active low) From CCONT to MAD4
23 SLEEPCLK 32.768KHz typical square waveform From CCONT to MAD4
24 CCONTCSX CCONT chip select signal From MAD4 to CCONT
25 UIF_CCONT_SDIO LCD and CCONT serial bus data From MAD4 to LCD and CCONT
26 WD_DIS Watchdog disable (active low) CCONT test point for phone diag-
nosis mode
27 Vmad MAD4 supply voltage From CCONT to MAD4










