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List of Test Points
Test Points
Signal
Test point
Function
Characteristics
Note
Signal
Test point
Function
Characteristics
Note
STISClk
PRODTP1
STI serial clock
Digital signal 1.8 V
FMWrEn
J358
FM-radio write enable
Digital signal 1.8 V
From UPP to FM-radio
FBUSTXO
PRODTP2
Flash programming data
and phone control
2.78V digital signal
From phone to FPS-8/
PC
FMClk
J359
Reference clock for FM-
radio, 32 kHz
Digital signal 1.8 V
From UPP to FM-radio
FBUSRXO
PRODTP3
Flash programming data
and phone control
2.78V digital signal
From FPS-8/PC to
phone
SIMDATA
J386
SIM data
Digital signal 1.8 / 3V
From / to UEM / SIM card
STITxD
PRODTP4
STI data (Tx)
Digital signal 1.8 V
SIMRST
J387
SIM reset
Digital signal 1.8 / 3V
From UEM to SIM card
STIRxD
PRODTP5
STI data (Rx)
Digital signal 1.8 V
SIMCLK
J388
SIM clock
3.25MHz digital clock signal
1.8 / 3V
From UEM to SIM card
VPP
PRODTP6
Flash programming volt-
age
1.8V internal voltage
12V external voltage
VSIM
J389
Power supply for SIM
card
1.8V or 3V
Depends on the SIM card
MBUS
PRODTP7
Flash programming clock
and phone control
2.78V digital signal
6.5 MHz max.
Bi-directional phone
control
PURX
J402
Power up reset
1.8V digital signal
From UEM to UPP
GND
PRODTP8
Ground
SLEEPX
J403
Sleep mode control signal
1.8V when not in sleep
0V when in sleep mode
NC
PRODTP9
Not used
SLEEPCLK (40)
J404
Sleep mode timing clock
32.768kHz digital clock 1.8V
VBATT
(10)
J100
Battery voltage
UEMINT
J405
Interrupt request for UPP
1.8V digital signal
From UEM to UPP
BSI
J101
Battery size indicator
Local mode indicator
SIM removal indicator
Flash programming start
signal
1V in normal mode
0V in local mode
If BSI line rises > 2.1V
2.78V BSI pulse
To UEM A/D converter
CBUSCLK
J406
Serial control bus clock
1MHz digital clock signal
1.8V
From UPP (MCU) to UEM
Controlled by MCU
BTEMP
J102
Battery temp. Indicator
Test mode indicator
About 0.8V at 25°C
0V in test mode
CBUSDA
J407
Serial control bus data
input/output
1.8V digital signal
Between UPP (MCU) and
UEM
Controlled by MCU
HSEAR L
J103
FM radio audio L
Production testpoint
CBUSENX
J408
CBUS enable signal
1.8V digital signal
From UPP (MCU) to UEM
Controlled by MCU
HSEAR R
J104
FM radio audio R
Production testpoint
MBUSTX
J409
MBUS from UPP to UEM
1.8V digital signal
FMANT
J105
FM radio antenna
Production testpoint
MBUSRX
J410
MBUS from UEM to UPP
1.8V digital signal
ENB
J152
Audio amplifier enable
Digital signal 1.8 V
From UPP to amplifier
FBUSTX
J411
FBUS from UPP to UEM
1.8V digital signal
CLK
J153
Audio amplifier serial
clock
Digital signal 1.8 V
From UPP to amplifier
FBUSRX
J412
FBUS from UEM to UPP
1.8V digital signal
DATA
J154
Audio amplifier data
Digital signal 1.8 V
From UPP to amplifier
DBUSCLK
J413
DBUS clock
13MHz digital clock signal
1.8V
From UPP (DSP) to UEM
Generated by UPP
VFLASH1
J300
Supply voltage to LCD
2.78 V
From UEM to LCD
DBUSDA (50)
J414
DBUS data input/output
1.8V digital signal
Between UEM and UPP
(DSP)
VIO (20)
J301
Supply voltage to LCD
(IO)
1.8 V
From UEM to LCD
DBUSEN1X
J415
DBUS selection and ena-
ble
1.8V digital signal
From UPP (DSP) to UEM
Содержание 6610 - Cell Phone 625 KB
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