Nokia 9000i - UIF Electronics; Technical Specification; UIF Electrical Characteristics; DC Characteristics

After Sales
Technical Documentation
RAE/RAK–1N
UIF
Page 4– 7
Amendment 1 04/97
Both flexes are made of flexible material. Flexible material is needed
because the hinge will be opened thousands of times and the signals
must be working all the time.
UIF Electronics
The following sections of circuitry are on the UIF module:
– CMT LCD Display Module
– CMT LCD voltage divider & temperature compensation circuit.
– CMT Keypad & CMT LCD illuminating circuits.
– CMT & Soft keypad matrix.
– Antenna impedance matching circuit.
– Hinge flex connector.
– PDALCD flex connector.
Technical Specification
UIF Electrical Characteristics
DC Characteristics
Table 1. Supply Voltages and Power Consumption
Pin / Conn. Line Symbol Minimum Typical /
Nominal
Maximum Unit / Notes
2/X001 VL1
4.65 4.8 4.95 V
1.5 mA LCD material B
0.8 mA LCD material D
(without tempera-
ture compensation)
1/X001 VBATT
5.3 7.2 8.4 V
40 mA Display illumination
40 mA Keypad illumination
27/X001 LCDVCC 3.3V PDALCD Logic
voltage
28/X001 LCDVEE 17V 22V 25V PDALCD LCD volt-
age