User Guide

User Interface CCS Technical Documentation
Page 8 ¤Nokia Corporation Issue 1 07/02
Figure 3: LCD Module
Absolute Maximum Ratings
Table 3: Absolute maximum ratings
Note: values respect to UI module GND
DC Characteristics
UI connector is the connector between the UI module and NMP PWB.
Table 4: UI-connector DC characteristics
Item Symbol Rating Unit Terminal
Power supply voltage V
DD 0 ~ +3.3 V VDD
V
DDI 0 ~ +3.3 V VDDI
Signal input voltage V
IN 0 ~ VDDI+0.3 V D0~D7
Signal output voltage V
OUT 0 ~ VDDI+0.5 V D0~D7, A0, XRES, XRD, XWR
LED input voltage V
LED 6 V Between VLED+ and VLED-
Operating tempera-
ture range
TOP -20 ~ 70 C No dew condensation
-30~-20 C No dew condensation
Reduced optical performance
Storage temperature
range
T
ST -40 ~ 85 C No dew condensation
Pin
no.
Signal
name
Type Min Typical Max Unit Description
1 VDD IN 2.6 2.78 2.9 V Voltage supply
2 GND 0 V System ground
3 D4 IN H: 0.7xVDDI
L: 0
H: VDDI
L: 0.3xVDDI
V Data to write
OUT H: 0.8xVDDI
L: 0
H: VDDI
L: 0.2 x VDDI
V Data to read