User Guide

User Interface CCS Technical Documentation
Page 4 ¤Nokia Corporation Issue 1 07/02
User Interface
NHL-2NA user interface appearance is described below in fig.1. It comprises LG4 module
and assembly parts.
UI Module features
• 16-gray scale by PWM, 4096-color is available.
• Backlight unit is provided, so the display can be used in both reflective mode and
transmissive mode.
• Direct data display by display data RAM (normally-white LCD)
RAM bit data "1111" . . . OFF (minimum voltage) Red, green, blue
"0000" . . . ON (maximum voltage) Black (in the normal display mode)
• Partial display function
power saving by pausing display process on part of the screen.
• Built-in RAM capacity 4 x 648 x 240 = 622,080 bits.
•MPU interface.
Directly connectable to an 8-bit parallel MPU, both 80 and 68 series
• A host of command functions (area scrolling, automatic page & column incre-
menting, and power controlling functions).
• Embedded oscillating circuit.
• User interface keys are provided.
Table 1: Basic specifications
No. Item Specifications
1 Outline dimensions (UI module) 48.55 (W) x 79.44 (H) x 6.03 (D) mm (Excluding projec-
tions and FPC)
2 Weight 17.5 g (UI module)
3 Screen dimensions 34.86mm(W) x 41.18mm(H)
4 Display format 176 x RGB (W) x 208 (H)
5 Dot pitch size
66
µm (W) x 198µm (H)
6 Color dot layout Stripe
7 Contrast max direction 7 o’clock (Transmissive)
2 o’clock (Reflective)
8 Polarizer direction 1.5 o’clock
9 Image reversal direction 4 o’clock
10 LCD mode R-TN, Normally white (Transflective type)
11 Polarizers Hard coated anti-reflective type
12 Polarizer hardness 2H