User Guide

RH-20 Company confidential
System Module and User Interface CCS Technical Documentation
Page 52 Nokia Corporation. Issue 1 10/2003
LCD
RH-20 has 130 x130 pixel 12bpp (bits per pixel) passive matrix color STN display. LCD is
connected to transceiver PWB by 10-pin board to board connector. Interface is using 9-
bit data transfer. Partial display function is implemented in the module. Table 1 shows
main characteristics of RH-20 LCD.
Figure 3 shows LCD interface connections. More detailed connections are described in
External and internal signals and connections.
Table 2: LCD Characteristics
Figure 26: LCD connections.
Technology CSTN
Display format 130 columns x 130 rows
Weight 6.7 g
Illumination Mode
RAM bit data
Transflective
"0000"…OFF (minimum voltages) Black
Numbers of colours 4096
Color dot layout Stripe (RGB)
Dot pitch 210µm (W) x 210µm (H)
Main viewing direction 6 o’clock
Board to Board
connector
LE
UPP
UEM
White
LED
Driver
Clk, Sda,
GenIo
VFlash1,
VLED
+
VLE
D-
LE
Csx
(
Rst
)
Vio
LED
LED
VLED-
VLED+