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Philips Semiconductors
User Manual of High-End RDS/EON
Car Radio System CCR612 (V0.3)
Application Note
96029
4.6 LCD display.
The LCD display is a 143 segment display, with a character set that includes umlaut (ü) characters.
The display consists of the following fields:
- Text field for 8 alpha-numerical characters;
- Numerical digit for display of the preset number;
- 15 Icons for: REG, EON, AST,SCAN, LOC,AF, TP,ST, TA, PTY,LOUD, DOLBY,CLIP, MTL,AMS.
Figure 9 shows a possible layout of the LCD display
A
B
C
D
E
F
G
12 3
4
5678 9
P
AMS
Digit
REG
EON AST SCAN LOC AF TP ST TA PTY LOUD
MTL
CLIP
P2
A
B
C
D
E
F
G
H
IJ
KL
MN
Figure 9 Liquid Crystal Display (LCD)
The 143 segment display is driven by one PCF8576 operating in 1:4 multiplex mode (4 backplanes BP0,
BP1, BP2 and BP3) and a 1/4 (4 levels) LCD bias configuration.
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