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Philips Semiconductors
User Manual of High-End RDS/EON
Car Radio System CCR612 (V0.3)
Application Note
96029
Appendix II defines the connection of the segments of the display. Appendix III shows the character set.
Figure 10 shows a diagram of the LCD driver interface.
PCF8576
S0
S39
BP0
BP3
BP1
SCL
I²C-bus
Vdd
OSC
+5V
SDA
A0
A1
A2
Vss
Vlcd
BP2
SA0
1
2345678 9
AMS
Digit
REG
EON AST SCAN LOC AF TP ST TA PTY LOUD
MTL
CLIP
P2
BP0
BP2
BP1
BP3
Figure 10 Display module for 143 segments with PCF8576
4.7 Non Volatile Memory.
This device is a512 byte static CMOS EEPROM with I
2
C-bus interface. It has lowpower consumption and
guarantee a minimum of 100,000 erase/write cycles per byte and 10 years of non volatile data retention.
WP
A1
A2
Vss
Vdd
RC
SCL
SDA
+5V
I²C-Bus
1
2
3
45
6
7
8
PCF8594
Figure 11 Non-Volatile Memory
Appendix I shows the layout of data in the NVM.
45