PCF1178CU Philips Semiconductors, PCF1178CU Datasheet - Page 13

• Manufacturer Part Number: PCF1178CU
• Description: 4-digit duplex LCD car clock
• Manufacturer: Philips Semiconductors

Philips Semiconductors
APPLICATION INFORMATION
1997 Apr 16
4-digit duplex LCD car clock
(1) To be placed close to the IC.
OSC OUT
S1
S2
OSC IN
MODE
DATA
V SS
SEL
BP1 1
BP2 2
26
25
17
27
28
16
23
24
COUNTER
AM/PM
OSCILLATOR
Fig.8 Typical application diagram.
COUNTER
DECODER
DECODER
HOURS
REGULATOR
CONTROL
VOLTAGE
EEPROM
LOGIC
COUNTER
MINUTES
13
ADJUSTABLE
DIVIDER
SECONDS
COUNTER
PCF1178C
MSB227
22
18
21
20
19
15
3
V DD
FLASH
TS
ENABLE
V PP
100 nF
(1)
segment drivers
C ext
to LCD
Product specification
12 V
PCF1178C
I DD
6.8 k
47 F