PCF1179 View Datasheet(PDF) - Philips Electronics
Part Name
Description
Manufacturer
PCF1179 Datasheet PDF : 20 Pages
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Philips Semiconductors
4-digit duplex LCD car clock
PINNING
SYMBOL PIN
DESCRIPTION
S1
1 hour adjustment input
DATA
2 EEPROM data input
OSC IN
3 oscillator input
OSC OUT 4 oscillator output
VSS
MODE
5 negative supply voltage
6 12/24-hour mode select input
VPP
7 programming voltage input
TS
8 test speed-up mode input
ENABLE
9 enable input (for S1 and S2)
VDD
FLASH
10 positive supply voltage
11 colon option input
SEL
12 EEPROM select input
S2
13 minute adjustment input
B4/C4
14 segment driver
G4/D4
15 segment driver
F4/E4
16 segment driver
B3/C3
17 segment driver
G3/AD3
18 segment driver
F3/E3
19 segment driver
A4/COL
20 segment driver
B2/C2
21 segment driver
G2/D2
22 segment driver
F2/E2
23 segment driver
B1/C1
24 segment driver
A2/ADEG1 25 segment driver
AM/PM
26 segment driver
BP2
27 backplane 2
BP1
28 backplane 1
Product specification
PCF1179C
S1 1
28 BP1
DATA 2
27 BP2
OSC IN 3
26 AM/PM
OSC OUT 4
25 A2/ADEG1
VSS 5
24 B1/C1
MODE 6
23 F2/E2
VPP 7
22 G2/D2
PCF1179CT
TS 8
21 B2/C2
ENABLE 9
20 A4/COL
VDD 10
19 F3/E3
FLASH 11
18 G3/AD3
SEL 12
17 B3/C3
S2 13
16 F4/E4
B4/C4 14
15 G4/D4
MSB231
Fig.1 Pin configuration, PCF1179CT, (SO28).
1997 Apr 16
3
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