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PCF8578T/1,118

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P45P46-P48
2003 Apr 14 10
Philips Semiconductors Product specification
LCD row/column driver for
dot matrix graphic displays
PCF8578
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R
OSC
OSC
V
SS
SDA
SA0
CLK SYNC
V
3
V
4
V
DD
V
LCD
A0
A1
A2
A3
V
SS
PCF8579
40
columns
SCL
V
SS
SCLSDA
SA0
CLK SYNC
V
3
V
4
V
DD
V
LCD
PCF8578
V
LCD
V
DD
V
2
V
5
V
SS
V
DD
/
V
SS
LCD DISPLAY
V
DD
R1
C
R2
C
R3
C
R2
C
R1
C
V
SS
V
DD
/
V
LCD
subaddress 1
V
SS
V
DD
/
40 n
columns
n
rows
HOST
MICROCONTROLLER
SCL
SDA
MSA843
Fig.5 Typical mixed mode configuration.
2003 Apr 14 11
Philips Semiconductors Product specification
LCD row/column driver for
dot matrix graphic displays
PCF8578
Fig.6 LCD row/column waveforms.
MSA841
V
DD
V
2
V
V
V
V
3
4
5
LCD
T
frame
COLUMN
SYNC
V
DD
V
2
V
V
V
V
3
4
5
LCD
ROW 0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
SYNC
V
DD
V
2
V
V
V
V
3
4
5
LCD
COLUMN
V
DD
V
2
V
V
V
V
3
4
5
LCD
ROW 0
23222120191817161514131211109876543210
SYNC
V
DD
V
2
V
V
V
V
3
4
5
LCD
COLUMN
V
DD
V
2
V
V
V
V
3
4
5
LCD
ROW 0
15
SYNC
14131211109876543210
V
DD
V
2
V
V
V
V
3
4
5
LCD
COLUMN
V
DD
V
2
V
V
V
V
3
4
5
LCD
ROW 0
0 1 2 3 4 5 67
ON
OFF
1:8
1:16
1:24
1:32
column
display
2003 Apr 14 12
Philips Semiconductors Product specification
LCD row/column driver for
dot matrix graphic displays
PCF8578
Fig.7 LCD drive mode waveforms for 1 : 8 multiplex rate.
MSA840
V
DD
V
2
V
V
V
V
3
4
5
LCD
T
frame
ROW 1
R1 (t)
V
DD
V
2
V
V
V
V
3
4
5
LCD
ROW 2
R2 (t)
V
DD
V
2
V
V
V
V
3
4
5
LCD
COL 1
C1 (t)
V
DD
V
2
V
V
V
V
3
4
5
LCD
COL 2
C2 (t)
dot matrix
1:8 multiplex rate
0.261 V
op
0.261 V
op
0 V
V
op
V
op
V
state 1
(t)
V
state 2
(t)
0.261 V
op
0.261 V
op
0 V
V
op
V
op
0.478 V
op
0.478 V
op
state 1 (OFF)
state 2 (ON)
V
state 1
(t) = C1(t) R1(t):
V
on(rms)
V
op
=
1
8
8 1
8 1
()
8
=
0.430
V
state 2
(t) = C2(t) R2(t):
V
off(rms)
V
op
=
8 1
8 1
()
8
=
0.297
2
2
()
general relationship (n = multiplex rate)
V
on(rms)
V
op
=
1
n
n
1
n
1
()
n
V
off(rms)
V
op
=
n
1
n
1
()
n
2
2
()
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P45P46-P48

PCF8578T/1,118

Mfr. #:
Buy PCF8578T/1,118
Manufacturer:
NXP Semiconductors
Description:
LCD Drivers DOT MATRIX LCD DRIVER (R/COLM)
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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