PCF8579TD NXP Semiconductors, PCF8579TD Datasheet - Page 29
PCF8579TD
Manufacturer Part Number
PCF8579TD
Description
LCD Drivers LCD DRVR DOT MATRIX
Manufacturer
NXP Semiconductors
Datasheet
1.PCF8579T1112.pdf
(41 pages)
Specifications of PCF8579TD
Maximum Clock Frequency
10 KHz
Operating Supply Voltage
2.5 V to 6 V
Maximum Power Dissipation
400 mW
Package / Case
VSO-56
Maximum Supply Current
20 uA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
PCF8579T/1,112
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Fig 21. Typical LCD driver system with 1:32 multiplex rate
SCL
SDA
V
DD
C
C
C
C
C
V
V
R
R
(4 2 3)R
R
R
LCD
DD
V
SS
V
V
V
V
V
V
V
SDA
DD
2
3
4
5
LCD
SS
(ROW MODE)
SCL
PCF8578
CLK SYNC
OSC
SA0
unused columns
V
SS
R ext(OSC)
V
SS
8
rows
32
V
DD
V SS
V
V
V
V
V
SS
DD
LCD
3
4
SYNC
PCF8579
CLK
#1
SCL SDA SA0
40
columns
V SS
A0
A1
A2
A3
subaddress 0
LCD DISPLAY
V
DD
V
V
V
V
V
V
SS
DD
LCD
3
4
SS
SYNC
PCF8579
CLK
#2
SCL SDA SA0
40
columns
V
A0
A1
A2
A3
SS
1:32 multiplex rate
32
(20480 dots max.)
subaddress 1
40
k dots (k
V
DD
V
16)
V
V
V
V
V
SS
SS
DD
LCD
3
4
SYNC
PCF8579
CLK
#k
SCL SDA SA0
40
columns
msa845
V
A0
A1
A2
A3
subaddress k 1
SS
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