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PCF8578 Datasheet(PDF) 36 Page - NXP Semiconductors

Part # PCF8578
Description  LCD row/column driver for dot matrix graphic displays
PDF  46 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF8578 Datasheet(HTML) 36 Page - NXP Semiconductors

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Fig 27. Split screen application with 1:32 multiplex rate
Rext(OSC)
OSC
SCL SDA SA0
CLK
SYNC
A0
A1
A2
A3
PCF8579
#1
40
columns
subaddress 0
SCL
SDA
SA0
CLK SYNC
PCF8578
(ROW MODE)
unused columns
8
SCL
SDA
1:32 multiplex rate
32
× 40 × k dots (k ≤ 16)
(20480 dots max.)
32
rows
R
R
R
R
C
C
C
C
C
SCL
SDA
SA0
CLK SYNC
A0
A1
A2
A3
PCF8579
#1
40
columns
subaddress 0
SCL
SDA
SA0
CLK SYNC
V3
V4
A0
A1
A2
A3
PCF8579
40
columns
VDD
VDD
VDD
VSS
VSS
VLCD
V3
V4
VDD
VDD
VDD
VSS
VSS
VLCD
V3
V4
VDD
VDD
VDD
VSS
VSS
VLCD
V3
V4
VDD
VDD
VSS
VSS
VSS
VLCD
V3
V4
VDD
VDD
VSS
VSS
VSS
VLCD
V3
V4
VDD
VDD
VSS
VSS
VSS
VLCD
V3
V2
V4
V5
VDD
VDD
VDD
VSS
VSS
VSS/VDD
VSS
VLCD
VLCD
subaddress k 1
#k
SCL SDA SA0
CLK
SYNC
A0
A1
A2
A3
PCF8579
#2
40
columns
subaddress 1
SCL SDA SA0
CLK
SYNC
A0
A1
A2
A3
PCF8579
#k
40
columns
subaddress k 1
1:32 multiplex rate
32
× 40 × k dots (k ≤ 16)
(20480 dots max.)
LCD DISPLAY
SCL
SDA
SA0
CLK SYNC
A0
A1
A2
A3
PCF8579
#2
40
columns
subaddress 1
32
(4 2 3)R
msa846



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