PCF8578HT View Datasheet(PDF) - NXP Semiconductors.
Part Name
Description
Manufacturer
PCF8578HT Datasheet PDF : 46 Pages
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VDD
C
R
C
R
C
(4 2 3)R
C
R
C
R
VLCD
VDD
VDD
32
V2
rows
V3
8
V4 PCF8578
(ROW MODE)
unused columns
V5
SA0
VSS VDD
VLCD
VSS
OSC Rext(OSC)
VSS SDA SCL CLK SYNC
VSS
LCD DISPLAY
1:32 multiplex rate
32 × 40 × k dots (k ≤ 16)
(20480 dots max.)
40
columns
subaddress 0
40
columns
subaddress 1
40
columns subaddress k−1
VDD
A0
VLCD
#1
A1
V3
PCF8579
A2
V4
A3
VSS SYNC CLK SCL SDA SA0
VSS
VSS
VDD VDD
A0
VLCD
#2
A1
V3
PCF8579
A2
V4
A3
VSS SYNC CLK SCL SDA SA0
VSS
VSS
VDD VDD
A0
VLCD
#k
A1
V3
PCF8579
A2
V4
A3
VSS SYNC CLK SCL SDA SA0
VSS
VSS
SCL
SDA
msa845
Fig 25. Typical LCD driver system with 1:32 multiplex rate
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