PCF8578HT View Datasheet(PDF) - NXP Semiconductors.
Part Name
Description
Manufacturer
PCF8578HT Datasheet PDF : 46 Pages
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VDD
VSS
SA0 SDA SCL CLK SYNC VSS
A3
V3
A2
#k
V4
A1
PCF8579
VLCD
A0
VDD
VDD
VDD
VSS
SA0 SDA SCL CLK SYNC VSS
A3
V3
A2
#2
V4
A1
PCF8579
VLCD
A0
VDD
VDD
VDD
VSS
SA0 SDA SCL CLK SYNC VSS
A3
V3
A2
#1
V4
A1
PCF8579
VLCD
A0
VDD
VDD
subaddress k 1
40
subaddress 1
40
subaddress 0
40
columns
columns
columns
VDD
VDD
C
R
V2
C
R (4 2 3)R
V3
32
rows
C
C
R
C
R
V4 PCF8578
(ROW MODE)
8
unused columns
V5
VLCD
SA0
VSS/VDD
VDD
VLCD
VSS
OSC
VSS SDA SCL CLK SYNC
Rext(OSC)
LCD DISPLAY
40
columns
subaddress 0
VDD
A0
VDD
VLCD
#1
A1
V3
PCF8579
A2
V4
A3
VSS SYNC CLK SCL SDA SA0
1:32 multiplex rate
32 × 40 × k dots (k ≤ 16)
(20480 dots max.)
1:32 multiplex rate
32 × 40 × k dots (k ≤ 16)
(20480 dots max.)
40
columns
subaddress 1
VDD
A0
VDD
VLCD
#2
A1
V3
PCF8579
A2
V4
A3
VSS SYNC CLK SCL SDA SA0
32
40
columns
subaddress k 1
VDD
A0
VLCD
#k
A1
V3
PCF8579
A2
V4
A3
VSS SYNC CLK SCL SDA SA0
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VDD
SCL
SDA
msa846
Fig 27. Split screen application with 1:32 multiplex rate
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