PCF8578T/1 NXP Semiconductors, PCF8578T/1 Datasheet - Page 35

• Manufacturer Part Number: PCF8578T/1
• Description: IC, LCD DRIVER, ROW/COLUMN, 56VSOP
• Manufacturer: NXP Semiconductors

Specifications of PCF8578T/1

• Supply Current: 20µA
• No. Of Digits / Alpha: 36
• Meter Display Type: LCD
• Supply Voltage Range: 2.5V To 6V
• Driver Case Style: VSOP
• No. Of Pins: 56
• Operating Temperature Range: -40°C To +85°C
• Base: RoHS Compliant
• No. Of Segments: 384
• Interface Type: I2C
• Rohs Compliant: Yes

Fig 26. Split screen application with 1:16 multiplex rate for improved contrast
SCL
SDA
V
DD
C
C
C
C
C
V
V
DD
R
R
R
R
R
LCD
V
SS
V
V
V
V
V
V
SDA
V
DD
2
3
4
5
SS
LCD
(ROW MODE)
SCL
PCF8578
CLK SYNC
OSC
SA0
unused columns
V
V
SS
SS
R ext(OSC)
/V
subaddress k 1
8
DD
rows
rows
16
16
V
DD
V
V
SA0
A3
A2
A1
A0
V
V
V
V
V
DD
SS
DD
3
4
SS
LCD
SDA
SYNC
SCL
PCF8579
PCF8579
CLK
#1
#k
CLK SYNC
SCL SDA SA0
40
columns
40
columns
LCD DISPLAY
V
V
V
V
V
LCD
SS
A0
A1
A2
A3
SS
V
V
DD
SS
3
4
subaddress 0
V
DD
subaddress 1
V
DD
V
V
SA0
V
A3
A2
A1
A0
V
DD
V
V
V
SS
DD
SS
LCD
3
4
SDA
1:16 multiplex rate
16
(10240 dots max.)
1:16 multiplex rate
16
(10240 dots max.)
SYNC
40
40
SCL
PCF8579
PCF8579
CLK
k dots (k
k dots (k
#2
#2
CLK SYNC
SCL SDA SA0
40
columns
40
columns
16)
16)
V
V
V
V
LCD
V
SS
SS
V
V
DD
A0
A1
A2
A3
SS
3
4
subaddress 1
V
DD
subaddress 0
V
DD
V
V
SA0
A3
A2
A1
A0
V
V
V
V
DD
V
SS
DD
SS
3
4
LCD
SDA
SYNC
SCL
PCF8579
PCF8579
CLK
#1
#k
CLK SYNC
SCL SDA SA0
40
columns
40
columns
V
V
V
V
V
LCD
SS
A0
A1
A2
A3
SS
V
V
DD
SS
subaddress k 1
3
4
V
DD
msa847