PCF8579T/1,112 NXP Semiconductors, PCF8579T/1,112 Datasheet - Page 29

• Manufacturer Part Number: PCF8579T/1,112
• Description: IC LCD DRIVER DOT MATRIX 56-VSOP
• Manufacturer: NXP Semiconductors

Specifications of PCF8579T/1,112

• Package / Case: 56-VSOP
• Display Type: LCD
• Configuration: Dot Matrix
• Interface: I²C
• Current - Supply: 9µA
• Voltage - Supply: 2.5 V ~ 6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Maximum Clock Frequency: 10 KHz
• Operating Supply Voltage: 2.5 V to 6 V
• Maximum Power Dissipation: 400 mW
• Maximum Operating Temperature: + 85 C
• Maximum Supply Current: 50 mA
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Digits Or Characters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 568-3562-5; 935278869112; PCF8579TD

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