s6b0724 Densitron Corporation, s6b0724 Datasheet - Page 13

• Manufacturer Part Number: s6b0724
• Description: 132 Seg / 65 Com Driver & Controller For Stn Lcd
• Manufacturer: Densitron Corporation

S6B0724
PIN DESCRIPTION
POWER SUPPLY
LCD DRIVER SUPPLY
Name
Name
VOUT
VEXT
VDD
VSS
REF
C1+
C2+
C3+
C4+
VCI
C1-
C2-
VR
V0
V1
V2
V3
V4
PRELIMINARY SPEC. VER. 1.1
Supply
Supply
I/O
I/O
I/O
I/O
O
O
O
O
O
O
I
I
I
I
Power supply
Ground
LCD driver supply voltages
The voltage determined by LCD pixel is impedance-converted by an operational amplifier
for application.
Voltages should have the following relationship;
When the internal power circuit is active, these voltages are generated as following table
according to the state of LCD bias.
Capacitor 1 negative connection pin for voltage converter
Capacitor 1 positive connection pin for voltage converter
Capacitor 2 negative connection pin for voltage converter
Capacitor 2 positive connection pin for voltage converter
Capacitor 3 positive connection pin for voltage converter
Capacitor 4 positive connection pin for voltage converter
Voltage converter input / output pin
Connect this pin to V
V0 voltage adjustment pin
It is valid only when internal voltage regulator resistors are not used (INTRS = "L").
This is the reference voltage for the voltage converter circuit for the LCD drive.
Whether internal voltage converter use or not use, this pin should be fixed.
The voltage should have the following range: 2.4V
This is the externally input reference voltage (V
It is valid only when external V
When using internal V
Select the external V
REF = "L": using the external V
REF = "H": using the internal V
LCD bias
1/9 bias
1/8 bias
1/7 bias
1/6 bias
1/5 bias
V0
Table 4. LCD Driver Supply Pins Description
Table 3. Power Supply Pins Description
V1
V2
(8/9) x V0
(7/8) x V0
(6/7) x V0
(5/6) x V0
(4/5) x V0
SS
REF
REF,
through capacitor.
V3
V1
voltage via VEXT pin
this pin is Open
V4
REF
REF
REF
is used (REF = "L").
132 SEG / 65 COM DRIVER & CONTROLLER FOR STN LCD
VSS
Description
Description
(7/9) x V0
(6/8) x V0
(5/7) x V0
(4/6) x V0
(3/5) x V0
V2
REF
VCI
) for the internal voltage regulator.
5.5V
(2/9) x V0
(2/8) x V0
(2/7) x V0
(2/6) x V0
(2/5) x V0
V3
(1/9) x V0
(1/8) x V0
(1/7) x V0
(1/6) x V0
(1/5) x V0
V4
9