S6B0717 查看數據表（PDF） - Samsung

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S6B0717

55 COM / 100 SEG DRIVER & CONTROLLER FOR STN LCD

Samsung 

S6B0717

55 COM / 100 SEG DRIVER & CONTROLLER FOR STN LCD

PIN DESCRIPTION

POWER SUPPLY

Table 3. Power Supply Pins Description

Name

I/O

Description

VDD Supply Power supply

VSS

V0

V1

V2

V3

V4

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;

V0 ≥ V1 ≥ V2 ≥ V3 ≥ V4 ≥ VSS

When the internal power circuit is active, these voltages are generated as following table

I/O according to the state of LCD bias.

LCD bias

V1

V2

V3

V4

1/8 bias

(7/8) x V0

(6/8) x V0

(2/8) x V0

(1/8) x V0

1/6 bias

(5/6) x V0

(4/6) x V0

(2/6) x V0

(1/6) x V0

1/5 bias

(4/5) x V0

(3/5) x V0

(2/5) x V0

(1/5) x V0

LCD DRIVER SUPPLY

Table 4. LCD Driver Supply Pins Description

Name

I/O

Description

C1-

C1+

C2-

C2+

C3-

C3+

VOUT

DCDC5B

VR

VEXT

REF

O Capacitor 1 negative connection pin for voltage converter

O Capacitor 1 positive connection pin for voltage converter

O Capacitor 2 negative connection pin for voltage converter

O Capacitor 2 positive connection pin for voltage converter

O Capacitor 3 negative connection pin for voltage converter

O Capacitor 3 positive connection pin for voltage converter

I/O Voltage converter input / output pin

I

5 times boosting circuit enable input pin. When this pin is low in 4 times boosting circuit,

the 5 times boosting voltage appears at VOUT

I

V0 voltage adjustment pin

It is valid only when on-chip resistors are not used (INTRS = “L”)

I External VREF input pin for the LCD power supply voltage regulator

Selects the external VREF voltage via the VEXT pin

I

− REF = "H": using the internal VREF

− REF = "L": using the external VREF

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