KS0713 datasheet(12/67 Pages) SAMSUNG

12 / 67 page

KS0713

65 COM / 132 SEG DRIVER & CONTROLLER FOR STN LCD

SYSTEM CONTROL

Table 5. System Control Pin Description

Name

I/O

Description

Master / Slave operation select pin

− MS = "H": master operation

− MS = "L": slave operation

The following table depends on the MS status.

CLS

OSC

circuit

Power

supply

circuit

FRS

DISP

Enabled

Output

Disabled

Enabled

Input

Output

Disabled

Input

Output

Input

CLS

Built-in oscillator circuit enable / disable select pin

− CLS = “H”: enable

− CLS = “L”: disable (external display clock input to CL pin)

I/O

Display clock input / output pin

When the KS0713 is used in master/slave mode (multi-chip), the CL pins must be

connected each other.

I/O

LCD AC signal input / output pin

When the KS0713 is used in master/slave mode (multi-chip), the M pins must be

connected each other.

− MS = “H”: output

− MS = “L”: input

FRS

Static driver segment output pin

This pin is used together with the M pin.

DISP

I/O

LCD display blanking control input / output

When KS0713 is used in master/slave mode (multi-chip), the DISP pins must be

connected each other.

− MS = “H”: output

− MS = “L”: input

INTRS

Internal resistors select pin

This pin selects the resistors for adjusting V0 voltage level.

− INTRS = "H": use the internal resistors.

− INTRS = "L": use the external resistors.

V0 voltage is controlled with VR pin and external resistive divider.

HPM

Power control pin of the power supply circuit for LCD driver

− HPM = "H": high power mode

− HPM = "L": normal mode

This pin is valid in master operation.

TEMPS

Selects temperature coefficient of the reference voltage

− TEMPS = "L": -0.05%/°C

− TEMPS = "H": -0.2%/°C

KS0713 Datasheet(PDF) 12 Page - Samsung semiconductor

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