* This specification are subject to be changed without notice.

EM83040B

LCD CONTROLLER

10

9.14.2001

Preliminary

Preliminary

Preliminary

Preliminary

Preliminary

Address

Bit3

Bit2

Bit1

Bit0

2560

IRS

IR2

IR1

IR0

2561

REG3

REG2

REG1

REG0

2562

PS1

PS0

REG5

REG4

X: don’t care

Default status of Address 2560,2561 and 2562, respectively: 0010, 0000, 0000

Address 2562 bit3~2(PS1, PS0) be selected:

Use settings

PS1

PS0

Step-up

V

V/F

External

circuit

regulator

circuit

voltage input

circuit

Only the internal power

supply is used

1

1

Ο

OO

X

Only the V regulator

circuit and the V/F circuit

1

0

X

O

O

VOUT

are used

Only the V/F circuit is

used

0

1

X

X

O

V1

Only the external power

supply is used

0

0

X

X

X

V1 to V5

Address 2562 bit1~0 and 2561 bit3~0 (Reg5~Reg0) is selected the VEV value

REG5~REG0

V

EV

V

000000

1.2 V

000001

1.212 V

↓↓

011111

1.572 V

0.012V

100000

1.584 V

↓↓

111110

1.944 V

111111

1.956 V

V 1

Ra

Rb

VREG

V EV

VOUT

Fig.7