ST7565S datasheet(39/73 Pages) ETC1

39 / 73 page

ST7565S

Ver 0.3c

39/72

2002/07/22

Reference Circuit Examples

Figure 15 shows reference circuit examples.

1. When used all of the step-up circuit, voltage regulating circuit and V/F circuit

(1) When the voltage regulator internal resistor

is used.

(Example where VSS2 = VSS, with 4x step-up)

(2) When the voltage regulator internal resistor

is not used.

(Example where VSS2 = VSS, with 4x step-up)

VSS2

VOUT

CAP3-

CAP1+

CAP1-

CAP2+

CAP2-

VDD

IRS

M/S

VDD

VSS

VSS2

VOUT

CAP3-

CAP1+

CAP1-

CAP2+

CAP2-

VDD

IRS

M/S

VDD

VSS

VDD

CAP4-

CAP5-

CAP4-

CAP5-

2. When the voltage regulator circuit and V/F circuit alone are used

(1) When the V5 voltage regulator internal resistor

is not used.

(2) When the V5 voltage regulator internal resistor

is used.

VSS2

VOUT

CAP3-

CAP1+

CAP1-

CAP2+

CAP2-

VDD

IRS

M/S

VDD

VSS

VDD

VSS2

VOUT

CAP3-

CAP1+

CAP1-

CAP2+

CAP2-

VDD

IRS

M/S

VDD

VSS

External

power

supply

External

power

supply

CAP4-

CAP5-

CAP4-

CAP5-

3. When the V/F circuit alone is used

4. When the built-in power is not used

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