ST7533 Sitronix Technology, ST7533 Datasheet - Page 28

• Manufacturer Part Number: ST7533
• Description: 33 x 96 Dot Matrix LCD Controller/Driver
• Manufacturer: Sitronix Technology

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ST7533
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
(Example where V
2. When the voltage regulator circuit and V/F circuit alone are used
(1) When the V
Ver 1.0
is used.
is not used.
V
V
V
V
V
DD
DD
SS
DD
SS
SS
5
2 = V
voltage regulator internal resistor
External
power
supply
R2
R1
SS
, with 4x step-up)
C1
C1
C1
C1
C2
C2
C2
C2
C2
C2
C2
C2
C2
C2
R3
V
V
CAP3-
CAP1+
CAP1-
CAP2+
CAP2-
V
V
V
V1
V2
V3
V4
V5
V
V
CAP3-
CAP1+
CAP1-
CAP2+
CAP2-
V
V
V
V1
V2
V3
V4
V5
SS2
OUT
5
R
DD
SS2
OUT
5
R
DD
IRS
IRS
M/S
M/S
V
DD
CAP4-
CAP5-
CAP4-
CAP5-
28/60
(2) When the voltage regulator internal resistor
(Example where V
(2) When the V
V
V
V
V
V
DD
DD
DD
SS
SS
is not used.
is used.
External
power
supply
R2
R1
C2
C2
C2
C2
C2
C1
C1
C1
C1
C2
C2
C2
C2
C2
SS
5
R3
2 = V
voltage regulator internal resistor
V
V
CAP3-
CAP1+
CAP1-
CAP2+
CAP2-
V
V
V
V1
V2
V3
V4
V5
V
V
CAP3-
CAP1+
CAP1-
CAP2+
CAP2-
V
V
V
V1
V2
V3
V4
V5
SS
SS2
OUT
5
R
DD
SS2
OUT
5
R
DD
, with 4x step-up)
IRS
IRS
M/S
M/S
V
DD
CAP4-
CAP5-
CAP4-
CAP5-
2003/07/21