SED1530 EPSON [Epson Company], SED1530 Datasheet - Page 9

• Manufacturer Part Number: SED1530
• Description: DOT MATRIX LCD CONTROLLER DRIVER
• Manufacturer: EPSON [Epson Company]

*1
*2
*3
*4
*5
*6
*7
*8
*9
*10 For triple or quadruple boosting using the on-chip power using the primary-side power supply V
*11 The voltage regulator adjusts V
*12, *13 Current that each IC unit consumes. It does not include the current of the LCD panel capacity, wiring capacity,
*12 Applies to the case where the on-chip oscillator circuit is used and no access is made from the microprocessor.
*13 Applies to the case where the on-chip oscillator circuit and the on-chip power circuit are used and no access is
• Dynamic current consumption (2) when the LCD
• Relationship between oscillation frequency and frame frequency
built-in power circuit lamp is ON
Though the wide range of operating voltages is guaranteed, a spike voltage change may affect the voltage
assurance during access from the microprocessor.
V
The operating voltage range applies if an external power supply is used.
A0, D0 - D5, D6, D7 (SI), RD (E), WR (R/W), CS1, CS2, FR, M/S, C86, P/S and DOF pins
CL, SCL (D6) and RES pins
D0 - D5, D6, D7 (SI), FR, FRS, DYO, DOF and CL pins
A0, RD (E), WR (R/W), CS1, CS2, M/S, RES, C86 and P/S pins
Applies when the D0 - D7, FR, CL, DYO and DOF pins are in high impedance,
Resistance value when 0.1 V is applied between the output pin SEGn or COMn and each power supply pin (V
V
This is specified in the operating voltage (2) range.
R ON = 0.1 V/ I ( I: Current flowing when 0.1 V is applied in the ON status.)
For the relationship between oscillation frequency and frame frequency. (Refer to Fig.)
within the input voltage range.
etc.
This is current consumption under the conditions of display data = checker, display ON, SED1530 = 1/33 duty,
and SED1531 and SED1532 = 1/65 duty.
made from the microprocessor.
The current flowing through voltage regulation resistors (R
The current consumption, when the on-chip voltage booster is used, is for the power supply V
The relationship between oscillation frequency f
following expression.
(f
Relationship between clock (f
I
(I
DD
F
DD
2
SS
, V
does not indicate the FR signal cycle but the AC cycle.)
(1)
+15)
( A)
and V
200
150
100
3
, V
50
0
4
).
5
operating voltage range. (Refer to Fig.)
1
2
SED1533, SED1534
3
CL
SED1530
V
SED1531, SED1532
5
) and frame frequency f
DD
SED1530
SED1531
SED1532
SED1533
SED1534
within the voltage follower operating voltage range.
4
5
Duty
1/33
1/65
1/17
1/9
6
OSC
7 (V)
and LCD frame frequency f
F
f
f
f
f
OSC
OSC
OSC
OSC
1
Conditions:
Remarks:
f
, R
CL
/8
/4
/8
/8
2
and R
f
f
f
f
OSC
OSC
OSC
OSC
The built-in power supply is ON.
SED1530 V
triple boosting
SED1531 V
quadruple boosting
SED1532 V
quadruple boosting
SED1533 V
dual boosting
SED1534 V
dual boosting
Ta = 25 C
*13
3
) is not included.
f
/(8*33)
/(4*65)
/(8*17)
/(8*9)
F
SED1530 Series
5
5
5
5
5
-V
-V
-V
-V
-V
F
DD
DD
DD
DD
DD
can be obtained by the
= –8.0V,
= –11.0V,
= –11.0V,
= –5.0V,
= –5.0V,
DD
DD
must be used
.
1
9
,