sh66k51a SinoWealth Micro-Electronics Corp. Ltd, sh66k51a Datasheet - Page 35

• Manufacturer Part Number: sh66k51a
• Description: 2k 4-bit Micro-controller With Lcd Driver
• Manufacturer: SinoWealth Micro-Electronics Corp. Ltd

LCD Voltage Regulator Circuitry (GND = 0V, V
AC Electrical Characteristics (V
Timing Waveform
System Clock Timing Waveform:
Regulator output voltage
(VP2 output voltage)
Oscillator Start time
Internal RC Frequency Variation
Parameter
Parameter
System Clock
f
osc
DD
Symbol Min.
Symbol Min.
f
= 3.0V GND = 0V, T
t
OSCX
OST
V2
T1
3.92
1.8
-
DD
T2
= 2.0 - 3.6V
Typ.
Typ.
T3
2.0
1
4
A
T4
= 25℃, unless otherwise specified)
Max.
Max.
t
4.08
CY
2.1
35
2
T5
,
T
T6
A
MHz
Unit
Unit
V
= 25℃ unless otherwise specified)
s
T7
Connecting a 200kΩ resistor between VP2
and GND. Without LCD panel load.
Oscillator = 32.768kHz
V
T8
DD
T1
= 2.0 - 3.6V, T
T2
T3
T4
Condition
Condition
A
= +5℃ to +45℃
SH66K51A