sh66k51a SinoWealth Micro-Electronics Corp. Ltd, sh66k51a Datasheet - Page 38

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

Application Circuit (for reference only)
AP1 (Remote Control)
(1) Operating voltage: 3.0V
(2) Oscillator: Crystal 32.768kHz and Internal RC
(3) PORTA.0 - PORTA.2, PORTB, PORTC, PORTE: I/O Buffers
(4) PORTA.3: Input Buffers
(5) RL = 0 is possible, but the REM specification is revised to reduce power consumption
0.1uF
C1
C2
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
32.768kHz
V
DD
V
VP1
VP2
VP3
VSUB
RESET
OSCI
OSCO
GND
DD
CUP1 CUP2
0.1uF
RF: Temperature Sensor
R1, 2: Reference Resistor
R
C1, C2: 12pF (for reference only)
COM1-COM4/SEG29
OP
SEG5-SEG28
: Option Resistor
4 X 24 LCD
PORTA.0
PORTA.1
PORTA.2
PORTA.3
PORTC.0
PORTC.1
PORTC.2
PORTC.3
PORTB.0
PORTB.1
PORTB.2
PORTB.3
PORTE.0
PORTE.1
38
REM
RF
R2
R
R1
OP
RL
2uF
1.6Ω
V
DD
DT
CE = 47uF
SH66K51A