sh6622a SinoWealth Micro-Electronics Corp. Ltd, sh6622a Datasheet - Page 20

• Manufacturer Part Number: sh6622a
• Description: Mask 4-bit Microcontroller
• Manufacturer: SinoWealth Micro-Electronics Corp. Ltd

Application Circuit (for reference only)
AP1:
(1) Operating voltage: 3.0V.
(2) Oscillator: Crystal 32.768KHz.
(3) For high reliability, C1 is better to be added.
(4) PORTA - F: I/O
AP2
(1) Operating voltage: 5.0V.
(2) Oscillator: Ceramic resonator 400KHz.
(3) For high reliability, C1 is better to be added.
(4) T0 input timer clock / counter
(5) PORTA - F: I/O
AP3
(1) Operating voltage: 5.0V.
(2) Oscillator: RC 400KHz.
(3) For high reliability, C1 is better to be added.
(4) PORTA - E: I/O
47K
0.1µ
47KΩ
47K Ω
0.1µ
Ω
0.1µ
C1
C1
22K
C1
22KΩ
GND
V
T0
RESET
DD
T0
RESET
GND
V
RESET
DD
T0
V
GND
DD
PORTA
OSCO
PORTF
OSCI
20
PORTA
OSCO
PORTF
OSCO
PORTA
OSCI
~
PORTF
OSCI
~
~
470KΩ
1000pF
I/O
I/O
100P
100P
I/O
20p
20p
SH6622A