sh66k33a SinoWealth Micro-Electronics Corp. Ltd, sh66k33a Datasheet - Page 2

• Manufacturer Part Number: sh66k33a
• Description: Mask 1k 4-bit Micro-controller
• Manufacturer: SinoWealth Micro-Electronics Corp. Ltd

Block Diagram
Pin Description
Pin No.
18 - 15
14 - 11
10 - 7
6,3
19
20
2
4
5
1
PORTE.1/OSCO
PORTE.0/OSCI
INTERRUPT
PORTC.3 - 0
PORTD.2 - 1
PORTA.3 - 0
PORTB.3 - 0
(UP COUNTER)
Pin Name
PORTD.0
8-BIT TIMER
TIMER
GND
REM
V
WATCHDOG
DD
DETECTION
POWER
LOW
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
P
P
I
PRESCALER
OSCI
CTL REG.
Bit programmable I/O pins, Vector Interrupt (Active rising edge).
Input pin.
Bit programmable I/O pins.
Carrier synthesizer for infrared or RF output pin.
Power supply.
Bit programmable I/O pin, shared with oscillator input pin connected to
ceramic/crystal oscillator.
Bit programmable I/O pin, shared with oscillator output pin connected to
ceramic/crystal oscillator.
Ground pin.
Bit programmable I/O pins.
Bit programmable I/O pins, Vector Interrupt (Active rising edge).
OSC
1K X 16BITS
DATA RAM
80 X 4BITS
ROM
OSCO
2
REMOTE CONTROL
PORTA (4 BITS)
PORTB (4 BITS)
PORTC (4 BITS)
PORTD (3 BITS)
PORTE (2 BITS)
SYNTHESIZER
CPU
Description
PORTE [0:1]
REM
PORTA [0:3]
PORTB [0:3]
PORTC [0:3]
PORTD [0:2]
SH66K33A