sh6636 SinoWealth Micro-Electronics Corp. Ltd, sh6636 Datasheet - Page 2

• Manufacturer Part Number: sh6636
• Description: Mask 4-bit Microcontroller With Remote Control Carrier Synthesizer
• Manufacturer: SinoWealth Micro-Electronics Corp. Ltd

Block Diagram
Pin Description
Total 24 pins.
PIN No.
13 - 16
17 - 20
21 - 24
1 - 4
10
12
11
5
6
7
8
9
PORTA [3:0]
PORTD [3:0]
PORTC [3:0]
PORTB [3:0]
Symbol
RESET
OSCO
TEST
OSCI
REM
GND
V
NC
P_TEST
RESET
DD
OSCO
OSCI
GND
V
DD
I/O
I/O
I/O
I/O
I/O
O
O
P
P
-
I
I
I
I
I
OSC
CPU
Bit programmable I/O pins
Carrier synthesizer for infrared or RF output pin
Power supply
Oscillator input pin. Connected to ceramic oscillator
Ground pin
Reset input. (Low active, internal pull up)
Bit programmable I/O pins
Bit programmable I/O pins
Vector port interrupt. (active falling edge)
Bit programmable I/O pins
Vector port interrupt. (active falling edge)
Not connected
Test pin. Not connected for user
Oscillator output pin. Connected to ceramic oscillator
8-Bit PRESCALER
24576 X 16BITS
128 X 4BITS
TIMER
RAM
ROM
LPD
2
control carrier
PORTD [3:0]
PORTC [3:0]
PORTB [3:0]
PORTA [3:0]
Synthesizer
Remote
Description
REM
PORTD [3:0]
PORTC [3:0]
PORTB [3:0]
PORTA [3:0]
SH6636