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SH6631A fiches techniques PDF

Sino Wealth - Mask 4-bit Microcontroller

Numéro de référence SH6631A
Description Mask 4-bit Microcontroller
Fabricant Sino Wealth 
Logo Sino Wealth 





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SH6631A fiche technique
SH6631A
Mask 4-bit Microcontroller
Features
SH6610C-based single-chip 4-bit micro-controller
ROM: 1024 X 16 bits ROM
RAM: 48 X 4 bits RAM (Data Memory)
Operation voltage: 1.8V – 3.6V (Typically 3.0V)
14 CMOS bi-directional I/O pins
4-level subroutine nesting (including interrupts)
One 8-bit auto re-loadable timer/counter
Warm-up timer for power-on reset
Powerful interrupt sources:
- Internal interrupt (Timer0).
- External interrupts: PortB & PortC (Falling edge).
Built-in remote control carrier synthesizer FOSC/8 or
FOSC/12 by software option
Oscillator
Ceramic resonator: 400K - 4MHz.
Instruction cycle time:
- 4/455KHz ( 8.79µs) for 455KHz OSC clock
- 4/3.64MHz ( 1.1µs) for 3.64MHz OSC clock
Two low power operation modes: HALT and STOP
Pull-up resistor for reset pin (code option)
Port interrupt source select (code option)
General Description
SH6631A is dedicated to infrared remote control transmitter applications. This chip integrates the SH6610C 4-bit CPU core with
SRAM, program ROM, an 8-bit timer, and programmable input/output driving buffers and carrier synthesizer. The standby
function, which can be used to stop/start the ceramic resonator oscillation, facilitating the low power dissipation of the system.
Pin Configuration
PORTC.2
PORTC.3
PORTD.0
PORTD.1
REM
VDD
OSCO
OSCI
GND
RESET
1
2
3
4
5
6
7
8
9
10
20 PORTC.1
19 PORTC.0
18 PORTB.3
17 PORTB.2
16 PORTB.1
15 PORTB.0
14 PORTA.3
13 PORTA.2
12 PORTA.1
11 PORTA.0
1 V2.3

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