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SH66P20A - OTP 4-Bit Microcontroller

General Description

SH66P20A is a 4-bit microcontroller.

This chip integrates the SH6610C 4-bit CPU core with SRAM, 1K program ROM, Timer and I/O Port.

Key Features

  • SH6610C-based single-chip 4-bit microcontroller ROM: 1K X 16 bits RAM: 64 X 4 bits (Data memory) Operation voltage: 2.4V - 6.0V (Typical 3.0V or 5.0V) 12 CMOS bi-directional I/O pins 4-level subroutine nesting (including interrupts) One 8-bit auto re-load timer/counter Warm-up timer for power on reset Powerful interrupt sources: - Internal interrupt (Timer0) - External interrupts: PortB & PortC (Falling edge) Oscillator (user option) - X`tal oscillator: 32.768KHz ~ 4MHz - Ceramic resonator: 400K.

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Datasheet Details

Part number SH66P20A
Manufacturer Sino Wealth Microelectronic
File Size 314.20 KB
Description OTP 4-Bit Microcontroller
Datasheet download datasheet SH66P20A Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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SH66P20A OTP 4-bit Microcontroller Features SH6610C-based single-chip 4-bit microcontroller ROM: 1K X 16 bits RAM: 64 X 4 bits (Data memory) Operation voltage: 2.4V - 6.0V (Typical 3.0V or 5.0V) 12 CMOS bi-directional I/O pins 4-level subroutine nesting (including interrupts) One 8-bit auto re-load timer/counter Warm-up timer for power on reset Powerful interrupt sources: - Internal interrupt (Timer0) - External interrupts: PortB & PortC (Falling edge) Oscillator (user option) - X`tal oscillator: 32.768KHz ~ 4MHz - Ceramic resonator: 400K ~ 4MHz - RC oscillator: 400K ~ 4MHz - External clock:30K ~ 4MHz Instruction cycle time: - 4/32.768KHz (≈ 122us) for 32.