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ADAM22P21S - (ADAM22x2x) 4-BIT SINGLE CHIP MICROCOMPUTERS

Download the ADAM22P21S datasheet PDF. This datasheet also covers the ADAM22C20 variant, as both devices belong to the same (adam22x2x) 4-bit single chip microcomputers family and are provided as variant models within a single manufacturer datasheet.

Key Features

  • Program memory.
  • 2,048 bytes (2,048 x 8bit).
  • Data memory (RAM).
  • 32 nibble (32 x 4bit).
  • 3 levels of subroutine nesting.
  • Operating frequency.
  • 2.4MHz ~ 4MHz.
  • Instruction cycle.
  • fOSC/48.
  • Stop mode.
  • Released stop mode by key input.
  • Built in Power-on Reset circuit.
  • Built in Transistor for I. R LED Drive.
  • IOL=250mA at VDD=3V and VO=0.3V.
  • Built in Low Voltage reset circuit.
  • Built in a watch dog timer (WDT).
  • Low operating.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (ADAM22C20_ETAChips.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number ADAM22P21S
Manufacturer ETA Chips
File Size 921.06 KB
Description (ADAM22x2x) 4-BIT SINGLE CHIP MICROCOMPUTERS
Datasheet download datasheet ADAM22P21S Datasheet

Full PDF Text Transcription for ADAM22P21S (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for ADAM22P21S. For precise diagrams, and layout, please refer to the original PDF.

4-BIT SINGLE CHIP MICROCOMPUTERS ADAM22X2X USER`S MANUAL • ADAM22C20 • ADAM22P20 • ADAM22C20S • ADAM22P20S • ADAM22C21 www.DataSheet.co.kr • ADAM22P21 • ADAM22C21S • ADAM...

View more extracted text
22P20S • ADAM22C21 www.DataSheet.co.kr • ADAM22P21 • ADAM22C21S • ADAM22P21S • ADAM22C23 • ADAM22P23 • ADAM22C24 • ADMA22P24 Page 1 of 36 Datasheet pdf - http://www.DataSheet4U.net/ 1. Overview 1. OVERVIEW ADAM22XXX The ADAM22XXX is remote control transmitter which uses CMOS technology. The ADAM22XXX is suitable for remote control of TV, VCR, FANS, Air-conditioners, Audio Equipments, Toys, Games etc. The ADAM22CXX is MASK version and the ADAM22PXX is OTP version. 1.1. Features ■ Program memory ● 2,048 bytes (2,048 x 8bit) ■ Data memory (RAM) ● 32 nibble (32 x 4bit) ■ 3 levels of subroutine nesting ■ Operating frequency ● 2

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