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ADAM22P21 - (ADAM22x2x) 4-BIT SINGLE CHIP MICROCOMPUTERS

Download the ADAM22P21 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 ADAM22P21
Manufacturer ETA Chips
File Size 921.06 KB
Description (ADAM22x2x) 4-BIT SINGLE CHIP MICROCOMPUTERS
Datasheet download datasheet ADAM22P21 Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
ADAM22P20 4-BIT SINGLE CHIP MICROCOMPUTERS Abov
ADAM22P20S 4-BIT SINGLE CHIP MICROCOMPUTERS Abov
ADAM22P23 4-BIT SINGLE CHIP MICROCOMPUTERS Abov
ADAM22P24 4-BIT SINGLE CHIP MICROCOMPUTERS Abov
ADAM22P16 4-BIT SINGLE CHIP MICROCOMPUTERS Abov

Other Datasheets by ETA Chips

Part Number Description
ADAM22P21S (ADAM22x2x) 4-BIT SINGLE CHIP MICROCOMPUTERS
ADAM22P20 (ADAM22x2x) 4-BIT SINGLE CHIP MICROCOMPUTERS
ADAM22P20S (ADAM22x2x) 4-BIT SINGLE CHIP MICROCOMPUTERS
ADAM22P23 (ADAM22x2x) 4-BIT SINGLE CHIP MICROCOMPUTERS
ADAM22C20 (ADAM22x2x) 4-BIT SINGLE CHIP MICROCOMPUTERS

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.

View original datasheet text
4-BIT SINGLE CHIP MICROCOMPUTERS ADAM22X2X USER`S MANUAL • ADAM22C20 • ADAM22P20 • ADAM22C20S • ADAM22P20S • 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.