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AT85EC5122 - (AT8xx512x) Smart Card Reader ICs

Download the AT85EC5122 datasheet PDF. This datasheet also covers the AT85C5122 variant, as both devices belong to the same (at8xx512x) smart card reader ics family and are provided as variant models within a single manufacturer datasheet.

General Description

AT8xC5122 is a high-performance CMOS derivative of the 80C51 8-bit microcontrollers optimized for USB keyboard with smart card reader applications.

Key Features

  • 80C51 Core :.
  • 6 Clocks per Instruction.
  • Speed up to 16 MHz 768 Bytes RAM AT83C5122: 32 Kbytes ROM AT83C5123: 30 Kbytes ROM AT85C5122: 32 Kbytes Code RAM and 32 Kbytes ROM AT89C5122 : 32 Kbytes Flash AT85EC5122, AT83EC5123, AT83EC5122: Additional 512 Bytes EEPROM (AT24C04) Multi-protocol Smart Card Interface.
  • Certified According to ISO7816, EMV2000, GIE-CB and WHQM Standards.
  • Asynch.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (AT85C5122_ATMELCorporation.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Atmel (now Microchip Technology)

Part Number Description
AT85EC5122 Smart Card Reader ICs
AT85C5121 8-bit Microcontroller
AT85C5122 Smart Card Reader ICs
AT85C51SND3 Single Chip Digital Audio Decoder - Encoder
AT85C51SND3B Single-Chip Digital Audio Decoder - Encoder

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
Features • 80C51 Core : • • • • • • • – 6 Clocks per Instruction – Speed up to 16 MHz 768 Bytes RAM AT83C5122: 32 Kbytes ROM AT83C5123: 30 Kbytes ROM AT85C5122: 32 Kbytes Code RAM and 32 Kbytes ROM AT89C5122 : 32 Kbytes Flash AT85EC5122, AT83EC5123, AT83EC5122: Additional 512 Bytes EEPROM (AT24C04) Multi-protocol Smart Card Interface – Certified According to ISO7816, EMV2000, GIE-CB and WHQM Standards – Asynchronous Protocols T = 0 and T = 1, with Direct and Inverse Modes – Step-up/Down Converter with Programmable Voltage Output: 5V and 3V (60 mA), 1.