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AT83C5127 - MICROCONTROLLER

General Description

please refer to the AT8xC5122/23 datasheet.

SCR

AT83C5127 product is high-performance CMOS derivatives of the 80C51 8-bit microcontrollers designed for USB smart card reader applications.

Key Features

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  • Clock Controller.
  • 80C51 core with 6 clocks per instruction.
  • 8 MHz On-Chip Oscillator.
  • PLL for generating 96 MHz clock to supply CPU core, USB and Smart Card Interfaces.
  • Programmable CPU clock from 500 kHz / X1 to 48 MHz / X1 Reset Controller.
  • Power On Reset (POR) feature avoiding an external reset capacitor.

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Other Datasheets by Atmel (now Microchip Technology)

Part Number Description
AT83C5121 8-bit Microcontroller
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AT83C5122 (AT8xx512x) Smart Card Reader ICs
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AT83C5123 (AT8xx512x) Smart Card Reader ICs

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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Features www.DataSheet4U.com • Clock Controller • • • • • • • • • • • – 80C51 core with 6 clocks per instruction – 8 MHz On-Chip Oscillator – PLL for generating 96 MHz clock to supply CPU core, USB and Smart Card Interfaces – Programmable CPU clock from 500 kHz / X1 to 48 MHz / X1 Reset Controller – Power On Reset (POR) feature avoiding an external reset capacitor – Power Fail Detector (PFD) – Watch-Dog Timer Power Management – Two power saving modes: Idle and Power Down – Four Power Down Wake-up Sources: Smart Card Detection, Keyboard Interrupt, USB Resume, External Interrupt – Input Voltage Range: 4.5V - 5.5V – Core’s Power Consumption (Without Smart Card and USB): •30 mA Maximum Operating Current @ 48 MHz / X1 •200 µA Maximum Power-down Current @ 5.