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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

  • 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.

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Full PDF Text Transcription for AT83C5127 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for AT83C5127. For precise diagrams, and layout, please refer to the original PDF.

Features www.DataSheet4U.com • Clock Controller • • • • • • • • • • • – 80C51 core with 6 clocks per instruction – 8 MHz On-Chip Oscillator – PLL for generating 96 MHz cl...

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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

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