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AT89C5122

ATMEL Corporation
Part Number AT89C5122
Manufacturer ATMEL Corporation
Description (AT8xx512x) Smart Card Reader ICs
Published Mar 31, 2006
Detailed Description Features • 80C51 Core : • • • • • • • – 6 Clocks per Instruction – Speed up to 16 MHz 768 Bytes RAM AT83C5122: 32 Kbytes...
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AT89C5122
AT89C5122

Overview
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.
8V (20 mA) – 4 kV ESD Protection (MIL/STD 833 Class 3) Alternate Card Support with CLK, IO and RST USB Module with 7 Endpoints Programmable with In or Out Directions and with ISO, Bulk or Interrupt Transfers UART with Integrated Baud Rate Generator (BRG) 8 MHz On-chip Oscillator Analog PLL for 96 MHz Synthesis, Possible 48 MHz Clock Input Two 16-bit Timer/Counters: T0 and T1 Hardware Watchdog and Power-fail Detector (PFD) Idle and Power-down Modes Self Powered USB Low Power – 30 mA Maximum Operating Current (at 32 MHz X1) – 100 µA Maximum Power-down Current at 5.
4V (without Smart Card and USB) Voltage Range: 3.
6 to 5.
5V • • • • • • • • • • C51 Microcontroller with USB and Smart Card Reader Interfaces AT83C5122 AT83EC5122 AT85C5122 AT85EC5122 AT89C5122 AT83C5123 AT83EC5123 Preliminary • For AT8xC5122 version: – – – – – Keyboard Interrupt Interface on Port 5 (8 Bits) Five 8-bit I/O Ports, One 6-bit SPI Interface (Master Slave) Packages: VQFP64, PLCC28 Seven LED Outputs with Programmable Current Sources: 2-4-10 mA • For AT8xC5123 version: – Four LED Outputs with Programmable Current Sources: 2-4-10 mA – Two 8-bit I/O Ports, One 6-bit I/O port, One I/O bit (on LQP32 package) – Packages: LQFP32, PLCC28 Rev.
4202B–SCR–07/03 1 Description AT8xC5122 is a high-performance CMOS derivative of the 80C51 8-bit microcontrollers optimized for USB keyboard with smart card reader applications.
AT8xC5122 retains the features of t...


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