AT85C5122 Datasheet | Atmel

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 m A), 1.8V (20 m A) - 4 k V 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 m A 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 AT8x C5122 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 m A - For AT8x C5123 version: - Four LED Outputs with Programmable Current Sources: 2-4-10 m A - 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 Description AT8x C5122 is a high-performance CMOS derivative of the 80C51 8-bit microcontrollers optimized for USB keyboard with smart card reader applications. AT8x C5122 retains the features of...