AT8xC5122/AT8xC5123

Microcontroller with USB and Smart Card Reader Interfaces AT83C5122/AT83EC5122/AT85C5122/AT85EC5122/AT89C5122/AT83C5123/AT83EC5123 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 • 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