AT83C5123

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) P...