T89C51AC2 Datasheet | Atmel

Features - 80C51 Core Architecture - 256 Bytes of On-chip RAM - 1 KB of On-chip XRAM - 32 KB of On-chip Flash Memory - Data Retention: 10 Years at 85°C Read/Write Cycle: 10K - 2 KB of On-chip Flash for Bootloader - 2 KB of On-chip EEPROM Read/Write Cycle: 100K - 14-sources 4-level Interrupts - Three 16-bit Timers/Counters - Full Duplex UART patible 80C51 - Maximum Crystal Frequency 40 MHz, in X2 Mode, 20 MHz (CPU Core, 20 MHz) - Five Ports: 32 + 2 Digital I/O Lines - Five-channel 16-bit PCA with: - PWM (8-bit) - High-speed Output - Timer and Edge Capture - Double Data Pointer - 21-bit Watchdog Timer (7 Programmable Bits) - 10-bit Resolution Analog to Digital Converter (ADC) with 8 Multiplexed Inputs - On-chip Emulation Logic (Enhanced Hook System) - Power Saving Modes: - Idle Mode - Power-down Mode - Power Supply: 3V to 5.5V - Temperature Range: Industrial (-40° to +85°C) - Packages: VQFP44, PLCC44 Description The A/T89C51AC2 is a high performance Flash version of the 80C51 single chip 8-bit microcontrollers. It contains a 32 KB Flash memory block for program and...