Atmel

AT90S2343 - 8 bit AVR Microcontroller with 2k Bytes In-System Programmable Flash

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Features Utilizes the AVR RISC Architecture AVR - High-performance and Low-power RISC Architecture - 118 Instructions - Most Single Clock Cycle Execution - 32 x 8 General-purpose Working Registers + Peripheral Control Registers - Up to 10 MIPS Throughput at 10MHz Data and Nonvolatile Program Memory - 2k Bytes of In-System Programmable Flash - 128 Bytes Internal SRAM - 128 Bytes of In-System Programmable EEPROM - Programmable Lock for Flash Program and EEPROM Data Security Peripheral Features - One 8-bit Timer/Counter with Separate Prescalar - SPI Serial Interface for In-System Programming - Programmable Watchdog Timer with Separate On-Chip Oscillator Special Microcontroller Features - External and Internal Interrupt Sources - Selectable On-chip RC Oscillator - Power-on Reset Circuit - Low-power Idle and Power-down Modes Specifications - Low-power, High-speed CMOS Process Technology - Full Static Operation Power Consumption at 4MHz, 3V 25o C - Active: 2.4mA - Idle Mode: 0.5mA - Power-down Mode: <1µA I/O and Packages - 5 Programmable I/O Lines - 8-pin DIP

Pin Description Pin Number Description 1 RESET - Reset (Active Low) 2 PB3 - Port B 3 PB4 - Port B 4 GND - Ground 5 PB0 - Port B 6 PB1 - Port B 7 PB2 - Port B 8 Vcc - Positive Power Supply

Pin Layout Dimensional Drawing

Technical Data Data Sheet Atmel - Data Sheet for AT90S2343 Application Notes Atmel - AVR Application Notes