ATtiny43U
Overview
- High Performance, Low Power AVR® 8-bit Microcontroller
- Advanced RISC Architecture - 123 Powerful Instructions - Most Single Clock Cycle Execution - 32 x 8 General Purpose Working Registers - Fully Static Operation
- Non-volatile Program and Data Memories - 4K Bytes of In-System Programmable Program Memory Flash - 64 Bytes of In-System Programmable EEPROM - 256 Bytes of Internal SRAM - Write/Erase Cycles: 10,000 Flash/ 100,000 EEPROM - Data Retention: 20 years at 85°C/ 100 years at 25°C - Programming Lock for Software Security
- Peripheral Features - QTouch® Library Support for Capacitive Touch Sensing (8 Channels) - Two 8-bit Timer/Counters with two PWM Channels, Each - Programmable Watchdog Timer with Separate On-chip Oscillator - On-chip Analog Comparator - 10-bit ADC
- 4 Single-ended Channels - Universal Serial Interface - Boost Converter
- Special Microcontroller Features - debugWIRE On-chip Debug System - In-System Programmable via SPI Port - External and Internal Interrupt Sources - Pin Change Interrupt on 16 Pins - Low Power Idle, ADC Noise Reduction and Power-down Modes - Enhanced Power-on Reset Circuit - Programmable Brown-out Detection Circuit - Internal Calibrated Oscillator - Temperature Sensor On-chip
- I/O and Packages - Available in 20-pin SOIC and 20-pin QFN/MLF - 16 Programmable I/O Lines
- Operating Voltage: - 0.7 - 1.8V (via On-chip Boost Converter) - 1.8 - 5.5V (Boost Converter Bypassed)
- Speed Grade - Using On-chip Boost Converter
- 0 - 4 MHz - External Power Supply
