ATtiny841

ATtiny441/ATtiny841 8-bit AVR Microcontroller with 4/8K Bytes In-System Programmable Flash Features DATASHEET  High Performance, Low Power Atmel® AVR® 8-bit Microcontroller  Advanced RISC Architecture  120 Powerful Instructions – Most Single Clock Cycle Execution  32 x 8 General Purpose Working Registers  Fully Static Operation  Up to 16 MIPS Throughput at 16 MHz  Non-volatile Program and Data Memories  4/8K Bytes of In-System Programmable Flash Program Memory  Endurance: 10,000 Write/Erase Cycles  256/512 Bytes of In-System Programmable EEPROM  Endurance: 100,000 Write/Erase Cycles  256/512 Bytes Internal SRAM  Data Retention: 20 Years at 85oC / 100 Years at 25oC  Programming Lock for Self-Programming Flash & EEPROM Data Security  Peripheral Features  One 8-bit and Two 16-bit Timer/Counters with Two PWM Channels, Each  Programmable Ultra Low Power Watchdog Timer  10-bit Analog to Digital Converter  12 External and 5 Internal, Single-ended Input Channels  46 Differential ADC Channel Pairs with Programmable Gain (1x / 20x / 100x)  Two On-chip Analog Comparators  Two Full Duplex USARTs with Start Frame Detection  Master/Slave SPI Serial Interface  Slave I2C Serial Interface  Special Microcontroller Features  Low Power Idle, ADC Noise Reduction, Standby and Power-down Modes  Enhanced Power-on Reset Circuit  Programmable Brown-out Detection Circuit with Supply Voltage Sampling  External and Internal Interrupt Sources  Pin Change Interrupt on 12 Pi...