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ATMEGA161 Datasheet(PDF) 1 Page - ATMEL Corporation |
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ATMEGA161 Datasheet(HTML) 1 Page - ATMEL Corporation |
1 / 134 page ![]() 1 Features • High-performance, Low-power AVR ® 8-bit Microcontroller • Advanced RISC Architecture – 130 Powerful Instructions - Most Single Clock Cycle Execution – 32 x 8 General Purpose Working Registers – Fully Static Operation – Up to 8 MIPS Throughput at 8 MHz – On-chip 2-cycle Multiplier • Program and Data Memories – 16K Bytes of Nonvolatile In-System Programmable Flash Endurance: 1,000 Write/Erase Cycles – Optional Boot Code Memory with Independent Lock Bits Self-programming of Program and Data Memories – 512 Bytes Nonvolatile In-System Programmable EEPROM Endurance: 100,000 Write/Erase Cycles – 1K Bytes Internal SRAM – Programming Lock for Software Security • Peripheral Features – Two 8-bit Timer/Counters with Separate Prescaler and PWM – Expanded 16-bit Timer/Counter System with Separate Prescaler, Compare, Capture Modes and Dual 8-, 9- or 10-bit PWM – Dual Programmable Serial UARTs – Master/Slave SPI Serial Interface – Real Time Counter with Separate Oscillator – Programmable Watchdog Timer with Separate On-chip Oscillator – On-chip Analog Comparator • Special Microcontroller Features – Power-on Reset and Programmable Brown-out Detection – External and Internal Interrupt Sources – Three Sleep Modes: Idle, Power Save and Power-down • I/O and Packages – 35 Programmable I/O Lines – 40-pin PDIP, 44-pin PLCC and TQFP • Operating Voltages – 2.7V - 5.5V (ATmega161L), 4.0V - 5.5V (ATmega161) • Speed Grades – 0 - 4 MHz (ATmega161L), 0 - 8 MHz (ATmega161) • Commercial and Industrial Temperature Ranges 8-bit Microcontroller with 16K Bytes In-System Programmable Flash ATmega161 ATmega161L Advance Information Rev. 1228A–08/99 |