Microchip ATMEGA64A-MU

AVR16MHz64KB（32K x 16）

Overview

• High-performance, Low-power Atmel AVR 8-bit Microcontroller• Advanced RISC Architecture – 130 Powerful Instructions - Most Single-clock Cycle Execution – 32 × 8 General Purpose Working Registers + Peripheral Control Registers – Fully Static Operation – Up to 16MIPS Throughput at 16MHz – On-chip 2-cycle Multiplier• High Endurance Non-volatile Memory segments – 64Kbytes of In-System Self-programmable Flash program memory – 2Kbytes EEPROM – 4Kbytes Internal SRAM – Write/Erase cycles: 10,000 Flash/100,000 EEPROM – Data retention: 20 years at 85°C/100 years at 25°C(1) – Optional Boot Code Section with Independent Lock Bits• In-System Programming by On-chip Boot Program• True Read-While-Write Operation – Up to 64 Kbytes Optional External Memory Space – Programming Lock for Software Security – SPI Interface for In-System Programming• JTAG (IEEE std. 1149.1 Compliant) Interface – Boundary-scan Capabilities According to the JTAG Standard – Extensive On-chip Debug Support – Programming of Flash, EEPROM, Fuses and Lock Bits through the JTAG Interface• Atmel QTouch® library support – Capacitive touch buttons, sliders and wheels – Atmel QTouch and QMatrix acquisition – Up to 64 sense channels• Peripheral – Two 8-bit Timer/Counters with Separate Prescalers and Compare Modes – Two Expanded 16-bit Timer/Counters with Separate Prescaler, Compare Mode and Capture Mode – Real Time Counter with Separate Oscillator – Two 8-bit PWM Channels – 6 PWM Channels with Programmable Resolution from 1 to 16 Bits – Output Compare Modulator – 8-channel, 10-bit ADC• 8 Single-ended Channels• 7 Differential Channels• 2 Differential Channels with Programmable Gain at 1x, 10x, or 200x – Byte-oriented Two-wire Serial Interface – Dual Programmable Serial USARTs – Master/Slave SPI Serial Interface – Programmable Watchdog Timer with On-chip Oscillator – On-chip Analog Comparator• Special Microcontroller – Power-on Reset and Programmable Brown-out Detection – Internal Calibrated RC Oscillator – External and Internal Interrupt Sources – Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby – Software Selectable Clock Frequency – ATmega103 Compatibility Mode Selected by a Fuse – Global Pull-up Disable• I/O and Packages – 53 Programmable I/O Lines – 64-lead TQFP and 64-pad QFN/MLF• Operating Voltages – 2.7 - 5.5V• Speed Grades – 0 - 16MHz

Features

Advanced RISC architecture

High endurance non-volatile memory segments

Atmel QTouch® library support

Operating voltages: – 2.7 - 5.5V

53 Programmable I/O Lines

Applications

Smart measurements

Human interface devices

Automotive and industrial control systems

White house appliances

Consumer products