Atmega128A-AU SMD IC Microcontroller

Description

Features High-performance, Low-power Atmel®AVR®8-bit Microcontroller Advanced RISC Architecture – 133 Powerful Instructions – Most Single Clock Cycle Execution – 32 x 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 – 128KBytes of In-System Self-programmable Flash program memory – 4KBytes 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 64KBytes 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 Peripheral Features – 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 2 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 Features – 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 Specifications Product Attribute Attribute Value Manufacturer: Microchip Product Category: 8-bit Microcontrollers – MCU Series: ATmega128A Mounting Style: SMD/SMT Package/Case: TQFP-64 Core: AVR Program Memory Size: 128 kB Data Bus Width: 8 bit ADC Resolution: 10 bit Maximum Clock Frequency: 16 MHz Number of I/Os: 53 I/O Data RAM Size: 4 kB Supply Voltage – Min: 2.7 V Supply Voltage – Max: 5.5 V Minimum Operating Temperature: – 40 C Maximum Operating Temperature: + 105 C Packaging: Tray Data RAM Type: SRAM Data ROM Size: 4 kB Data ROM Type: EEPROM Height: 1 mm Interface Type: JTAG Length: 14 mm Moisture Sensitive: Yes Number of ADC Channels: 8 Channel Number of Timers/Counters: 4 Timer Processor Series: megaAVR Product: MCU Product Type: 8-bit Microcontrollers – MCU Program Memory Type: Flash ATMEGA128A-AU Datasheet

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