ATMLH15204B1 ICs Integrated circuit Chip IC Electronics

8-bit Microcontroller with 64K/128K/256K Bytes In-System Programmable Flash

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Features

• High Performance, Low Power AVR® 8-Bit Microcontroller

• Advanced RISC Architecture

– 135 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

– On-Chip 2-cycle Multiplier

• High Endurance Non-volatile Memory Segments

– 64K/128K/256K Bytes of In-System Self-Programmable Flash

– 4K Bytes EEPROM – 8K Bytes Internal SRAM

– Write/Erase Cycles:10,000 Flash/100,000 EEPROM

– Data retention: 20 years at 85°C/ 100 years at 25°C

– Optional Boot Code Section with Independent Lock Bits

• In-System Programming by On-chip Boot Program

• True Read-While-Write Operation

– Programming Lock for Software Security Endurance:

Up to 64K Bytes Optional External Memory Space

• 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 Prescaler and Compare Mode

– Four 16-bit Timer/Counter with Separate Prescaler, Compare- and Capture Mode

– Real Time Counter with Separate Oscillator

– Four 8-bit PWM Channels

– Six/Twelve PWM Channels with Programmable Resolution from 2 to 16 Bits

(ATmega1281/2561, ATmega640/1280/2560)

– Output Compare Modulator

– 8/16-channel, 10-bit ADC (ATmega1281/2561, ATmega640/1280/2560)

– Two/Four Programmable Serial USART (ATmega1281/2561,ATmega640/1280/2560)

– Master/Slave SPI Serial Interface

– Byte Oriented 2-wire Serial Interface

– Programmable Watchdog Timer with Separate On-chip Oscillator

– On-chip Analog Comparator

– Interrupt and Wake-up on Pin Change