ATmega1284 Datasheet PDF
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8-bit Atmel Microcontroller with 16/32/64/128K Bytes
In-System Programmable Flash
High-performance, low-power 8-bit Atmel® AVR® Microcontroller
Advanced RISC architecture
̶ 131 powerful Instructions – most single-clock cycle execution
̶ 32 × 8 general purpose working registers
̶ Fully static operation
̶ Up to 20MIPS throughput at 20MHz
̶ On-chip 2-cycle multiplier
High endurance non-volatile memory segments
̶ 16/32/64/128KBytes of In-System Self-programmable Flash program memory
̶ 512/1K/2K/4KBytes EEPROM
̶ 1/2/4/16KBytes 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
̶ Programming Lock for Software Security
Atmel QTouch® library support
̶ Capacitive touch buttons, sliders and wheels
̶ QTouch and QMatrix acquisition
̶ Up to 64 sense channels
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
Peripheral Features
̶ Two 8-bit Timer/Counters with Separate Prescalers and Compare Modes
̶ One/two 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and
Capture Mode
̶ Real Time Counter with Separate Oscillator
̶ Six PWM Channels
̶ 8-channel, 10-bit ADC
Differential mode with selectable gain at 1×, 10× or 200×
̶ Byte-oriented Two-wire Serial Interface
̶ Two Programmable Serial USART
̶ Master/Slave SPI Serial Interface

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Total : 30 Pages
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