ATMEGA1284P_1中文資料愛特梅爾數(shù)據(jù)手冊(cè)PDF規(guī)格書

Features

? High-performance, Low-power AVR? 8-bit Microcontroller

? Advanced RISC Architecture

– 131 Powerful Instructions – Most Single-clock Cycle Execution

– 32 x 8 General Purpose Working Registers

– Fully Static Operation

– Up to 20 MIPS Throughput at 20 MHz

– On-chip 2-cycle Multiplier

? Nonvolatile Program and Data Memories

– 128K Bytes of In-System Self-Programmable Flash

Endurance: 10,000 Write/Erase Cycles

– Optional Boot Code Section with Independent Lock Bits

In-System Programming by On-chip Boot Program

True Read-While-Write Operation

– 4K Bytes EEPROM

Endurance: 100,000 Write/Erase Cycles

– 16K Bytes Internal SRAM

– Programming Lock for Software Security

? 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 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 1x, 10x or 200x

– Byte-oriented Two-wire Serial Interface

– Two Programmable Serial USART

– Master/Slave SPI Serial Interface

– Programmable Watchdog Timer with Separate On-chip Oscillator

– On-chip Analog Comparator

– Interrupt and Wake-up on Pin Change

? 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

? I/O and Packages

– 32 Programmable I/O Lines

– 40-pin PDIP, 44-lead TQFP, and 44-pad QFN/MLF

? Operating Voltages

– 1.8 - 5.5V for ATmega1284P

? Speed Grades

– 0 - 4 MHz @ 1.8 - 5.5V

– 0 - 10 MHz @ 2.7 - 5.5V

– 0 - 20 MHz @ 4.5 - 5.5V

? Power Consumption at 1 MHz, 1.8V, 25°C

– Active: 0.4 mA

– Power-down Mode: 0.1 μA

– Power-save Mode: 0.7 μA (Including 32 kHz RTC)