ATmega1284P 带有128K系统内可编程Flash存储器

Flash (Kbytes)	128
EEPROM (Kbytes)	4
SRAM (Bytes)	16K
Max I/O Pins	32
F.max (MHz)	20
Vcc (V)	1.8 - 5.5
10-bit A/D Channels	Yes
Analog Comparator	Yes
16-bit Timers	2
8-bit Timer	2
Brown Out Detector	Yes
Ext Interrupts	3
Hardware Multiplier	Yes
Interrupts	35
ISP	Yes
On Chip Oscillator	Yes
PWM Channels	6
RTC	Yes
Self Program Memory	Yes
SPI	Yes
TWI	Yes
UART	2
Watchdog	Yes
Pb-Free Packages	MLF (VQFN) 44 PDIP 40 TQFP 44

128K Bytes self-programming Flash Program Memory, 16K Bytes SRAM, 4K Bytes EEPROM, two 16-bit Timer/Counters, two 8-bit Timer/Counters, Real Time Counter, 8 Channel 10-bit A/D-converter(TQFP/MLF). JTAG Interface for On-chip Debug. Up to 20 MIPS throughput at 20 MHz. The ATmega1284P is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATmega1284P achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.

ATmega1284P 产品特性

• High-performance, Low-power AVR(R) 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: TBD μA
  – Power-down Mode: TBD μA
  – Power-save Mode: TBD μA (Including 32 kHz RTC)
  8-bit
  Microcontroller
  with 128K Bytes
  In-System
  Programmable
  Flash
  ATmega1284P
  Preliminary
  8059B–AVR–05/08

ATmega1284P 订购型号

速度 (MHz)	所需电源	产品型号	封装	工作范围
20	1.8 - 5.5V	ATmega1284P-AU ATmega1284P-PU ATmega1284P-MU	44A 40P6 44M1	工业级(-40°C － 85°C)

ATmega1284P 应用技术支持与电子电路设计开发资源下载

1. ATMEL 爱特梅尔AVR 微控制器ATmega1284P 数据手册DataSheet 下载. PDF（简洁版）
2. ATMEL 爱特梅尔AVR 微控制器ATmega1284P 数据手册DataSheet 下载. PDF（完整版）
3. Atmel 爱特梅尔AVR 微控制器简介.PDF (编号:Tech AVR 000)MLF 32
4. 面向新手的AVR 开发工具,及基本知识.PDF(编号:Tech AVR 001)
5. 使用AVR 定时/计数器的PWM功能设计要点 .PDF
6. AVR指令集（版本：0856G–AVR–07/08）
7. AVR 微控制器汽车应用解决方案 . pdf
8. AVR 微控制器选型指南. pdf
9. ATMEL 爱特梅尔公司全线产品目录. pdf