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ATMEGA1284-PU 其他数据使用手册 - Microchip(微芯)
制造商:
Microchip(微芯)
分类:
微控制器
封装:
DIP-40
描述:
8 位 megaAVR 微控制器,32KB 到 256KB 闪存我们在 RS Components 提供多款来自 Atmel 的 megaAVR 8 位微控制器。 每个微控制器均基于增强型 RISC 体系结构,并具有 QTouch 库支持。 所有微控制器类型具有不同 Kb 的系统内可编程内存、EEPROM 和 SRAM 以及不同引脚和封装类型。 **megaAVR 8 位微控制器类型** ATmega32 ATmega64 ATmega128 ATmega324 ATmega325 ATmega406 ATmega640 ATmega644 ATmega645 ATmega1280 ATmega1281 ATmega1284 ATmega2560 ATmega2561 ATmega3250 ATmega6450
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P11P15P99P115P146Hot
原理图在P14P18P263P666
型号编码规则在P644P645P646P647P648P649P650P651P667
封装信息在P652P653P655P656P657P658P659P660P661P662P663
应用领域在P48P58P70P74P277P281P295P296
电气规格在P80
导航目录
ATMEGA1284-PU数据手册
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2020 Microchip Technology Inc. Data Sheet Complete DS40002070B-page 3
ATmega164A/PA/324A/PA/644A/PA/1284/P
Table of Contents
1 Pin configurations ............................................................................................................... 11
1.1 Pinout - PDIP/TQFP/VQFN/QFN/MLF for ATmega164A/164PA/324A/324PA/644A/644PA/1284/1284P 11
1.2 Pinout - DRQFN for ATmega164A/164PA/324A/324PA ................................. 12
1.3 Pinout - VFBGA for ATmega164A/164PA/324A/324PA.................................. 13
2Overview .................................................................................................................................... 13
2.1 Block diagram.................................................................................................. 14
2.2 Comparison between ATmega164A, ATmega164PA, ATmega324A, ATmega324PA, ATmega644A, AT-
mega644PA, ATmega1284 and ATmega1284P
...................................................................................................................................... 15
2.3 Pin Descriptions............................................................................................... 15
3 Resources ................................................................................................................................ 17
4 About code examples ....................................................................................................... 17
5 Data retention ......................................................................................................................... 17
6 Capacitive touch sensing ............................................................................................... 17
7 AVR CPU Core ....................................................................................................................... 18
7.1 Overview.......................................................................................................... 18
7.2 ALU – Arithmetic Logic Unit............................................................................. 19
7.3 Status Register ................................................................................................ 19
7.4 General Purpose Register File ........................................................................ 21
7.5 Stack Pointer ................................................................................................... 22
7.6 Instruction Execution Timing ........................................................................... 23
7.7 Reset and interrupt handling ........................................................................... 24
8 AVR memories ....................................................................................................................... 27
8.1 Overview.......................................................................................................... 27
8.2 In-System Reprogrammable Flash Program Memory ..................................... 27
8.3 SRAM data memory ........................................................................................ 28
8.4 EEPROM data memory ................................................................................... 30
8.5 I/O memory...................................................................................................... 31
8.6 Register Description ........................................................................................ 32
9 System clock and clock options ................................................................................ 38
9.1 Clock systems and their distribution ................................................................ 38
9.2 Clock Sources ................................................................................................. 39
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