Datasheet 搜索 > 微控制器 > Microchip（微芯） > ATMEGA32A-AU 数据手册 > ATMEGA32A-AU 用户编程技术手册 3/414 页
器件3D模型￥ 7.188
ATMEGA32A-AU 用户编程技术手册 - Microchip（微芯）
制造商:
Microchip（微芯）
分类:
微控制器
封装:
TQFP-44
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P13P76P105P106P140P162P180P183P191P253Hot
原理图在P12P21P74P106P110P111P114P115P140P142P143P144
封装尺寸在P406P407P408
型号编码规则在P11P413
封装信息在P11P406
技术参数、封装参数在P359
应用领域在P53P63P67P311P315P327P328P414
电气规格在P69P74P75P359P413
导航目录
ATMEGA32A-AU数据手册
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Table of Contents
Introduction......................................................................................................................1
Features.......................................................................................................................... 1
1. Description.................................................................................................................9
2. Configuration Summary...........................................................................................10
3. Ordering Information................................................................................................ 11
4. Block Diagram......................................................................................................... 12
5. Pin Configurations................................................................................................... 13
5.1. V
CC
............................................................................................................................................. 14
5.2. GND............................................................................................................................................14
5.3. PortA (PA7:PA0).........................................................................................................................14
5.4. Port B (PB7:PB0)........................................................................................................................15
5.5. Port C (PC7:PC0).......................................................................................................................15
5.6. Port D (PD7:PD0).......................................................................................................................15
5.7. RESET........................................................................................................................................15
5.8. XTAL1.........................................................................................................................................16
5.9. XTAL2.........................................................................................................................................16
5.10. AV
CC
........................................................................................................................................... 16
5.11. AREF..........................................................................................................................................16
6. Resources................................................................................................................17
7. Data Retention.........................................................................................................18
8. About Code Examples.............................................................................................19
9. Capacitive Touch Sensing....................................................................................... 20
10. AVR CPU Core........................................................................................................ 21
10.1. Overview.....................................................................................................................................21
10.2. ALU – Arithmetic Logic Unit........................................................................................................22
10.3. Status Register...........................................................................................................................22
10.4. General Purpose Register File................................................................................................... 24
10.5. Stack Pointer.............................................................................................................................. 25
10.6. Instruction Execution Timing...................................................................................................... 26
10.7. Reset and Interrupt Handling..................................................................................................... 27
11. AVR Memories.........................................................................................................29
11.1. Overview.....................................................................................................................................29
11.2. In-System Reprogrammable Flash Program Memory................................................................29
11.3. SRAM Data Memory...................................................................................................................30
11.4. EEPROM Data Memory............................................................................................................. 31
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