Datasheet 搜索 > 微控制器 > Microchip（微芯） > ATMEGA328PB-AN 数据手册 > ATMEGA328PB-AN 用户编程技术手册 3/425 页
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ATMEGA328PB-AN 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-32
描述:
8位 MCU微控制单元, AVR ATmega Family ATmega328 Series Microcontrollers, 20 MHz, 32 KB, 2 KB, 32 引脚, TQFP
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P13P14P94P149P150P190P221P232P304Hot
原理图在P12P20P92P126P128P130P150P154P156P158P159P190
封装尺寸在P421P422
型号编码规则在P11
封装信息在P421
功能描述在P334
技术参数、封装参数在P376
应用领域在P52P64P65P67P79P80P112P113P339P343P344P358
电气规格在P336P376
型号编号列表在P376
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ATMEGA328PB-AN数据手册
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Table of Contents
Introduction......................................................................................................................1
Feature............................................................................................................................ 1
1. Description.................................................................................................................9
2. Configuration Summary...........................................................................................10
3. Ordering Information................................................................................................ 11
4. Block Diagram......................................................................................................... 12
5. Pin Configurations................................................................................................... 13
5.1. Pin Descriptions..........................................................................................................................14
6. I/O Multiplexing........................................................................................................16
7. Resources................................................................................................................17
8. Data Retention.........................................................................................................18
9. About Code Examples.............................................................................................19
10. AVR CPU Core........................................................................................................ 20
10.1. Overview.....................................................................................................................................20
10.2. ALU – Arithmetic Logic Unit........................................................................................................21
10.3. Status Register...........................................................................................................................21
10.4. General Purpose Register File................................................................................................... 23
10.5. Stack Pointer.............................................................................................................................. 24
10.6. Instruction Execution Timing...................................................................................................... 25
10.7. Reset and Interrupt Handling..................................................................................................... 25
11. AVR Memories.........................................................................................................28
11.1. Overview.....................................................................................................................................28
11.2. In-System Reprogrammable Flash Program Memory................................................................28
11.3. SRAM Data Memory...................................................................................................................29
11.4. EEPROM Data Memory............................................................................................................. 30
11.5. I/O Memory.................................................................................................................................31
11.6. Register Description................................................................................................................... 32
12. System Clock and Clock Options............................................................................ 42
12.1. Clock Systems and Their Distribution.........................................................................................42
12.2. Clock Sources............................................................................................................................ 43
12.3. Low Power Crystal Oscillator......................................................................................................44
12.4. Low Frequency Crystal Oscillator...............................................................................................46
12.5. Calibrated Internal RC Oscillator................................................................................................47
12.6. 128kHz Internal Oscillator.......................................................................................................... 48
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