Datasheet 搜索 > 8位微控制器 > ATMEL（爱特美尔） > ATMEGA324P-20MU 数据手册 > ATMEGA324P-20MU 用户编程技术手册 4/506 页
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ATMEGA324P-20MU 用户编程技术手册 - ATMEL（爱特美尔）
制造商:
ATMEL（爱特美尔）
分类:
8位微控制器
封装:
VQFN-44
描述:
ATMEL ATMEGA324P-20MU 微控制器, 8位, 低功率高性能, ATmega, 20 MHz, 32 KB, 2 KB, 44 引脚, VQFN
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P2P6P74P93P111P139P494Hot
原理图在P4P9P72P93P94P96P97P112P117P118P120P122
封装尺寸在P489P490P491
型号编码规则在P486P487P488P494P495
封装信息在P489P494P495
应用领域在P41P50P62P65P276P280P293P294
导航目录
ATMEGA324P-20MU数据手册
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4
8011Q–AVR–02/2013
ATmega164P/324P/644P
2. Overview
The ATmega164P/324P/644P 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
ATmega164P/324P/644P achieves throughputs approaching 1 MIPS per MHz allowing the sys-
tem designer to optimize power consumption versus processing speed.
2.1 Block Diagram
Figure 2-1. Block Diagram
The AVR core combines a rich instruction set with 32 general purpose working registers. All the
32 registers are directly connected to the Arithmetic Logic Unit (ALU), allowing two independent
registers to be accessed in one single instruction executed in one clock cycle. The resulting
architecture is more code efficient while achieving throughputs up to ten times faster than con-
ventional CISC microcontrollers.
CPU
GND
VCC
RESET
Power
Supervision
POR / BOD &
RESET
Watchdog
Oscillator
Watchdog
Timer
Oscillator
Circuits /
Clock
Generation
XTAL1
XTAL2
PORT A (8)
PORT D (8)
PD7..0
PORT C (8)
PC5..0
TWI
SPI
EEPROM
JTAG/OCD
16 bit T/C 1
8 bit T/C 2
8 bit T/C 0
SRAMFLASH
USART 0
Internal
Bandgap reference
Analog
Comparator
A/D
Converter
PA7..0
PORT B (8)
PB7..0
USART 1
TOSC1/PC6TOSC2/PC7
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