Datasheet 搜索 > 微控制器 > ATMEL（爱特美尔） > ATTINY85-20MUR 数据手册 > ATTINY85-20MUR 用户编程技术手册 4/235 页
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ATTINY85-20MUR 用户编程技术手册 - ATMEL（爱特美尔）
制造商:
ATMEL（爱特美尔）
分类:
微控制器
封装:
MLF-20
描述:
ATtiny 系列 8 KB 闪存 512 B SRAM 20 MHz 8-位 微控制器 - MLF-20
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P2P55Hot
典型应用电路图在P114
原理图在P4P7P53P65P68P69P71P84P85P96P97P108
封装尺寸在P207P208P209P210P211P218
型号编码规则在P204P205P206P220P221
封装信息在P207
功能描述在P109
应用领域在P32
电气规格在P53P139P220
导航目录
ATTINY85-20MUR数据手册
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4
ATtiny25/45/85 [DATASHEET]
2586Q–AVR–08/2013
2. Overview
The ATtiny25/45/85 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 ATtiny25/45/85 achieves throughputs approaching 1
MIPS per MHz allowing the system 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 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 conventional CISC microcontrollers.
PROGRAM
COUNTER
CALIBRATED
INTERNAL
OSCILLATOR
WATCHDOG
TIMER
STACK
POINTER
PROGRAM
FLASH
SRAM
MCU CONTROL
REGISTER
GENERAL
PURPOSE
REGISTERS
INSTRUCTION
REGISTER
TIMER/
COUNTER0
SERIAL
UNIVERSAL
INTERFACE
TIMER/
COUNTER1
INSTRUCTION
DECODER
DATA DIR.
REG.PORT B
DATA REGISTER
PORT B
PROGRAMMING
LOGIC
TIMING AND
CONTROL
MCU STATUS
REGISTER
STATUS
REGISTER
ALU
PORT B DRIVERS
PB[0:5]
VCC
GND
CONTROL
LINES
8-BIT DATABUS
Z
ADC /
ANALOG COMPARATOR
INTERRUPT
UNIT
DATA
EEPROM
OSCILLATORS
Y
X
RESET
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