參數(shù)資料
型號: MR80C52EXXX-25/883
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 25 MHz, MICROCONTROLLER, CQCC44
封裝: LCC-44
文件頁數(shù): 39/46頁
文件大小: 4720K
代理商: MR80C52EXXX-25/883
5
ATtiny20 [DATASHEET]
8235E–AVR–03/2013
2.
Overview
ATtiny20 is a low-power CMOS 8-bit microcontroller based on the compact AVR enhanced RISC architecture. By
executing powerful instructions in a single clock cycle, the ATtiny20 achieves throughputs approaching 1 MIPS per MHz
allowing the system designer to optimize power consumption versus processing speed.
Figure 2-1.
Block Diagram
STACK
POINTER
SRAM
PROGRAM
COUNTER
PROGRAMMING
LOGIC
ISP
INTERFACE
INTERNAL
OSCILLATOR
WATCHDOG
TIMER
RESET FLAG
REGISTER
MCU STATUS
REGISTER
TIMER/
COUNTER0
CALIBRATED
OSCILLATOR
TIMING AND
CONTROL
INTERRUPT
UNIT
ANALOG
COMPARATOR
ADC
GENERAL
PURPOSE
REGISTERS
X
Y
Z
ALU
STATUS
REGISTER
PROGRAM
FLASH
INSTRUCTION
REGISTER
INSTRUCTION
DECODER
CONTROL
LINES
VCC
RESET
DATA REGISTER
PORT A
DIRECTION
REG. PORT A
DRIVERS
PORT A
GND
PA[7:0]
8-BIT DATA BUS
TIMER/
COUNTER1
TWI
SPI
DATA REGISTER
PORT B
DIRECTION
REG. PORT B
DRIVERS
PORT B
PB[3:0]
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