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ATMEGA161 데이터시트 PDF




ATMEL Corporation에서 제조한 전자 부품 ATMEGA161은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 ATMEGA161 기능
기능 8-bit Microcontroller
제조업체 ATMEL Corporation
로고 ATMEL Corporation 로고


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ATMEGA161 데이터시트, 핀배열, 회로
Features
High-performance, Low-power AVR® 8-bit Microcontroller
Advanced RISC Architecture
– 130 Powerful Instructions – Most Single Clock Cycle Execution
– 32 x 8 General Purpose Working Registers
– Fully Static Operation
– Up to 8 MIPS Throughput at 8 MHz
– On-chip 2-cycle Multiplier
Program and Data Memories
– 16K Bytes of Non-volatile In-System Programmable Flash Endurance: 1,000
Write/Erase Cycles
– Optional Boot Code Memory with Independent Lock bits Self-programming of
Program and Data Memories
– 512 Bytes of Non-volatile In-System Programmable EEPROM Endurance: 100,000
Write/Erase Cycles
– 1K Byte of Internal SRAM
– Programming Lock for Software Security
Peripheral Features
– Two 8-bit Timer/Counters with Separate Prescaler and PWM
– Expanded 16-bit Timer/Counter System with Separate Prescaler, Compare,
Capture Modes and Dual 8-, 9-, or 10-bit PWM
– Dual Programmable Serial UARTs
– Master/Slave SPI Serial Interface
– Real-time Counter with Separate Oscillator
– Programmable Watchdog Timer with Separate On-chip Oscillator
– On-chip Analog Comparator
Special Microcontroller Features
– Power-on Reset
– External and Internal Interrupt Sources
– Three Sleep Modes: Idle, Power-save and Power-down
Power Comsumption at 4 MHz, 3.0V, 25°C
– Active 3.0 mA
– Idle Mode 1.2 mA
– Power-down Mode < 1 µA
I/O and Packages
– 35 Programmable I/O Lines
– 40-lead PDIP and 44-lead TQFP
Operating Voltages
– 2.7V - 5.5V for the ATmega161L
– 4.0V - 5.5V for the ATmega161
Speed Grades
– 0 - 4 MHz for the ATmega161L
– 0 - 8 MHz for the ATmega161
Commercial and Industrial Temperature Ranges
8-bit
Microcontroller
with 16K Bytes
of In-System
Programmable
Flash
ATmega161
ATmega161L
Disclaimer
Typical values contained in this data sheet are based on simulations and characteriza-
tion of other AVR microcontrollers manufactured on the same process technology.
Min and Max values will be available after the device is characterized.
Note: Not recommended in new
designs.
Rev. 1228D–AVR–02/07
1




ATMEGA161 pdf, 반도체, 판매, 대치품
Block Diagram
Figure 1. The ATmega161 Block Diagram
PA0-PA7
VCC
PC0-PC7
GND
PORTA DRIVERS
DATA REGISTER
PORTA
DATA DIR.
REG. PORTA
PORTC DRIVERS
DATA REGISTER
PORTC
8-BIT DATA BUS
DATA DIR.
REG. PORTC
PROGRAM
COUNTER
PROGRAM
FLASH
INSTRUCTION
REGISTER
INSTRUCTION
DECODER
CONTROL
LINES
PROGRAMMING
LOGIC
STACK
POINTER
SRAM
GENERAL
PURPOSE
REGISTERS
X
Y
Z
ALU
STATUS
REGISTER
SPI
INTERNAL
OSCILLATOR
WATCHDOG
TIMER
MCU CONTROL
REGISTER
TIMER/
COUNTERS
INTERRUPT
UNIT
EEPROM
OSCILLATOR
TIMING AND
CONTROL
UARTS
XTAL1
XTAL2
RESET
DATA REGISTER DATA DIR.
PORTB
REG. PORTB
DATA REGISTER
PORTD
DATA DIR.
REG. PORTD
DATA REG. DATA DIR
PORTE REG. PORTE
PORTB DRIVERS
PORTD DRIVERS
PORTE DRIVERS
PB0 - PB7
PD0 - PD7
PE0 - PE2
4 ATmega161(L)
1228D–AVR–02/07

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ATMEGA161 전자부품, 판매, 대치품
Architectural
Overview
ATmega161(L)
The fast-access Register File concept contains 32 x 8-bit general purpose working reg-
isters with a single clock cycle access time. This means that during one single clock
cycle, one Arithmetic Logic Unit (ALU) operation is executed. Two operands are output
from the Register File, the operation is executed and the result is stored back in the
Register File – in one clock cycle.
Six of the 32 registers can be used as three 16-bit indirect address register pointers for
Data Space addressing – enabling efficient address calculations. One of the three
address pointers is also used as the address pointer for the constant table look-up func-
tion. These added function registers are the 16-bit X-register, Y-register and Z-register.
The ALU supports arithmetic and logic functions between registers or between a con-
stant and a register. Single register operations are also executed in the ALU. Figure 4
shows the ATmega161 AVR RISC microcontroller architecture.
Figure 4. The ATmega161 AVR RISC Architecture
Data Bus 8-bit
8K x 16
Program
Memory
Instruction
Register
Instruction
Decoder
Control Lines
Program
Counter
Status
and Control
32 x 8
General
Purpose
Registers
ALU
1024 x 8
Data
SRAM
512 x 8
EEPROM
32
I/O Lines
Interrupt
Unit
SPI
Unit
Serial
UART0
Serial
UART1
8-bit
Timer/Counter
with PWM
and RTC
16-bit
Timer/Counter
with PWM
8-bit
Timer/Counter
with PWM
Watchdog
Timer
Analog
Comparator
1228D–AVR–02/07
7

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