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ATMEGA164P-20MCU

ATMEGA164P-20MCU首页预览图
型号: ATMEGA164P-20MCU
PDF文件:
  • ATMEGA164P-20MCU PDF文件
  • ATMEGA164P-20MCU PDF在线浏览
功能描述: 8-bit Microcontroller with 16/32/64K Bytes In-System Programmable Flash
PDF文件大小: 515.73 Kbytes
PDF页数: 共26页
制造商: ATMEL[ATMEL Corporation]
制造商LOGO: ATMEL[ATMEL Corporation] LOGO
制造商网址: http://www.atmel.com
捡单宝ATMEGA164P-20MCU
PDF页面索引
120%
4
8011KS–AVR–09/08
ATmega164P/324P/644P
2. Overview
The ATmega164P/324P/644P is a low-powe r 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 ve rsus 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 achiev ing 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
16bit T/C 1
8bit T/C 2
8bit 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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