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ATMEGA328A の電気的特性と機能

ATMEGA328AのメーカーはATMEL Corporationです、この部品の機能は「8-bit Microcontroller SUMMARY」です。


製品の詳細 ( Datasheet PDF )

部品番号 ATMEGA328A
部品説明 8-bit Microcontroller SUMMARY
メーカ ATMEL Corporation
ロゴ ATMEL Corporation ロゴ 




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ATMEGA328A Datasheet, ATMEGA328A PDF,ピン配置, 機能
ATmega48A/PA/88A/PA/168A/PA/328/P
ATMEL 8-BIT MICROCONTROLLER WITH 4/8/16/32KBYTES
IN-SYSTEM PROGRAMMABLE FLASH
Features
DATASHEET
High Performance, Low Power Atmel®AVR® 8-Bit Microcontroller Family
Advanced RISC Architecture
̶ 131 Powerful Instructions – Most Single Clock Cycle Execution
̶ 32 x 8 General Purpose Working Registers
̶ Fully Static Operation
̶ Up to 20 MIPS Throughput at 20MHz
̶ On-chip 2-cycle Multiplier
High Endurance Non-volatile Memory Segments
̶ 4/8/16/32KBytes of In-System Self-Programmable Flash program memory
̶ 256/512/512/1KBytes EEPROM
̶ 512/1K/1K/2KBytes Internal SRAM
̶ Write/Erase Cycles: 10,000 Flash/100,000 EEPROM
̶ Data retention: 20 years at 85C/100 years at 25C(1)
̶ Optional Boot Code Section with Independent Lock Bits
In-System Programming by On-chip Boot Program
True Read-While-Write Operation
̶ Programming Lock for Software Security
Atmel® QTouch® library support
̶ Capacitive touch buttons, sliders and wheels
̶ QTouch and QMatrix® acquisition
̶ Up to 64 sense channels
Peripheral Features
̶ Two 8-bit Timer/Counters with Separate Prescaler and Compare Mode
̶ One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and
Capture Mode
̶ Real Time Counter with Separate Oscillator
̶ Six PWM Channels
̶ 8-channel 10-bit ADC in TQFP and QFN/MLF package
Temperature Measurement
̶ 6-channel 10-bit ADC in PDIP Package
Temperature Measurement
̶ Programmable Serial USART
̶ Master/Slave SPI Serial Interface
̶ Byte-oriented 2-wire Serial Interface (Philips I2C compatible)
̶ Programmable Watchdog Timer with Separate On-chip Oscillator
̶ On-chip Analog Comparator
̶ Interrupt and Wake-up on Pin Change
Atmel-8271I-AVR- ATmega-Datasheet_10/2014

1 Page





ATMEGA328A pdf, ピン配列
1. Pin Configurations
Figure 1-1.
Pinout ATmega48A/PA/88A/PA/168A/PA/328/P
32 TQFP Top View
28 PDIP
(PCINT19/OC2B/INT1) PD3
(PCINT20/XCK/T0) PD4
GND
VCC
GND
VCC
(PCINT6/XTAL1/TOSC1) PB6
(PCINT7/XTAL2/TOSC2) PB7
1
2
3
4
5
6
7
8
24 PC1 (ADC1/PCINT9)
23 PC0 (ADC0/PCINT8)
22 ADC7
21 GND
20 AREF
19 ADC6
18 AVCC
17 PB5 (SCK/PCINT5)
(PCINT14/RESET) PC6
(PCINT16/RXD) PD0
(PCINT17/TXD) PD1
(PCINT18/INT0) PD2
(PCINT19/OC2B/INT1) PD3
(PCINT20/XCK/T0) PD4
VCC
GND
(PCINT6/XTAL1/TOSC1) PB6
(PCINT7/XTAL2/TOSC2) PB7
(PCINT21/OC0B/T1) PD5
(PCINT22/OC0A/AIN0) PD6
(PCINT23/AIN1) PD7
(PCINT0/CLKO/ICP1) PB0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28 PC5 (ADC5/SCL/PCINT13)
27 PC4 (ADC4/SDA/PCINT12)
26 PC3 (ADC3/PCINT11)
25 PC2 (ADC2/PCINT10)
24 PC1 (ADC1/PCINT9)
23 PC0 (ADC0/PCINT8)
22 GND
21 AREF
20 AVCC
19 PB5 (SCK/PCINT5)
18 PB4 (MISO/PCINT4)
17 PB3 (MOSI/OC2A/PCINT3)
16 PB2 (SS/OC1B/PCINT2)
15 PB1 (OC1A/PCINT1)
28 MLF Top View
32 MLF Top View
(PCINT19/OC2B/INT1) PD3
(PCINT20/XCK/T0) PD4
VCC
GND
(PCINT6/XTAL1/TOSC1) PB6
(PCINT7/XTAL2/TOSC2) PB7
(PCINT21/OC0B/T1) PD5
1
2
3
4
5
6
7
NOTE: Bottom pad should be soldered to ground.
21 PC2 (ADC2/PCINT10)
20 PC1 (ADC1/PCINT9)
19 PC0 (ADC0/PCINT8)
18 GND
17 AREF
16 AVCC
15 PB5 (SCK/PCINT5)
(PCINT19/OC2B/INT1) PD3
(PCINT20/XCK/T0) PD4
GND
VCC
GND
VCC
(PCINT6/XTAL1/TOSC1) PB6
(PCINT7/XTAL2/TOSC2) PB7
1
2
3
4
5
6
7
8
NOTE: Bottom pad should be soldered to ground.
24 PC1 (ADC1/PCINT9)
23 PC0 (ADC0/PCINT8)
22 ADC7
21 GND
20 AREF
19 ADC6
18 AVCC
17 PB5 (SCK/PCINT5)
Table 1-1.
A
B
C
D
E
F
32UFBGA - Pinout ATmega48A/48PA/88A/88PA/168A/168PA
12345
PD2 PD1 PC6 PC4 PC2
PD3 PD4 PD0 PC5 PC3
GND
GND
ADC7
VDD
VDD
AREF
PB6 PD6 PB0 PB2 AVDD
PB7 PD5 PD7 PB1 PB3
6
PC1
PC0
GND
ADC6
PB5
PB4
ATmega48A/PA/88A/PA/168A/PA/328/P [DATASHEET]
Atmel-8271I-AVR- ATmega-Datasheet_10/2014
3


3Pages


ATMEGA328A 電子部品, 半導体
2. Overview
The ATmega48A/PA/88A/PA/168A/PA/328/P 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
ATmega48A/PA/88A/PA/168A/PA/328/P 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
Watchdog
Timer
Watchdog
Oscillator
Oscillator
Circuits /
Clock
Generation
EEPROM
Power
Supervision
POR / BOD &
RESET
Flash
debugWIRE
PROGRAM
LOGIC
SRAM
CPU
8bit T/C 0
8bit T/C 2
16bit T/C 1
Analog
Comp.
A/D Conv.
2
Internal
Bandgap
6
AVCC
AREF
GND
USART 0
SPI
TWI
PORT D (8)
PORT B (8)
PORT C (7)
RESET
XTAL[1..2]
PD[0..7]
PB[0..7]
PC[0..6]
ADC[6..7]
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 conventional CISC microcontrollers.
ATmega48A/PA/88A/PA/168A/PA/328/P [DATASHEET]
Atmel-8271I-AVR- ATmega-Datasheet_10/2014
6

6 Page



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共有リンク

Link :


部品番号部品説明メーカ
ATmega328

8-bit AVR Microcontrollers

ATMEL Corporation
ATMEL Corporation
ATMEGA328A

8-bit Microcontroller SUMMARY

ATMEL Corporation
ATMEL Corporation
ATmega328P

8-bit AVR Microcontrollers

ATMEL Corporation
ATMEL Corporation
ATmega328V

(ATmegaxxxP/V) 8-bit Microcontroller

ATMEL Corporation
ATMEL Corporation


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