ATtiny43U 반도체 회로 부품 판매점
Microcontroller
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 ATMEL Corporation |
Features
• High Performance, Low Power AVR® 8-bit Microcontroller
• Advanced RISC Architecture
– 123 Powerful Instructions – Most Single Clock Cycle Execution
– 32 x 8 General Purpose Working Registers
– Fully Static Operation
• Non-volatile Program and Data Memories
– 4K Bytes of In-System Programmable Program Memory Flash
– 64 Bytes of In-System Programmable EEPROM
– 256 Bytes of Internal SRAM
– Write/Erase Cycles: 10,000 Flash/ 100,000 EEPROM
– Data Retention: 20 years at 85°C/ 100 years at 25°C
– Programming Lock for Software Security
• Peripheral Features
– QTouch® Library Support for Capacitive Touch Sensing (8 Channels)
– Two 8-bit Timer/Counters with two PWM Channels, Each
– Programmable Watchdog Timer with Separate On-chip Oscillator
– On-chip Analog Comparator
– 10-bit ADC
• 4 Single-ended Channels
– Universal Serial Interface
– Boost Converter
• Special Microcontroller Features
– debugWIRE On-chip Debug System
– In-System Programmable via SPI Port
– External and Internal Interrupt Sources
– Pin Change Interrupt on 16 Pins
– Low Power Idle, ADC Noise Reduction and Power-down Modes
– Enhanced Power-on Reset Circuit
– Programmable Brown-out Detection Circuit
– Internal Calibrated Oscillator
– Temperature Sensor On-chip
• I/O and Packages
– Available in 20-pin SOIC and 20-pin QFN/MLF
– 16 Programmable I/O Lines
• Operating Voltage:
– 0.7 – 1.8V (via On-chip Boost Converter)
– 1.8 – 5.5V (Boost Converter Bypassed)
• Speed Grade
– Using On-chip Boost Converter
• 0 – 4 MHz
– External Power Supply
• 0 – 4 MHz @ 1.8 – 5.5V
• 0 – 8 MHz @ 2.7 – 5.5V
• Low Power Consumption
– Active Mode, 1 MHz System Clock
• 400 µA @ 3V (Without Boost Converter)
– Power-down Mode
• 150 nA @ 3V (Without Boost Converter)
8-bit
Microcontroller
with 4K Bytes
In-System
Programmable
Flash and Boost
Converter
ATtiny43U
Rev. 8048C–AVR–02/12
1. Pin Configurations
Figure 1-1. Pinout of ATtiny43U
SOIC
(T0/PCINT8) PB0
(OC0A/PCINT9) PB1
(OC0B/PCINT10) PB2
(T1/CLKO/PCINT11) PB3
(DI/OC1A/PCINT12) PB4
(DO/OC1B/PCINT13) PB5
(USCK/SCL/PCINT14) PB6
(INT0/PCINT15) PB7
VCC
GND
1
2
3
4
5
6
7
8
9
10
20 PA7 (RESET/dW/PCINT7)
19 PA6 (CLKI/PCINT6)
18 PA5 (AIN1/PCINT5)
17 PA4 (AIN0/PCINT4)
16 PA3 (ADC3/PCINT3)
15 PA2 (ADC2/PCINT2)
14 PA1 (ADC1/PCINT1)
13 PA0 (ADC0/PCINT0)
12 VBAT
11 LSW
QFN/MLF Top View
(OC0B/PCINT9) PB2
(T1/CLKO/PCINT11) PB3
(DI/OC1A/PCINT12) PB4
(DO/OC1B/PCINT13) PB5
(USCK/SCL/PCINT14) PB6
1
2
3
4
5
15 PA4 (AIN0/PCINT4)
14 PA3 (ADC3/PCINT3)
13 PA2 (ADC2/PCINT2)
12 PA1 (ADC1/PCINT1)
11 PA0 (ADC0/PCINT0)
NOTE: Bottom pad should
be Soldered to ground.
1.1 Pin Descriptions
1.1.1
VCC
Supply voltage.
1.1.2 GND
Ground.
1.1.3
Port A (PA7:PA0)
Port A is a 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The
Port A output buffers have symmetrical drive characteristics with both high sink and source
2 ATtiny43U
8048C–AVR–02/12
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제조업체: ATMEL Corporation
( atmel )
ATtiny43U controller
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국내 전력반도체 판매점
상호 : 아이지 인터내셔날
전화번호 : 051-319-2877
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