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ATTINY43U_1 Datasheet, PDF (1/182 Pages) ATMEL Corporation – 8-bit Microcontroller with 4K Bytes In-System Programmable Flash and Boost Converter | |||
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Features
⢠High Performance, Low Power AVR® 8-Bit Microcontroller
⢠Advanced RISC Architecture
â 120 Powerful Instructions â Most Single Clock Cycle Execution
â 32 x 8 General Purpose Working Registers
â Fully Static Operation
⢠Non-Volatile Program and Data Memories
â 4K Bytes of In-System Programmable Program Memory Flash
â 64 Bytes of In-System Programmable EEPROM
â 256 Bytes of Internal SRAM
â Write/Erase Cycles: 10,000 Flash/ 100,000 EEPROM
â Data retention: 20 years at 85°C/ 100 years at 25°C(1)
â Programming Lock for Software Security
⢠Peripheral Features
â Two 8-Bit Timer/Counters with two PWM Channels, Each
â Programmable Watchdog Timer with Separate On-chip Oscillator
â On-Chip Analog Comparator
â 10-bit ADC
4 Single-Ended Channels
â Universal Serial Interface
â Boost Converter
⢠Special Microcontroller Features
â debugWIRE On-chip Debug System
â In-System Programmable via SPI Port
â External and Internal Interrupt Sources
â Pin Change Interrupt on 16 Pins
â Low Power Idle, ADC Noise Reduction and Power-Down Modes
â Enhanced Power-On Reset Circuit
â Programmable Brown-Out Detection Circuit
â Internal Calibrated Oscillator
â Temperature Sensor On Chip
⢠I/O and Packages
â Available in 20-Pin SOIC and 20-Pin QFN/MLF
â 16 Programmable I/O Lines
⢠Operating Voltage:
â 0.7 â 1.8V (via On-Chip Boost Converter)
â 1.8 â 5.5V (Boost Converter Bypassed)
⢠Speed Grade
â Using On-Chip Boost Converter
0 â 4 MHz
â External Power Supply
0 â 4 MHz @ 1.8 â 5.5V
0 â 8 MHz @ 2.7 â 5.5V
⢠Low Power Consumption
â Active Mode, 1 MHz System Clock (Without Boost Converter)
400 µA @ 3V
â Power-Down Mode (Without Boost Converter)
150 nA @ 3V
Note: 1. See âData Retentionâ on page 6 for details.
8-bit
Microcontroller
with 4K Bytes
In-System
Programmable
Flash and Boost
Converter
ATtiny43U
Preliminary
Rev. 8048BâAVRâ03/09
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