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世纪芯ATTINY22L单片机破解案例

时间:2011-04-14 09:11:23

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ATTINY22L芯片特点:
·Utilizes the AVR RISC Architecture
·AVR - High-performance and Low-power RISC Architecture
– 118 Powerful Instructions - Most Single Clock Cycle Execution
– 32 x 8 General Purpose Working Registers
– Up to 1MIPS Throughput at 1MHz
·Data and Nonvolatile Program Memory
– 2K Bytes of In-System Programmable Flash
Endurance 1,000 Write/Erase Cycles
– 128 Bytes of internal SRAM
– 128 Bytes of In-System Programmable EEPROM
Endurance: 100,000 Write/Erase Cycles
– Programming Lock for Flash Program and EEPROM Data Security
·Peripheral Features
– One 8-bit Timer/Counter with Separate Prescaler
– Programmable Watchdog Timer with On-chip Oscillator
– SPI Serial Interface for In-System Programming
·Special Microcontroller Features
– Low-power Idle and Power Down Modes
– External and Internal Interrupt Sources
– Power-on Reset Circuit
– On-chip RC Oscillator
·Specifications
– Low-power, High-speed CMOS Process Technology
– Fully Static Operation
·Power Consumption at 3V, 25°C
– Active: 1.5 mA
– Idle Mode: 100 uA
– Power Down Mode: <1 uA
·I/O and Packages
– 5 Programmable I/O Lines
– 8-pin PDIP and SOIC
·Operating Voltages
– 2.7 - 6.0V
·Speed Grade
– Internal Oscillator ~1MHz @ 5.0V

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