ATTINY25-20SSH 查看數據表（PDF） - Atmel Corporation

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ATTINY25-20SSH

Atmel 8-bit AVR Microcontroller with 2/4/8K Bytes In-System Programmable Flash

Atmel Corporation 

should never be written.

2. I/O Registers within the address range 0x00 - 0x1F are directly bit-accessible using the SBI and CBI instructions. In these

registers, the value of single bits can be checked by using the SBIS and SBIC instructions.

3. Some of the Status Flags are cleared by writing a logical one to them. Note that, unlike most other AVRs, the CBI and SBI

instructions will only operation the specified bit, and can therefore be used on registers containing such Status Flags. The

CBI and SBI instructions work with registers 0x00 to 0x1F only.

ATtiny25/45/85 [DATASHEET]

8

2586PS–AVR–06/2013

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