function register 예문

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1. The H08 places special function registers at 0x000 0x07F and global RAM at 0x080 0x0FF, zero-extending the address.
2. Each consists of a latch ( Special Function Registers P0 through P3 ), an output driver, and an input buffer.
3. Most are simply general-purpose storage ( RAM ), while some locations are reserved for " special function registers ".
4. These are the 16 IRAM locations from 0x20 0x2F, and the 16 special function registers 0x80, 0x88, 0x90, &, 0xF8.
5. For example, the PIC18 allows direct access to RAM at 0x000 0x07F or special function registers at 0xF80 0xFFF by sign-extending an 8-bit address.