Rainbow-electronics AT90LS4433 Manual do Utilizador descarregar pdf (Página 113)

113

AT90S/LS4433

1042G–AVR–09/02

Notes: 1. For compatibility with future devices, reserved bits should be written to zero if accessed. Reserved I/O memory addresses

should never be written.

2. Some of the Status Flags are cleared by writing a logical “1” to them. Note that the CBI and SBI instructions will operate on

all bits in the I/O Register, writing a one back into any flag read as set, thus clearing the flag. The CBI and SBI instructions

work with registers $00 to $1F only.

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Rainbow-electronics AT90LS4433 Manual do Utilizador Página 113