TMP86F809NG Datasheet, PDF (58/200 Pages) Toshiba Semiconductor – 8 Bit Microcontroller

4. Special Function Register (SFR)
4.2 DBR
TMP86F809NG
Note 2: − ; Cannot be accessed.
Note 3: Write-only registers and interrupt latches cannot use the read-modify-write instructions (Bit manipulation instructions such
as SET, CLR, etc. and logical operation instructions such as AND, OR, etc.).
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