GM82C765 controller equivalent, floppy disk subsystem controller.
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GM82C765B
Pin Configuration
RD WR CS AO DACK TC DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 DMA IRQ LDOR LDCR RST RDD
1 2 3 4 5 6 7 8 9 10 GM82C765B 11 12 13 14 15 16 17 18 19 .
the device provides qualification of interrupt and DMA requests. The disk drive interface of the GM82C765B connects dir.
The GM82C765B is a CMOS LSI device which interfaces a host microprocessor to the floppy disk drive. It integrates the function of the Formatter/Controller, Data Separator. Write Precompensation, Data rate selection, Clock Generation, High Current Out.
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