SCSI Bus Interface
ln Table 7-1, the eight data bit signals are represented by DBO
through DB7, where DB7 is the most significant bit and has the
highest priority during the Arbitration Phase. Bit number,
significance, and priority decrease downward to DBO. The parity,
represented by the DBP signal, is always odd.
Host adapters and
controllers on the SCSI bus can generate parity and have parity
detection enabled. During the Arbitration Phase, parity is not
guaranteed to be valid.
Pin/signal assignments for the MD21 SCSI bus interface are listed
in Table 7-2; they support the SCSI single-ended option.
7-6 Interfaces
Содержание MD21/S2
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