2 scsi function b signals, Table 3.11 scsi function b signals, Scsi function b signals – Avago Technologies LSI53C1010R User Manual
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SCSI Bus Interface Signals
3-13
Version 2.2
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3.4.2 SCSI Function B Signals
This section describes the SCSI Function B Signals group.
describes the SCSI Function B Signals and
describes the
SCSI Function B Control Signals.
Table 3.11
SCSI Function B Signals
Name
Bump
Type
Strength
Description
B_SD[15:0]
−
D8, E8, C6, A3, B21,
D19, E18, A19, E13,
A12, B11, B10, D10,
C9, D9, B8
I/O
SE:
48 mA
SCSI
LVD:
12 mA
UniLVD
SCSI Function B Data.
LVD Mode: Negative half of the LVD Link
pair for the SCSI data lines. B_SD[15:0]
−
form the 16-bit SCSI data bus.
SE Mode: B_SD[15:0]
−
form the 16-bit
SCSI data bus.
B_SD[15:0]+
B7, B6, B5, A4, A23,
B20, A20, B19, E12,
B12, D11, C10, E11,
E10, B9, A8
I/O
SE:
48 mA
SCSI
LVD:
12 mA
UniLVD
SCSI Function B Data.
LVD Mode: Positive half of the LVD Link
pair for the SCSI data lines.
B_SD[15:0]+ form the 16-bit data bus.
SE Mode: B_SD[15:0]+ are at 0 V.
B_SDP[1:0]
−
A7, D12
I/O
SE:
48 mA
SCSI
LVD:
12 mA
UniLVD
SCSI Function B Parity.
LVD Mode: Negative half of the
LVD Link pair for the SCSI parity lines.
B_SDP[1:0]
−
are the SCSI data parity
lines.
SE Mode: B_SDP[1:0]
−
are the SCSI
data parity lines.
B_SDP[1:0]+
E9, C13
I/O
SE:
48 mA
SCSI
LVD:
12 mA
UniLVD
SCSI Function B Parity.
LVD Mode: Positive half of the LVD Link
pair for the SCSI parity lines.
B_SDP[1:0]+ are the SCSI data parity
lines.
SE Mode: B_SDP[1:0]+ are at 0 V.