5 scsi b differential interface pins, Scsi b differential interface pins, Scsi b differential signal description – Avago Technologies LSI53C120 User Manual
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3-6
Specifications
3.1.5 SCSI B Differential Interface Pins
lists the High Voltage Differential (HVD) interface pins
associated with the 128-pin Plastic Quad Flat Pack (PQFP).
Table 3.3
SCSI B Differential Signal Description
SCSI B
Differential
Pin
Type
Strength
Description
B_SDIR(15-0)
114, 117, 118,
119, 51, 52, 54,
55, 103, 104,
106, 107, 108,
109, 111, 112
O
4 mA
Driver direction control for SCSI data line
B_SDIRP(1-0)
113, 102
O
4 mA
Driver direction control for SCSI parity signals
B_CD_DIR
59
O
4 mA
Driver direction control for CD/
B_IO_DIR
56
O
4 mA
Driver direction control for IO/
B_MSGDIR
61
O
4 mA
Driver direction control for MSG/
B_REQDIR
57
O
4 mA
Driver direction control for REQ/
B_ACKDIR
64
O
4 mA
Driver direction control for ACK/
B_BSYDIR
65
O
4 mA
Driver direction control for BSY/
B_ATNDIR
101
O
4 mA
Driver direction control for ATN/
B_SELDIR
60
O
4 mA
Driver direction control for SEL/
B_RSTDIR
62
O
4 mA
Driver direction control for RST/