Avago Technologies LSI53C320 - Manual (Page 38)

3-4 Signal Description
Version 2.2 Copyright © 2003 by LSI Logic Corporation. All rights reserved.
Table 3.2 describes the SCSI interface signals for the B Side of the
LSI53C320.
Table 3.2 SCSI B Side Interface Signals
Signal Name Pin Type Description
B_SSEL+
B_SSEL- H19
H18 I/O B Side Select signal.
B_SBSY+
B_SBSY- F18
E19 I/O B Side Busy signal.
B_SRST+
B_SRST- F20
G18 I/O B Side Reset signal.
B_SREQ+
B_SREQ- J20
J19 I/O B Side Request signal.
B_SACK+
B_SACK- F19
E20 I/O B Side Acknowledge signal.
B_SMSG+
B_SMSG- G20
G19 I/O B Side Message signal.
B_SCD+
B_SCD- J18
H20 I/O B Side Control and Data signal.
B_SIO+
B_SIO- K19
K18 I/O B Side Input and Output signal.
B_SATN+
B_SATN- D20
E18 I/O B Side Attention signal.
B_SDP[1:0]+
B_SDP[1:0]
−
A14, D19
C13, C20 I/O B Side Data Parity signals.
B_SD[15:0]+,
B_SD[15:0]
−
B13, C12, A12, C11, N19, M18,
M20, L18, C19, A19, B17, A18,
C16, A16, B15, C14
A13, B12, B11, A11, N20, M19,
L19, L20, B20, B18, C17, A17,
B16, C15, A15, B14
I/O B Side Data signals.
B_DIFFSENS B2 I B Side Differential Sense signal.
B_RBIAS D18 RBIAS LVD current control. Attach a 10
k
Ω
pull-up resistor on RBIAS to
provide the correct bias level.