Avago Technologies LSI53C1010R - Manual (Page 109)

SCSI Bus Interface Signals 3-15
Version 2.2 Copyright © 2000–2003 by LSI Logic Corporation. All rights reserved.
Table 3.12 SCSI Function B Control Signals
Name
1
1. LVD Mode: The negative and positive halves of the LVDlink signal pairs are shown for SCSI Function
B Control. SE Mode: The SCSI Function B Control signals are shown. All positive (+) signals are at
0 Volts.
Bump Type Strength Description
SCSI Function B Control includes the following signals:
B_SCD
−
B_SCD+
B_SIO
−
B_SIO+
B_SMSG
−
B_SMSG+
B_SREQ
−
B_SREQ+
B_SACK
−
B_SACK+
B_SBSY
−
B_SBSY+
B_SATN
−
B_SATN+
B_SRST
−
B_SRST+
B_SSEL
−
B_SSEL+
E16
D17
E17
D18
B16
D16
B18
C18
D14
E14
A15
B15
B14
D13
E15
A16
B17
C17
I/O SE:
48 mA
SCSI
LVD:
12 mA
UniLVD
SCSI phase line, command/data.
SCSI phase line, input/output.
SCSI phase line, message.
Data handshake line from target device.
Data handshake signal from the initiator device.
SCSI bus arbitration signal, busy.
SCSI Attention, the initiator is requesting a message
out phase.
SCSI bus reset.
SCSI bus arbitration signal, select device.