Avago Technologies LSI53C1000R - Manual (Page 106)

3-12 Signal Descriptions
Version 2.2 Copyright © 2000–2003 by LSI Logic Corporation. All rights reserved.
Table 3.10 SCSI Control Signals
Name
1
1. LVD Mode: The negative and positive halves of LVDlink signal pairs are shown for SCSI Control.
SE Mode: The SCSI Control signals are shown. All positive (+) signals are at 0 Volts.
Bump Type Strength Description
SCD
−
SCD+
SIO
−
SIO+
SMSG
−
SMSG+
SREQ
−
SREQ+
SACK
−
SACK+
SBSY
−
SBSY+
SATN
−
SATN+
SRST
−
SRST+
SSEL
−
SSEL+
K3
K4
K5
J5
L2
L1
J2
J3
M5
L5
N3
N4
M4
N5
M1
M2
L4
K2
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.