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1 signal descriptions, Figure3.3 lsi53c140 functional signal grouping, Signal descriptions – Avago Technologies LSI53C140 User Manual

Page 40: Lsi53c140 functional signal grouping

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3-6

LSI53C140 Specifications

Ver. 2.1

Copyright © 1998–2001 by LSI Logic Corporation. All rights reserved.

3.1.1 Signal Descriptions

This section provides the descriptions for the signals associated with the
LSI53C140.

Figure 3.3

illustrates the functional signal grouping for the

LSI53C140.

Figure 3.3

LSI53C140 Functional Signal Grouping

A_SSEL+
A_SSEL-
A_SBSY+
A_SBSY-
A_SRST+
A_SRST-
A_SREQ+
A_SREQ-
A_SACK+
A_SACK-
A_SMSG+
A_SMSG-
A_SCD+
A_SCD-
A_SIO+
A_SIO-
A_SATN+
A_SATN-
A_SDP[1:0]+
A_SDP[1:0]-
A_SD[15:0]+
A_SD[15:0]-

A_DIFFSENS
A_HVD_MODE

RESET/
WS_ENABLE/
XFER_ACTIVE
CLOCK

B_SSEL+

B_SSEL-

B_SBSY+

B_SBSY-

B_SRST+

B_SRST-

B_SREQ+

B_SREQ-

B_SACK+

B_SACK-

B_SMSG+

B_SMSG-

B_SCD+

B_SCD-

B_SIO+

B_SIO-

B_SATN+

B_SATN-

B_SDP[1:0]+

B_SDP[1:-0]-

B_SD[15:0]+

B_SD[15:0]-

B_DIFFSENS

B_HVD_MODE

BSY_LED

A-Side

LVD, HVD, or SE

SCSI Interface

B-Side

LVD, HVD, or SE

SCSI Interface

Control Signals

LSI53C140