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2 scsi function b signals, Table 3.11 scsi function b signals, Scsi function b signals – Avago Technologies LSI53C1010R User Manual

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SCSI Bus Interface Signals

3-13

Version 2.2

Copyright © 2000–2003 by LSI Logic Corporation. All rights reserved.

3.4.2 SCSI Function B Signals

This section describes the SCSI Function B Signals group.

Table 3.11

describes the SCSI Function B Signals and

Table 3.12

describes the

SCSI Function B Control Signals.

Table 3.11

SCSI Function B Signals

Name

Bump

Type

Strength

Description

B_SD[15:0]

D8, E8, C6, A3, B21,
D19, E18, A19, E13,
A12, B11, B10, D10,
C9, D9, B8

I/O

SE:

48 mA

SCSI

LVD:

12 mA

UniLVD

SCSI Function B Data.

LVD Mode: Negative half of the LVD Link
pair for the SCSI data lines. B_SD[15:0]

form the 16-bit SCSI data bus.

SE Mode: B_SD[15:0]

form the 16-bit

SCSI data bus.

B_SD[15:0]+

B7, B6, B5, A4, A23,
B20, A20, B19, E12,
B12, D11, C10, E11,
E10, B9, A8

I/O

SE:

48 mA

SCSI

LVD:

12 mA

UniLVD

SCSI Function B Data.

LVD Mode: Positive half of the LVD Link
pair for the SCSI data lines.
B_SD[15:0]+ form the 16-bit data bus.

SE Mode: B_SD[15:0]+ are at 0 V.

B_SDP[1:0]

A7, D12

I/O

SE:

48 mA

SCSI

LVD:

12 mA

UniLVD

SCSI Function B Parity.

LVD Mode: Negative half of the
LVD Link pair for the SCSI parity lines.
B_SDP[1:0]

are the SCSI data parity

lines.

SE Mode: B_SDP[1:0]

are the SCSI

data parity lines.

B_SDP[1:0]+

E9, C13

I/O

SE:

48 mA

SCSI

LVD:

12 mA

UniLVD

SCSI Function B Parity.

LVD Mode: Positive half of the LVD Link
pair for the SCSI parity lines.
B_SDP[1:0]+ are the SCSI data parity
lines.

SE Mode: B_SDP[1:0]+ are at 0 V.