A.3 ahb signals, Table a-2 – SMC Networks ARM PL241 User Manual

Page 98

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Signal Descriptions

A-4

Copyright © 2006 ARM Limited. All rights reserved.

ARM DDI 0389B

A.3

AHB signals

Table A-2 lists the AHB signals.

where:

<x> = 0 or C, where

C

= Configuration.

Table A-2 AHB signals

Name

Type

Source/

destination

Description

hsel<x>

Input

AHB

Transfer is to this port

haddr<x>[31:0]

Input

AHB

Address of transfer

htrans<x>[1:0]

Input

AHB

Transfer type

hwrite<x>

Input

AHB

Transfer is write or read

hsize<x>[2:0]

Input

AHB

Size of transfer

hburst<x>[2:0]

Input

AHB

Burst type of transfer

hprot<x>[3:0]

Input

AHB

Protection of transfer

hwdata<x>[31:0]

Input

AHB

Write data

hmastlock<x>

Input

AHB

Locked transfer

hready<x>

Input

AHB

System ready

hrdata<x>[31:0]

Output

AHB

Read data

hreadyout<x>

Output

AHB

Slave ready

hresp<x>[1:0]

Output

AHB

Slave response

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