A.3. AHB signals

Table A.2 lists the AHB signals.

Table A.2. AHB signals

NameType

Source/

destination

Description
hsel<x>InputAHBTransfer is to this port
haddr<x>[31:0]InputAHBAddress of transfer
htrans<x>[1:0]InputAHBTransfer type
hwrite<x>InputAHBTransfer is write or read
hsize<x>[2:0]InputAHBSize of transfer
hburst<x>[2:0]InputAHBBurst type of transfer
hprot<x>[3:0]InputAHBProtection of transfer
hwdata<x>[31:0]InputAHBWrite data
hmastlock<x>InputAHBLocked transfer
hready<x>InputAHBSystem ready
hrdata<x>[31:0]OutputAHBRead data
hreadyout<x>OutputAHBSlave ready
hresp<x>[1:0]OutputAHBSlave response

where:

<x> = 0, 1, 2, 3, 4, 5 or c, where c = configuration.

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