Epson arm.powered arm720t Manuel D’Utilisation
6: The Bus Interface
6-4
EPSON
ARM720T CORE CPU MANUAL
The AHB bus master interface signals are shown in Figure 6-2.
Figure 6-2 AHB bus master interface
A HB master
HBUSREQ
HLOCK
HREADY
HRESETn
HWRITE
HCLKEN
HCLK
HTRANS[1:0]
HRDATA[31:0]
HWDATA[31:0]
HPROT[3:0]
HBURST[2:0]
HSIZE[2:0]
HADDR[31:0]
HRESP[1:0]
HGRANT
A rbiter grant
Data
Reset
Clock
Transf er type
Data
A ddress
and control
and control
A rbiter
Transf er
response