Computer Hardware User Manual

1: Introduction
1-2 EPSON ARM720T CORE CPU MANUAL
A block diagram of the ARM720T processor is shown in Figure 1-1.
Figure 1-1 720T Block diagram
MMU
Data and
address
buffers
AMBA
interf ac e
8KB cache
Control and
clocking logic
ARM720T core
System control
coprocessor
Virtual address bus
AMBA AHB
bus interface
JTAG debug
interf ac e
ETM interface
Coprocessor
interf ac e
Internal data bus
ARM720T