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4.1
Address Areas
Table 4.1 lists the parameters for address areas (Area) that can be specified with HDI command
line interface or displayed as trace results.
Table 4.1
Address Area Parameters
HDI Parameter
(Trace Display)
rom
ram
IO16
(I/O-16)
IO8
(I/O-8)
ext16
(EXT-16)
ext8
(EXT-8)
Dtcram
(RAM/DTC)
Note: When SIMM memory module is used for the external area, memory will always be
accessed via 16-bit bus. Therefore, the Trace window will always display EXT-16.
Section 4 HDI Parameters
Address Area
On-chip ROM
On-chip RAM
Internal I/O registers
(16-bit bus)
Internal I/O registers
(8-bit bus)
External area
(16-bit bus)
External area
(8-bit bus)
DTC RAM
Description
MCU's on-chip ROM, which can be
read but cannot be written to.
MCU's on-chip RAM (except for DTC
RAM), which can be read and written
to.
MCU's internal I/O registers for the 16-
bit bus.
MCU's internal I/O registers for the
8-bit bus.
External area for the 16-bit bus, which
can be allocated to the user system
memory or the optional SIMM memory
module in the E6000.
External area for the 8-bit bus, which
can be allocated to the user system
memory or the optional SIMM memory
module in the E6000.*
MCU's on-chip RAM for DTC.
11
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