
ZNEO Memory Layout UM017105-0511
302
Zilog Developer Studio II – ZNEO™
User Manual
can also be used in these ranges. The range 00_8000H–FF_7FFFH requires 32-bit
addresses. Figure 130 on page 302 shows the typical address layout of memory types
available in the ZNEO architecture.
Figure 130. Typical ZNEO Physical Memory Layout
Memory TypeAddress
FF_FFFFH
FF_E000H
FF_DFFFH
FF_C000H
FF_BFFFH
FF_B000H
00_8000H
00_7FFFH
00_0000H
Internal I/O and SFRs
External Memory or I/O
(optional)
Internal Random Access Memory
External Memory or I/O
(optional)
Internal Flash
(4K RAM Part)
FF_AFFFH
FF_7FFFH
FF_8000H
00_FFFFH
01_0000H
(64K Flash Part)
16-Bit
Addressable
16-Bit
Addressable
Internal Memory and I/O
Not to Scale
(Data)
(Data)
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