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UM017105-0511 Linker Command Files for C Programs
Zilog Developer Studio II – ZNEO™
User Manual
189
The linker depicts the memory of the ZNEO CPU using a hierarchical memory model con-
taining spaces and segments. Each memory region of the CPU is associated with a space.
Multiple segments can belong to a given space. Each space has a range associated with it
that identifies valid addresses for that space. The hierarchical memory model for the
ZNEO CPU is shown in Figure 128. Figure 129 depicts how the linker links and locates
segments in different object modules.
For a more detailed description of the linker and the various commands it supports, see the
Using the Linker/Locator
chapter on page 259.
Figure 128. ZNEO Hierarchical Memory Model
ZNeo Memory
Spaces
RAM Space ERAM Space
NEAR_BSS
Se
g
men
t
NEAR_DATA
Se
g
men
t
FAR_BSS
Segment
FAR_DATA
Segment
ROM Space
ROM_DAT A
Segment
ROM_TEXT
Segment
NEAR_TEXT
Segment
FAR_TEXT
Segment
EROM_DATA
Se
g
men
t
CODE
Segment
__VECTORS
Segment
STARTUP
Segment
EROM Space
EROM_TEXT
Se
g
men
t
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