PPC7A Product Manual
8-1
Chapter 8 - Functional Description
This chapter gives a detailed description of the PPC7A’s functional blocks. For a general description of
the board and its features, see Chapter 2.
Figure 8.1 – Block Diagram
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Notes:
1.
Due to the increasingly short lifetimes of system components, the I/O devices used on the PPC7A
are not
guaranteed to remain fixed in the future.
2.
Hardware should be accessed only through mechanisms provided by the Operating System’s “Hardware
Independence” mechanism (BSP, HAL, residual data, etc.), and not directly by application software.
3.
If a standard operating system is not being used, then it is recommended that applications are written in
such a way as to minimize direct access to hardware resources, bearing in mind that changes may be
necessary to support future iterations of the hardware.
4.
Radstone supported Operating Systems guarantee compatibility at the application level through the
Hardware Independence mechanisms mentioned above.
1
st
Edition
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