Rabbit OP7100 User Manual Page 100

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OP7100100
Memory, I/O Map, and Interrupt Vectors
OP7100 Memory
Figure C-1 shows the memory map of the 1M address space.
Figure C-1. Memory Map of 1M Address Space
Figure C-2 shows the memory map within the 64K virtual space.
Figure C-2. Memory Map of 64K Virtual Space
The various registers in the input/output (I/O) space can be accessed in
Dynamic C by the symbolic names listed below. These names are treated
as unsigned integer constants. The Dynamic C library functions inport
and outport access the I/O registers directly.
data
_
value = inport( CNTLA0 );
outport( CNTLA0, data
_
value );
UNITIALIZED
DATA
USER CODE
LIBRARY
RAM
ROM
RAM
ROM
UNUSED
RAM-Based ROM-Based
0
STACK
XMEM
64K
UNITIALIZED
DATA
USER CODE
LIBRARY
UNUSED
STACK
XMEM
512K
1024K
Socket U8
RAM
Socket U7
EPROM
0x00000
0x80000
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