CXD5602 User Manual
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3.13.4.13
Address Converter
Address converter offers the function that converts address signals from each ADSP into 96 MByte of region in
total, when the address signals are within 1 MByte of region from 0x00000000 to 0x000FFFFF. The remapped
regions are from 0x04000000 to 0x05FFFFFF, from 0x08000000 to 0x09FFFFFF, and from 0x0C000000 to
0x0DFFFFFF, which are 32 MByte individually.
Reserved
0x04000000
SYS Window
GNS Window
APP Window
0x10000000
0x08000000
0x0C000000
0x00000000
0x00000000
–
0x000FFFFF
input address
output address
1MB
virtual region
32MB
32MB
32MB
32MB
32MB
32MB
Figure APP-107 Input-Output Addresses of Address Converter
Address converter can be set on each ADSP, furthermore, on 16 areas of each 64 Kbyte individually. As Figure
APP-108 indicates, address converter realizes the above conversion function that identifies areas by using input
address bit [19:16] and replaces output address bits [27:26] and [24:16] with set values against the areas. As the
conversion is performed by every 64 Kbyte, an input address less than 64 Kbyte corresponding to the input
address bit [15:0] becomes to be an output address without conversion. In addition, address signals are transferred
with no latency from input to output.
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