Selecting The Sram Type (Optional); Setting The Cache Size - AOpen AP5C User Manual

Selecting the SRAM Type (Optional)

The system board supports both 3.3V and 3.3V/5V Mix Mode
SRAMs. Set the onboard switches marked as JP14 and JP16
according to the SRAM type. See the figure below.
3.3V SRAM
3.3V/5V Mix Mode
SRAM

Setting the Cache Size

The second-level cache is upgradable from 256 KB to 512 KB. See
the table below for the possible cache configurations.
Cache TAG SRAM
Size
256 KB 16 Kb x 8 x 1 pc or
32 Kb x 8 x 1 pc
512 KB 16 Kb x 8 x 1 pc or
32 Kb x 8 x 1 pc
User's Guide
Hardware Setup
JP14
Data SRAM
(U25)
(U28, U30, U31, U32, U34, U35, U36,
32 Kb x 8 x 8 pcs
64 Kb x 8 x 8 pcs
JP16
U37)
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