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)
2-7
Need help?
Do you have a question about the AP5C and is the answer not in the manual?