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Hardware Setup
2-2 CPU FREQUENCY SETTING (JP10~16)
Configure the JP10~16 jumpers to the settings that match your CPU
speed. Refer to the following tables to set the Frequency Multiplier
and Host Bus Frequency of your CPU:
Frequency Multiplier
Multiplier JP14 JP15 JP16
1.5x
open open open
2.0x*
open open short
2.5x
short open short
3.0x
short open open
3.5x
open open open
4.0x
open short short
4.5x
short short short
Example: If the working frequency of your CPU is 133MHz, then
select Multiplier=2.0x and Host Bus Frequency=66Mhz accordingly.
Also, as newer and higher frequency CPUs may not be listed in this
section, please refer to the tables CPU Frequency Settings for
Various Processors on pages 12~15 for complementary
information.
Host Bus Frequency
Host Bus
JP10 JP11 JP12 JP13
Frequency
50MHz
55MHz
60MHz
66MHz*
68MHz
75MHz
83MHz
33
SY-5STM
2-3
2-3
2-3
1-2
2-3
2-3
2-3
2-3
1-2
2-3
1-2
2-3
1-2
1-2
1-2
1-2
2-3
1-2
1-2
1-2
2-3
1-2
1-2
1-2
1-2
1-2
1-2
2-3
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