Device
and operation
CPC307
C P C 3 0 7 U s e r M a n u a l
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© 2 0 2 2 F a s t w e l v . 0 0 6
Table 5.15. Description
of the “ISA Configuration” menu
Menu item
Purpose
ISA Clock
Clock frequency ISA_SYSCLK (CLK, XS2 connector, output B20)
[8.3MHz]
Set the clock frequency for 8 MHz
[16.6MHz]
Set the clock frequency for 16 MHz
ISA 16bits I/O wait-state
I/O wait-state cycle duration at 16-bit reference on ISA bus
[1 clock], [2 clock], [3 clock], [4 clock], [5 clock], [6 clock], [7 clock], [8 clock]
ISA 8bits I/O wait-state
I/O wait-state cycle duration at 8-bit reference on ISA bus
[1 clock], [2 clock], [3 clock], [4 clock], [5 clock], [6 clock], [7 clock], [8 clock]
ISA 16bits Memory
waitstate
Memory wait-state cycle duration at 16-bit reference on ISA bus
[0 clock], [1 clock], [2 clock], [3 clock], [4 clock], [5 clock], [6 clock], [7 clock]
ISA 8bits Memory
waitstate
Memory wait-state cycle duration at 8-bit reference on ISA bus
[1 clock], [2 clock], [3 clock], [4 clock], [5 clock], [6 clock], [7 clock], [8 clock]
5.6.1.2 Serial/Parallel Port Configuration
The
“Serial/Parallel Port Configuration” menu is shown in Figure 5.17, description of the menu
items is given in Table 5.16.
Figure 5.17. Screen of the “Serial/Parallel Port Configuration” menu
