Baud rate selection -12, 12 chapter 2: hardware installation, Examples – Connect Tech DFlex-4/104 User Manual
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2-12
Chapter 2: Hardware Installation
DFlex-4/104 User's Manual, ver. 0.04
Examples:
1.
The following example shows the settings on J2 and SW1so
that port 1 interrupts on IRQ 5, port 2 interrupts on IRQ 7,
port 3 interrupts on IRQ 10 and port 4 interupts on IRQ 15.
IRQ jumper block
3
5
7
9/2
4
6
10
12
14
15
11
B
A
D
C
J2
IRQ
Port address
switch block
ON
1
2
6
SW1
Off
3
4
IRQ switches
5
2.
The following example shows the settings on J2 and SW1so
that port 1 interrupts on IRQ 5, port 2 interrupts on IRQ 7,
port 3 interrupts on IRQ 12 and port 4 interupts on IRQ 15.
IRQ jumper block
3
5
7
9/2
4
6
10
12
14
15
11
B
A
D
C
J2
IRQ
Port address
switch block
ON
1
2
6
SW1
Off
3
4
IRQ switches
5
Note: Ensure that all other unused jumpers on J2 are removed or
not contacting more than one pin.
Baud Rate Selection
The DFlex-4/104 is a high-speed serial adapter for PC/104 bus
compatible computers. Utilizing large FIFO buffers in the
16C654 quad UART and high-speed circuitry, the DFlex-4/104
adapter is an ideal solution for applications requiring serial
communications up to 460K baud.