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Setup Utility
54
User’s Guide
SERIAL PORT 2 BASE ADDRESS
This parameter allows you to set the serial port 2 logical
base address. Serial port 2 refers to the internal infrared
transceiver.
Setting
Description
3F8h
Serial port 2 with address 3F8h using IRQ4
2F8h
Serial port 2 with address 2F8h using IRQ3
3E8h
Serial port 2 with address 3E8h using IRQ4
2E8h
Serial port 2 with address 2E8h using IRQ3
Disabled
Disables serial port 2
If you assign 3F8h to serial port 1, you may only
assign 2F8h or 2E8h to serial port 2.
If you assign 2F8h to serial port 1, you may only
assign 3F8h or 3E8h to serial port 2.
FIR DMA CHANNEL
If Fast IR Mode is enabled, you need to set a DMA channel
for FIR. When Fast IR Mode is enabled, it occupies the
serial port 2 base address and the FIR DMA channel. The
default value is
3
.
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