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ACT-IR100SL and IR100SL-M User’s Manual
Version 1.20
May 27, 2002
4.2 Baud Rate Setting
Jumpers SEL0-2 and serial EPROM settings are used to set the host interface RXD and TXD data
rate. Note that this is independent of the IrDA connection data rate.
Data format is always 8 data bits, no parity, and 1 stop bit. Note that this is compatible with
end-to-end data format using 7 data bits, parity, and 1 stop bit. That is, the application at both end
of the IrDA link may generate and check parity if 7 data bit is used.
The Host Interface can operate on eight different baud rates from 1.2kbps to 115.2kbps.
Jumpers
Baud Rate
SEL2 SEL1 SEL0
1.2kbps
0 0 0
2.4kbps
0 0 1
4.8kbps
0 1 0
9.6kbps
0 1 1
19.2kbps
1 0 0
38.4kbps
1 0 1
57.6kbps
1 1 0
115.2kbps
1 1 1
SEL7 ~ SEL0 (D12 ~ D5):
1: None
0: Install DIODE (1N4148)
PCB bottom view
SEL0
SEL1
SEL2
SEL3
SEL4
SEL5
SEL6
SEL7