Pulse Duration
50%
50%
50%
Pulse Duration
AM3359, AM3358, AM3357, AM3356, AM3354, AM3352
SPRS717H – OCTOBER 2011 – REVISED MAY 2015
7.15.2 UART IrDA Interface
The IrDA module operates in three different modes:
•
Slow infrared (SIR) (
≤
115.2 Kbps)
•
Medium infrared (MIR) (0.576 Mbps and 1.152 Mbps)
•
Fast infrared (FIR) (4 Mbps).
illustrates the UART IrDA pulse parameters.
and
list the signaling
rates and pulse durations for UART IrDA receive and transmit modes.
Figure 7-115. UART IrDA Pulse Parameters
Table 7-115. UART IrDA—Signaling Rate and Pulse Duration—Receive Mode
ELECTRICAL PULSE DURATION
SIGNALING RATE
UNIT
MIN
MAX
SIR
2.4 Kbps
1.41
88.55
µs
9.6 Kbps
1.41
22.13
µs
19.2 Kbps
1.41
11.07
µs
38.4 Kbps
1.41
5.96
µs
57.6 Kbps
1.41
4.34
µs
115.2 Kbps
1.41
2.23
µs
MIR
0.576 Mbps
297.2
518.8
ns
1.152 Mbps
149.6
258.4
ns
FIR
4 Mbps (single pulse)
67
164
ns
4 Mbps (double pulse)
190
289
ns
234
Peripheral Information and Timings
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