AM3359_16 Datasheet, PDF (234/253 Pages) Texas Instruments – Sitara Processors

AM3359, AM3358, AM3357, AM3356, AM3354, AM3352, AM3351
SPRS717J – OCTOBER 2011 – REVISED APRIL 2016
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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).
Figure 7-115 illustrates the UART IrDA pulse parameters. Table 7-115 and Table 7-116 list the signaling
rates and pulse durations for UART IrDA receive and transmit modes.
Pulse Duration
Pulse Duration
50%
50%
50%
Figure 7-115. UART IrDA Pulse Parameters
Table 7-115. UART IrDA—Signaling Rate and Pulse Duration—Receive Mode
SIR
2.4 kbps
9.6 kbps
19.2 kbps
38.4 kbps
57.6 kbps
115.2 kbps
MIR
0.576 Mbps
1.152 Mbps
FIR
4 Mbps (single pulse)
4 Mbps (double pulse)
SIGNALING RATE
ELECTRICAL PULSE DURATION
MIN
MAX
1.41
88.55
1.41
22.13
1.41
11.07
1.41
5.96
1.41
4.34
1.41
2.23
297.2
149.6
518.8
258.4
67
164
190
289
UNIT
µs
µs
µs
µs
µs
µs
ns
ns
ns
ns
234 Peripheral Information and Timings
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