TMS320DM6467_10 Datasheet, PDF (337/357 Pages) Texas Instruments – Digital Media System-on-Chip

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7.24.4 IrDA Interface Receive/Transmit Timings
TMS320DM6467
Digital Media System-on-Chip
SPRS403F – DECEMBER 2007 – REVISED OCTOBER 2009
Table 7-132. Signaling Rate and Pulse Duration Specification in Receive Mode
SIGNALING RATE
2.4 Kbit/s (Kbps)
9.6 Kbps
19.2 Kbps
38.4 Kbps
57.6 Kbps
115.2 Kbps
0.576 Mbit/s (Mbps)
ELECTRICAL PULSE DURATION
MAX
NOM
SIR MODE
1.41
78.1
1.41
19.5
1.41
9.75
1.41
4.87
1.41
3.25
1.41
1.62
MIR MODE
297.2
416
MIN
88.55
22.13
11.07
5.96
4.34
2.23
518.8
UNIT
µs
µs
µs
µs
µs
µs
ns
NO.
1
t_r(URXD)
2
t_f(URXD)
Table 7-133. Timing Requirements for IrDA Receive
Rise time, receive data bit URXDx
Fall time, receive data bit URXDx
-594, -729
MIN
MAX
200
200
UNIT
ns
ns
Table 7-134. Signaling Rate and Pulse Duration Specification in Transmit Mode
SIGNALING RATE
2.4 Kbit/s (Kbps)
9.6 Kbps
19.2 Kbps
38.4 Kbps
57.6 Kbps
115.2 Kbps
0.576 Mbit/s (Mbps)
ELECTRICAL PULSE DURATION
MAX
NOM
SIR MODE
78.10
78.1
19.50
19.5
9.75
9.75
4.87
4.87
3.25
3.25
1.62
1.62
MIR MODE
414.0
416.0
MIN
78.10
19.50
9.75
4.87
3.25
1.62
419.0
UNIT
µs
µs
µs
µs
µs
µs
ns
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Peripheral Information and Electrical Specifications 337