DATA
0
1
0
1
0
0
1
1
0
1
1
t1
t2
IRTX
nIRTX
MIRTX
nMIRTX
t3 t4
t5 t6
Parameter
t1 Modulated Output Bit Time
t2 Off Bit Time
t3 Modulated Output "On"
t4 Modulated Output "Off"
t5 Modulated Output "On"
t6 Modulated Output "Off"
min
typ
max
units
0.8
1
0.8
1
0.8
1
0.8
1
µs
µs
1.2
µs
1.2
µs
1.2
µs
1.2
µs
Note 1: IRTX: L5, CRF1 Bit 1: 1 = XMIT active low
(default)nIRTX: L5, CRF1 Bit 1: 0 = XMIT active
high MIRTX, nMIRTX are the modulated
oNuottpeu2ts: This polarity assumes that the GPIO has not been programmed for inverted.
FIGURE 41 - AMPLITUDE SHIFT KEYED IR TRANSMIT TIMING
278