DATA
0
1
0
1
0
0
1
1
0
1
1
t1
t2
IRTX
n IRTX
t3 t4
MIRTX
t5 t6
nMIRTX
Parameter
min
typ
max
units
t1
t2
t3
t4
t5
t6
Modulated Output Bit Time
Off Bit Time
µs
µs
µs
µs
µs
µs
Modulated Output "On"
Modulated Output "Off"
Modulated Output "On"
Modulated Output "Off"
0.8
0.8
0.8
0.8
1
1
1
1
1.2
1.2
1.2
1.2
Notes:
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 outputs
FIGURE 22 - AMPLITUDE SHIFT KEYED IR TRANSMIT TIMING
178