FDC37M60X SMSC Corporation, FDC37M60X Datasheet - Page 178

• Manufacturer Part Number: FDC37M60X
• Description: ENHANCED SUPER I/O CONTROLLER WITH INFRARED SUPPORT
• Manufacturer: SMSC Corporation

nMIRTX
MIRTX
DATA
IRTX
n IRTX
Notes:
1. IRTX:
t1
t2
t3
t4
t5
t6
nIRTX: L5, CRF1 Bit 1: 0 = XMIT active high
MIRTX, nMIRTX are the modulated outputs
FIGURE 22 - AMPLITUDE SHIFT KEYED IR TRANSMIT TIMING
Modulated Output Bit Time
Off Bit Time
Modulated Output "On"
Modulated Output "Off"
Modulated Output "On"
Modulated Output "Off"
0
t1
L5, CRF1 Bit 1: 1 = XMIT active low (default)
t3
t5
1
t2
t4
t6
Parameter
0
1
0
178
0
min
0.8
0.8
0.8
0.8
1
typ
1
1
1
1
1
max
1.2
1.2
1.2
1.2
0
1
units
µs
µs
µs
µs
µs
µs
1