FDC37C665IR SMSC Corporation, FDC37C665IR Datasheet - Page 146

• Manufacturer Part Number: FDC37C665IR
• Description: 3/5 Volt Advanced High-Performance Multi-Mode Parallel Port Super I/O Floppy Disk Controller with Infranred Support
• Manufacturer: SMSC Corporation

nMIRTX
MIRTX
DATA
nIRTX
IRTX
Notes:
1. IRTX: CRC Bit 1: 1 = XMIT active low
t1
t2
t3
t4
t5
t6
nIRTX: CRC Bit 1: 0 = XMIT active high (default)
MIRTX, nMIRTX are the modulated outputs
Modulated Output Bit Time
Off Bit Time
Modulated Output "On"
Modulated Output "Off"
Modulated Output "On"
Modulated Output "On"
0
FIGURE 14 - AMPLITUDE SHIFT KEYED IR TRANSMIT TIMING
t1
t3
t5
t4
t6
1
t2
Parameter
0
1
0
146
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