FDC37C669_07 SMSC [SMSC Corporation], FDC37C669_07 Datasheet - Page 150

• Manufacturer Part Number: FDC37C669_07
• Description: PC 98/99 Compliant Super I/O Floppy Disk Controller with Infrared Support
• Manufacturer: SMSC [SMSC Corporation]

nMIR RX
MIR RX
DATA
Notes:
1. IRRX: CRC Bit 0: 1 = RC V active low
n IR RX
IR RX
t1
t2
t3
t4
t5
t6
nIRR X: CRC Bit 0: 0 = RCV active hi gh
MIRRX, nMIRRX are the modulated o utputs
Mo dula ted Ou tpu t Bit Time
Off Bit Time
Modu lated Output "On"
Modu lated Output "Off"
Modu lated Output "On"
Modu lated Output "Off"
FIGURE 13 - AMPLITUDE SHIFT KEYED IR RECEIVE TIMING
0
t1
t3
t5
t6
t4
1
t2
Parameter
0
1
0
150
min
0
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
units
µs
µs
µs
µs
µs
µs
1
1