FDC37M81 SMSC [SMSC Corporation], FDC37M81 Datasheet - Page 195

• Manufacturer Part Number: FDC37M81
• Description: PC98/99 Compliant Enhanced Super I/O Controller with Keyboard/Mouse Wake-Up
• Manufacturer: SMSC [SMSC Corporation]

nMIRRX
MIRRX
DATA
n IRRX
IRRX
Notes:
1. IRRX:
t1
t2
t3
t4
t5
t6
nIRRX: L5, CRF1 Bit 0: 0 = RCV active high (default)
MIRRX, nMIRRX are the modulated outputs
Modulated Output Bit Time
Off Bit Time
Modulated Output "On"
Modulated Output "Off"
Modulated Output "On"
Modulated Output "Off"
FIGURE 23 - AMPLITUDE SHIFT KEYED IR RECEIVE TIMING
0
L5, CRF1 Bit 0: 1 = RCV active low
t1
t3
t5
t6
t4
1
t2
Parameter
0
1
0
195
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
units
1
µs
µs
µs
µs
µs
µs
1