FDC37B80X SMSC [SMSC Corporation], FDC37B80X Datasheet - Page 190

• Manufacturer Part Number: FDC37B80X
• 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 21 - 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
190
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