FDC37B787QF SMSC [SMSC Corporation], FDC37B787QF Datasheet - Page 246

• Manufacturer Part Number: FDC37B787QF
• Description: Super I/O Controller with ACPI Support, Real Time Clock and Consumer IR
• Manufacturer: SMSC [SMSC Corporation]

ASK IR Receive
nM IRRX
M IRRX
n IRRX
DA T A
IRRX
FIGURE 32 - AMPLITUDE SHIFT KEYED IR RECEIVE TIMING
Note s:
1 . IRRX: L 5, CRF 1 Bit 0 = 1
0
t1
t2
t3
t4
t5
t6
t1
n IRRX: L5 , CRF 1 Bit 0 = 0 (de fault)
M IRRX, nMI RRX are the mod ulate d ou tpu ts
t3
t5
M odu lated Out put Bit T ime
Off Bit Time
M odu lated Outp ut " On"
M odu lated Out put " Off"
M odu lated Outp ut " On"
M odu lated Out put " Off"
t6
t4
1
t2
Pa ramet er
0
1
256
min
0
0.8
0.8
0.8
0.8
0
typ
1
1
1
1
1
max
1.2
1.2
1.2
1.2
1
units
µ s
µ s
µ s
µ s
µ s
µ s
0
1
1