LPC47M112 SMSC Corporation, LPC47M112 Datasheet - Page 198

• Manufacturer Part Number: LPC47M112
• Description: ENHANCED SUPER I/O CONTROLLER WITH LPC INTERFACE
• Manufacturer: SMSC Corporation

Enhanced Super I/O Controller with LPC Interface
Datasheet
SMSC DS – LPC47M112
nM IRRX
M IRRX
n IRRX
DAT A
IRRX
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
FIGURE 27 - AMPLITUDE SHIFT KEYED IR RECEIVE TIMING
t3
t5
M odu lated Out put Bit T ime
Off Bit T ime
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
min
Page 198
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
un its
µ s
µ s
µ s
µ s
µ s
µ s
0
1
1
Rev. 02/02/2005