LPC47M112 SMSC Corporation, LPC47M112 Datasheet - Page 199

• 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
n MIRT X
MIRTX
DA TA
IRTX
n IRT X
0
t1
Note s:
1 . IRTX :
FIGURE 28 - AMPLITUDE SHIFT KEYED IR TRANSMIT TIMING
nI RTX: L 5, CRF1 Bit 1 = 0
MIRTX, nM IRTX a re the mod ulate d ou tpu ts
t1
t2
t3
t4
t5
t6
t3
t5
1
t2
L5 , CRF 1 Bit 1 = 1 (def ault)
M odu lated Out put Bit T ime
Off Bit T ime
M odu lated Outp ut " On"
M odu lated Outp ut " Off"
M odu lated Outp ut " On"
M odu lated Outp ut " Off"
t4
t6
0
Pa ramet er
1
0
Page 199
min
0.8
0.8
0.8
0.8
0
t yp
1
1
1
1
1
max
1
1.2
1.2
1.2
1.2
0
units
µ s
µ s
µ s
µ s
µ s
µ s
1
1
Rev. 02/02/2005