LPC47M140-NC SMSC [SMSC Corporation], LPC47M140-NC Datasheet - Page 195

• Manufacturer Part Number: LPC47M140-NC
• Description: 128 PIN ENGANCED SUPER I/O CONTROLLER WITH AN LPC INTERFACE AND USB HUB
• Manufacturer: SMSC [SMSC Corporation]

SMSC DS – LPC47M14X
nM IRRX
M IRRX
n IRRX
DA T A
IRRX
Note s:
1 . IRRX: L 5, CRF 1 Bit 0 = 1
0
FIGURE 37 – AMPLITUDE SHIFT KEYED IR RECEIVE TIMING
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 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
Page 195
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
Rev. 03/19/2001