lpc47s457-ns Standard Microsystems Corp., lpc47s457-ns Datasheet - Page 245

• Manufacturer Part Number: lpc47s457-ns
• Description: Advanced I/o With X-bus Interface
• Manufacturer: Standard Microsystems Corp.

SMSC LPC47S45x
n MIRT X
MIRTX
DATA
IRTX
n IRT X
0
t1
Note s:
1 . IRT X :
FIGURE 36 − 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
DATASHEET
Pa ramet er
1
Page 245 of 259
0
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. 08-10-09