lpc47s457-ns Standard Microsystems Corp., lpc47s457-ns Datasheet - Page 244

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

SMSC LPC47S45x
nM IRRX
M IRRX
n IRRX
DA T 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 35 − AMPLITUDE SHIFT KEYED IR RECEIVE TIMING
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
DATASHEET
1
Page 244 of 259
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. 08-10-09