IRCC SMSC Corporation, IRCC Datasheet - Page 17

• Manufacturer Part Number: IRCC
• Description: INFRARED COMMUNICATIONS CONTROLLER
• Manufacturer: SMSC Corporation

NOTES:
1.
nMIRTX
MIRTX
DATA
nIRTX
IRTX
IRTX: CRC Bit 1: 1 = XMIT active low
nIRTX: CRC Bit 1: 0 = XMIT active high (default)
MIRTX, nMIRTX are the modulated outputs.
t1
t2
t3
t4
t5
t6
0
t1
Modulated Output Bit Time
Off Bit Time
Modulated Output “On”
Modulated Output “Off”
Modulated Output “On”
Modulated Output “Off”
t3
t5
FIGURE 9 - AMPLITUDE SHIFT KEYED IR TRANSMIT TIMING
t4
t6
1
t2
PARAMETER
0
1
0
17
0
MIN
0.8
0.8
0.8
0.8
1
TYP
1
1
1
1
1
MAX
1.2
1.2
1.2
1.2
0
UNITS
1
µs
µs
µs
µs
µs
µs
1