GM82C803CN Datasheet, PDF (76/84 Pages) List of Unclassifed Manufacturers – 2.88 MB FDC/ Dual UARTs with FIFO/PIO(EPP/ ECP)/ IDE Interface/ S-IR/ PnP

GM82C803CN
DATA
IRTX
0 10 1 00 1 1 0 1 1
t2
t1
IRTX
MIRTX
MIRTX
t3 t4
t5 t6
Parameter
Min
Typ
t1 Modulated Output Bit Time
t2 Off Bit Time
t3 Modulated Output "On"
0.8
1
t4 Modulated Output "Off"
0.8
1
t5 Modulated Output "On"
0.8
1
t6 Modulated Output "On"
0.8
1
Notes :
1. IRTX : CRC Bit 1 : 1= XMIT active iow
IRTX : CRC Bit 1 : 0 = XMIT active high (default )
MIRTX, MIRTX are the modulated outputs
Max
Units
us
us
1.2
us
1.2
us
1.2
us
1.2
us
FIGURE2 - AMPLITUDE SHIFT KEYED IR TRANSMIT TIMING