CIRCC Datasheet, PDF (21/70 Pages) SMSC Corporation – Consumer Infrared Communications Controller

DATA ₀
1
0
1
0
0
11
0
11
t1 t2
IRRX
nIRRX
MIRRX
nMIRRX
t3 t4
t5 t6
FIGURE 11 - AMPLITUDE SHIFT KEYED IR RECEIVE TIMING
PARAMETER
t1 Modulated Output Bit Time
t2 Off Bit Time
t3 Modulated Output “On”
t4 Modulated Output “Off”
t5 Modulated Output “On”
t6 Modulated Output “Off”
Notes:
1. IRRX: Rx Polarity bit = 1
nIRRX: Rx Polarity bit = 0 (default)
MIRRX, nMIRRX are the modulated outputs.
MIN TYP MAX UNITS
µs
µs
0.8
1
1.2
µs
0.8
1
1.2
µs
0.8
1
1.2
µs
0.8
1
1.2
µs
21