IRCC2.0 Datasheet, PDF (85/87 Pages) SMSC Corporation – Infrared Communications Controller

AC TIMING
IR RX PULSE REJECTION
Table 37 - IR Rx Pulse Rejection
ENCODER
PULSE REJECTION
4PPM¹
≤60ns
HDLC 1.152 Mbps
≤100ns
HDLC 0.576Mbps
≤200ns
IrDA SIR
≤500ns
Consumer IR
≤166ns
Note 1: If RX PW REJECT is low (inactive) the 4PPM Rx pulse rejection filter is disabled although the
receiver must not see pulses less than T_{PW_MIN} (See the IR Busy, bit 3 section on page 27).
RX PULSE JITTER TOLERANCE
Table 38 - RX Pulse Jitter Tolerance
MAX JITTER
4 Mbps
25ns
1.152 Mbps
100ns
115.2 Kbps
400ns
9.6 Kbps
5Fs
IRDA 4PPM
Bit Rate Tolerance
"0.01% of Bit Rate (IrDA Spec)
Rx Pulse Width
Table 39 - IrDA 4PPM Rx Pulse Width
MIN.
NOM.
Single Pulse
75ns
125ns
Double Pulse
200ns
250ns
MAX.
175ns
290ns
85