XRT72L50 Datasheet, PDF (231/471 Pages) Exar Corporation – SINGLE CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER

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XRT72L50
SINGLE CHANNEL DS3/E3 FRAMER WITH HDLC CONTROLLER
REV. 1.2.1
TABLE 41: THE RELATIONSHIP BETWEEN THE NUMBER OF RXOHENABLE OUTPUT PULSES ((SINCE RXOHFRAME
WAS LAST SAMPLED "HIGH") TO THE DS3 OVERHEAD BIT, THAT IS BEING OUTPUT VIA THE RXOH OUTPUT PIN
NUMBER OF RXOHENABLE OUTPUT PULSES
THE OVERHEAD BIT BEING OUTPUT BY THE
XRT72L50
0 (The RxOHEnable and RxOHFrame signals are both sampled "High")
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
X
F1
AIC
F0
NA
F0
FEAC
F1
X
F1
UDL
F0
UDL
F0
UDL
F1
P
F1
CP
F0
CP
F0
CP
F1
P
F1
FEBE
F0
FEBE
F0
FEBE
218