XR72L52 Datasheet, PDF (391/480 Pages) Exar Corporation – TWO CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER

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TWO CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER
XRT72L52
REV. 1.0.1
TABLE 72: THE RELATIONSHIP BETWEEN THE NUMBER OF TXOHENABLE PULSES (SINCE THE LAST OCCURRENCE OF
THE TXOHFRAME PULSE) TO THE E3 OVERHEAD BIT, THAT IS BEING PROCESSED BY THE XRT72L52
NUMBER OF TXOHENABLE PULSES
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
31
32
33
34
35
36
THE OVERHEAD BIT EXPECTED BY THE CAN THIS OVERHEAD BIT BE ACCEPTED BY
XRT72L52
THE XRT72L52?
FA1 Byte - Bit 2
No
FA1 Byte - Bit 1
No
FA1 Byte - Bit 0
No
FA2 Byte - Bit 7
No
FA2 Byte - Bit 6
No
FA2 Byte - Bit 5
No
FA2 Byte - Bit 4
No
FA2 Byte - Bit 3
No
FA2 Byte - Bit 2
No
FA2 Byte - Bit 1
No
FA2 Byte - Bit 0
No
EM Byte - Bit 7
No
EM Byte - Bit 6
No
EM Byte - Bit 5
No
EM Byte - Bit 4
No
EM Byte - Bit 3
No
EM Byte - Bit 2
No
EM Byte - Bit 1
No
EM Byte - Bit 0
No
TR Byte - Bit 7
Yes
TR Byte - Bit 6
Yes
TR Byte - Bit 5
Yes
TR Byte - Bit 4
Yes
TR Byte - Bit 3
Yes
TR Byte - Bit 2
Yes
TR Byte - Bit 1
Yes
TR Byte - Bit 0
Yes
MA Byte - Bit 7 (FERF)
Yes
MA Byte - Bit 6 (FEBE)
Yes
MA Byte - Bit 5
Yes
MA Byte - Bit 4
Yes
MA Byte - Bit 3
Yes
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