XRT7250 Datasheet, PDF (439/463 Pages) Exar Corporation – DS3/E3 FRAMER IC

XRT7250
DS3/E3 FRAMER IC
REV. 1.1.1
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TABLE 90: THE RELATIONSHIP BETWEEN THE NUMBER OF RXOHENABLE OUTPUT PULSES (SINCE RXOHFRAME WAS
LAST SAMPLED "HIGH") TO THE E3 OVERHEAD BIT, THAT IS BEING OUTPUT VIA THE RXOH OUTPUT PIN
NUMBER OF RXOHENABLE OUTPUT PULSES
THE OVERHEAD BIT BEING OUTPUT BY THE
XRT7250
0 (Clock edge is coincident with RxOHFrame being detected “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
FA1 Byte - Bit 7
FA1 Byte - Bit 6
FA1 Byte - Bit 5
FA1 Byte - Bit 4
FA1 Byte - Bit 3
FA1 Byte - Bit 2
FA1 Byte - Bit 1
FA1 Byte - Bit 0
FA2 Byte - Bit 7
FA2 Byte - Bit 6
FA2 Byte - Bit 5
FA2 Byte - Bit 4
FA2 Byte - Bit 3
FA2 Byte - Bit 2
FA2 Byte - Bit 1
FA2 Byte - Bit 0
EM Byte - Bit 7
EM Byte - Bit 6
EM Byte - Bit 5
EM Byte - Bit 4
EM Byte - Bit 3
EM Byte - Bit 2
EM Byte - Bit 1
EM Byte - Bit 0
TR Byte - Bit 7
TR Byte - Bit 6
TR Byte - Bit 5
TR Byte - Bit 4
TR Byte - Bit 3
TR Byte - Bit 2
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