TFRA08C13-DB AGERE [Agere Systems], TFRA08C13-DB Datasheet - Page 166
![no-image](/images/no-image-200.jpg)
TFRA08C13-DB
Manufacturer Part Number
TFRA08C13-DB
Description
TFRA08C13 OCTAL T1/E1 Framer
Manufacturer
AGERE [Agere Systems]
Datasheet
1.TFRA08C13-DB.pdf
(188 pages)
- Current page: 166 of 188
- Download datasheet (3Mb)
TFRA08C13 OCTAL T1/E1 Framer
Framer Register Architecture
Pattern Detector Control Register (FRM_PR70)
The following register programs the pattern detector in the receive framer. The default value of this register is
00 (hex). This register must be set to 00 (hex) before a pattern is selected or changed. This register must be set to
00 (hex) to clean register FRM_SR7. Once a selected pattern is detected, the detector remains locked to that align-
ment and all differences from the expected are reported an bit errors. Pattern-realignment can only occur following
a reset of this register, setting it to 00 (hex).
Table 161. Pattern Detector Control Register (FRM_PR70) (YA6)*
* To generate/detect test pattern signals using this register, register FRM_PR20 must be set to 00 (hex).
166
4—7
Bit
0
1
2
3
DPTRN0—
DBLKSEL
DPTRN3
Symbol
DUFTP
IRD
—
Invert Receive Data. Setting this bit to 1 enables the pattern detector to detect the
inverse of the selected pattern.
Reserved. Write to 0.
Detector Block Select. Setting this bit to 1 enables the detection of test patterns in this
register.
Detect Unframed Test Pattern. Setting this bit to 1 results in the search for an
unframed pattern. A 0 results in a search for a framed pattern (T1 and CEPT).
Detector Pattern Select. These 4 bits select which random pattern is to be
Detected .
7 6 5 4
0 0 0 0
0 0 0 1
0 0 1 0
0 0 1 1
0 1 0 0
0 1 0 1
0 1 1 0
0 1 1 1
1 0 0 0
1 0 0 1
1 0 1 0
1 0 1 1
1 1 0 0
Bits
(continued)
MARK (all ones) (AIS)
QRSS (2
suppression)
2
63 (2
511 (2
511 (2
2047 (2
2047 (2
2
2
2
2
1:1 (alternating)
5
15
20
20
23
– 1
– 1
– 1
– 1
– 1
6
9
9
Description
– 1)
11
11
– 1)
– 1) reversed
20
– 1)
– 1) reversed
– 1 with zero
Description
1+x
1+x
1+x
1+x
Polynomial
1+x
Generator
1+x
1+x
1+x
1+x
1+x
1+x
–17
–14
–17
–18
–3
–9
–3
–1
–5
–4
—
–2
—
+x
+x
+x
+x
+x
+x
+x
+x
+x
+x
x
–11
–11
–20
–20
–5
–6
–9
–9
–15
–20
–23
Preliminary Data Sheet
Lucent Technologies Inc.
Lucent Technologies Inc.
CB113/CB114
Standard
October 2000
O.151
O.153
O.152
O.151
O.153
O.151
—
—
—
—
—
—
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