PXB4221 Infineon Technologies AG, PXB4221 Datasheet - Page 279
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PXB4221
Manufacturer Part Number
PXB4221
Description
IWE8 Interworking Element for 8 E1/T1 Lines
Manufacturer
Infineon Technologies AG
Datasheet
1.PXB4221.pdf
(290 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PXB4221EV3.2
Manufacturer:
INFIEON
Quantity:
20 000
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RTS values are generated as follows:
Figure 77
The transformation of RTS values in a clock is not specified in the SRTS specifications.
Basically (the implementation is slightly different), the ICRC calculates another RTS
value based on the transmit clock. The difference between received RTS values and
locally calculated RTS values, drives a DCO. This solution can be described as a PLL
with an unusual phase comparator.
Data Sheet
f
f
s
n
Generation of Residual Time Stamp (RTS) (Fig.6/ I.363.1)
Counter A
divided by N
—
1
x
279
T
PXB4219 / PXB4220 / PXB4221
f
nx
P-bit
counter C
Latch
T1817640-92
t
Appendix
2002-05-06
RTS
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