PEF2256 INFINEON [Infineon Technologies AG], PEF2256 Datasheet - Page 114

• Manufacturer Part Number: PEF2256
• Description: E1/T1/J1 Framer and Line Interface Component for Long- and Short-Haul Applications
• Manufacturer: INFINEON [Infineon Technologies AG]

4.5.2.1
The pulse length of SYPX is always the basic E1 bit width (488 ns), independent of the
selected system highway clock and data frequency.
SYPX Offset Calculation
T:
SD:
SC:
X:
0 T 4:
5 T T
User’s Manual
Hardware Description
max
Time between beginning of SYPX pulse and beginning of next frame
(time slot 0, bit 0), measured in number of SCLKX clock intervals
maximum delay: T
Basic data rate; 2.048 Mbit/s
System clock rate; 2.048, 4.096, 8.192, or 16.384 MHz
Programming value to be written to registers XC0 and XC1 (see
:
Transmit Offset Programming
X = 4 - T
X = 256
SC/SD - T + 4
max
= (256
SC/SD) - 1
114
Functional Description E1
DS1.1, 2003-10-23
PEF 2256 H/E
Page
FALC
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