pef22554e Infineon Technologies Corporation, pef22554e Datasheet - Page 17

• Manufacturer Part Number: pef22554e
• Description: Quad E1/t1/j1 Framer And Line Interface Component For Long And Short Haul Applications
• Manufacturer: Infineon Technologies Corporation

PHSN_E1, PHSN_T1: 1 to 15;
3. Calculation of correction value for frequency mismatch correction:
The result of these equations will be in the range of -2048...+2047. Negative values are
represented in 2s-complement format (e.g., -2000
To achieve optimal QuadFALC
applied. Negative values are favored.
Table 5
f
1.544
2.048
8.192
10.000
12.352
16.384
Note: All values are given in hexadecimal notation.
To support the necessary calculations, an easy-to-use PC tool is available for free (see
Page 29
Delta Sheet
MCLK
PHD_E1
PHD_T1
[MHz]
for details).
=
=
Clock Mode Register Settings for E1 and T1/J1
GCM1
00
00
00
40
00
00
12288
12288
×
×
GCM2 GCM3
15
18
18
1B
19
18
æ
è
æ
è
PHSN_E1
PHSN_T1
®
00
FB
FB
3D
00
FB
performance values < -1023 and > +1023 must be
+
+
PHSX_E1
------------------------ -
PHSX_T1
------------------------ -
PHSX_E1, PHSX_T1: 0 to 5
17/30
GCM4
08
0B
0B
0A
08
0B
6
6
ö
ø
ö
ø
–
–
D
4
---------------------------------------- -
4
---------------------------------------- -
GCM5
00
00
00
00
01
01
= 830
×
×
PLL_M
PLL_M
(
(
PLL_N
PLL_N
H
; +2000
GCM6
3F
2F
0B
07
0A
0B
+
+
+
+
1
1
1
1
)
)
×
×
D
-------------------------------------- -
2 16.384 MHz
-------------------------------------- -
2 12.352 MHz
= 7D0
GCM7
9C
DB
DB
C9
98
DB
×
×
QuadFALC
f
f
MCLK
MCLK
PEF 22554
H
).
2002-09-16
Overview
GCM8
DF
DF
DF
DC
DA
DF
®