ds3102 Maxim Integrated Products, Inc., ds3102 Datasheet - Page 41

• Manufacturer Part Number: ds3102
• Description: Stratum 3 Timing Card Ic With Synchronous Ethernet Support
• Manufacturer: Maxim Integrated Products, Inc.

Table 7-13. T4 APLL Frequency Configuration
Table 7-14. OC1 to OC7 Output Frequency Selection
Note 1: The value of the OFREQn field (in the
Note 2: T0 = T0 APLL. T02 = T0 APLL2. T4 = T4 APLL.
Rev: 012108
____________________________________________________________________________________________ DS3102
AOF
FREQUENCY
BIT
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
T4 APLL
Disabled
311.04
131.072
148.224
274.944
178.944
100.992
250.000
122.88
160.000
104.000
250.000
131.072
148.224
100.992
(MHz)
98.304
98.816
98.304
98.816
OFREQ
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
0000
0001
0010
0011
0100
0101
0110
0111
(1)
T4 APLL DFS
FREQUENCY
T4SELREF
24.576
32.768
37.056
24.704
68.736
44.736
25.248
62.500
30.720
40.000
26.000
24.576
62.500
32.768
37.056
24.704
25.248
(MHz)
77.76
77.76
Disabled
Disabled
T02 / 10
Digital2
Digital1
T4 / 10
T02 / 5
T0 / 48
T0 / 16
T0 / 12
T4 / 64
T4 / 48
T4 / 16
T0 / 64
T4 / 20
T4 / 12
T0 / 8
T0 / 6
T0 / 4
T4 / 8
T4 / 4
2kHz
8kHz
OC1
T0 4 x 6312kHz
T4SELREF
FREQUENCY
T0 GbE ÷ 16
4 x 6312kHz
T0 24 x DS1
T0 16 x DS1
Disabled
Disabled
Digital2
Digital1
T0 12 x E1
T0 16 x E1
Squelched
T0 / 48
T0 / 16
T0 / 12
T4 / 64
T4 / 48
T4 / 16
T0 / 64
T4 / 20
T4 / 12
T4 / 10
77.76MHz
OCR1
GbE ÷ 16
T0 / 8
T0 / 6
T0 / 4
T4 / 8
T4 / 4
T4 / 5
T4 / 2
T4 APLL
24 x DS1
16 x DS1
3 x 10.24
2kHz
8kHz
OC2
12 x E1
16 x E1
MODE
2 x E3
4 x 10
2 x 13
DS3
to
OCR4
T4SELREF
Disabled
Disabled
registers) corresponding to output clock OCn.
Digital2
Digital1
T4 / 10
T0 / 48
T0 / 16
T0 / 12
T4 / 64
T4 / 48
T4 / 16
T0 / 64
T4 / 20
T4 / 12
T0 / 8
T0 / 6
T0 / 4
T4 / 8
T4 / 4
T4 / 5
T4 / 2
2kHz
8kHz
OC3
SETTING IN
T4APT0
T0CR1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
FREQUENCY
T4SELREF
Disabled
Disabled
T02 / 10
Digital2
Digital1
T0 / 48
T0 / 16
T0 / 12
T4 / 48
T4 / 16
T4 / 10
T02 / 2
T02 / 1
T0 / 8
T0 / 6
T0 / 4
T4 / 2
T4 / 8
T4 / 4
T0 / 2
T0 / 1
2kHz
8kHz
OC4
T4FREQ[3:0]
SETTING IN
T4CR1
XXXX
XXXX
XXXX
XXXX
XXXX
XXXX
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
T4SELREF
Disabled
Disabled
T02 / 10
Digital2
Digital1
T0 / 48
T0 / 16
T0 / 12
T4 / 48
T4 / 16
T4 / 10
T02 / 2
T02 / 1
T0 / 8
T0 / 6
T0 / 4
T4 / 2
T4 / 8
T4 / 4
T0 / 2
T0 / 1
2kHz
8kHz
OC5
SETTING IN
T0FT4[2:0]
T0CR1
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
000
001
010
100
110
111
T4SELREF
Disabled
Disabled
Digital1
T0 / 16
T0 / 12
T4 / 64
T4 / 48
T4 / 16
T02 / 5
T02 / 2
T02 / 1
T0 / 2
T0 / 1
T0 / 8
T0 / 6
T0 / 4
T4 / 8
T4 / 4
T4 / 5
T4 / 2
T4 / 1
2kHz
8kHz
OC6
(pk-pk, ns, typ)
OUTPUT
JITTER
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
T4SELREF
41 of 141
Disabled
Disabled
Digital2
T0 / 48
T0 / 16
T0 / 12
T4 / 64
T4 / 48
T4 / 16
T02 / 5
T02 / 2
T02 / 1
T0 / 2
T0 / 8
T0 / 6
T0 / 4
T4 / 8
T4 / 4
T4 / 5
T4 / 2
T4 / 1
2kHz
8kHz
OC7