Datacom Systems D56 Specifications download pdf (Page 46)

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Si5040

46 Rev. 1.3

Reset settings = 0000 0000

BitD7D6D5D4D3D2D1D0

Name RxPdn

Type RRRRRRRR/W

Bit Name Function

7:1 Reserved Read returns zero.

0RxPdnReceiver Power Down.

0 = Normal operation.

1 = Receiver powered down.

A hard recal must be performed to calibrate all circuits (RX hardRecal at Register 8, Bit

3) when the receiver is returned to normal operation after a power down.

1 2 ... 41 42 43 44 45 46 47 48 49 50 51 ... 107 108

Features 1
Applications 1
Description 1
Functional Block Diagram 1
2 Rev. 1.3 2
TABLE OF CONTENTS 3
Measurement 4
2. Electrical Specifications 5
Table 2. DC Characteristics 6
8 Rev. 1.3 8
= 1.8 V +5/–10%, T 8
= –40 to 95 C) 8
10 Rev. 1.3 10
Table 7. CMU Timing Modes 12
Rev. 1.3 13 13
Table 8. AC Characteristics—I 14
C Bus Lines (SD, SCK) 14
765432 76543210 15
Read Command Read Data 15
16 Rev. 1.3 16
Rev. 1.3 17 17
4. Functional Description 18
Normalized Output Amplitude 19
5.2. Limiting Amplifier 20
Rev. 1.3 21 21
22 Rev. 1.3 22
5.5. Receiver Slice Control 23
5.7. Reference Clock 24
Rev. 1.3 25 25
26 Rev. 1.3 26
Rev. 1.3 27 27
5.9. Receiver Phase Adjust 28
6. Transmitter 29
30 Rev. 1.3 30
Rev. 1.3 31 31
32 Rev. 1.3 32
7. Loopback Modes 33
8. Looptime Mode 33
10.1. I 35
C Interface 35
10.2. SPI-Like Interface 36
11. Interrupt Functionality 37
38 Rev. 1.3 38
Rev. 1.3 39 39
13. Si5040 Register Summary 40
44 Rev. 1.3 44
46 Rev. 1.3 46
Rev. 1.3 47 47
48 Rev. 1.3 48
Rev. 1.3 49 49
50 Rev. 1.3 50
52 Rev. 1.3 52
Register 10 52
Rev. 1.3 53 53
54 Rev. 1.3 54
56 Rev. 1.3 56
00 0000 0000 = 0 mV 56
11 1111 1111 = 1022 mV 56
Rev. 1.3 57 57
Rev. 1.3 59 59
60 Rev. 1.3 60
Note: Default = 10 (decimal) 60
Note: Default = 15 (decimal) 60
Rev. 1.3 61 61
Rev. 1.3 63 63
Exponent 69
70 Rev. 1.3 70
72 Rev. 1.3 72
Rev. 1.3 73 73
74 Rev. 1.3 74
Rev. 1.3 75 75
76 Rev. 1.3 76
Rev. 1.3 77 77
78 Rev. 1.3 78
Rev. 1.3 79 79
80 Rev. 1.3 80
Rev. 1.3 81 81
82 Rev. 1.3 82
Rev. 1.3 83 83
84 Rev. 1.3 84
Rev. 1.3 85 85
86 Rev. 1.3 86
Note: Default = 1 (decimal) 86
Note: Default = 8 (decimal) 86
Rev. 1.3 87 87
Bit D7 D6 D5 D4 D3 D2 D1 D0 87
Rev. 1.3 89 89
Rev. 1.3 95 95
96 Rev. 1.3 96
98 Rev. 1.3 98
Rev. 1.3 99 99
14. Pin Descriptions: Si5040 100
Rev. 1.3 101 101
Input/Output 101
102 Rev. 1.3 102
15. Ordering Guide 103
16. Package Outline: Si5040 104
Rev. 1.3 105 105
DOCUMENT CHANGE LIST 106
Revision 0.86 to Revision 1.2 107
Revision 1.2 to Revision 1.3 107
CONTACT INFORMATION 108

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Datacom Systems D56 Specifications Page 46

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