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Si5397C/D
Silicon Laboratories Si5397C/D Manuals
Manuals and User Guides for Silicon Laboratories Si5397C/D. We have
1
Silicon Laboratories Si5397C/D manual available for free PDF download: Reference Manual
Silicon Laboratories Si5397C/D Reference Manual (317 pages)
Brand:
Silicon Laboratories
| Category:
Computer Hardware
| Size: 2 MB
Table of Contents
Table of Contents
2
1 Work Flow Using Clockbuilder Pro and the Register Map
6
Field Programming
6
2 Family Product Comparison
7
3 Functional Description
8
DSPLL and Multisynth
8
Dividers
9
DSPLL Loop Bandwidth
10
4 Modes of Operation
12
Reset and Initialization
13
Dynamic PLL Changes
14
NVM Programming
15
Free Run Mode
16
Lock Acquisition Mode
16
Locked Mode
16
Holdover Mode
17
5 Clock Inputs
20
Input Source Selection
20
Manual Input Switching
21
Automatic Input Switching
21
Types of Inputs
22
Unused Inputs
24
Hitless Input Switching with Phase Buildout
25
Ramped Input Switching
26
Hitless Switching, LOL (Loss of Lock) and Fastlock
26
External Clock Switching
26
Synchronizing to Gapped Input Clocks
27
Rise Time Considerations
28
Fault Monitoring
29
Input Loss of Signal (LOS) Fault Detection
30
Out of Frequency (OOF) Fault Detection
31
Loss of Lock (LOL) Fault Monitoring
33
Interrupt Pin (INTR)
35
6 Outputs
37
Output Crosspoint Switch
38
Output Divider (R) Synchronization
39
Performance Guidelines for Outputs
39
Output Signal Format
40
Differential Output Terminations
41
Differential Output Swing Modes
42
Programmable Common Mode Voltage for Differential Outputs
43
LVCMOS Output Terminations
43
LVCMOS Output Impedance and Drive Strength Selection
43
LVCMOS Output Signal Swing
44
LVCMOS Output Polarity
45
Output Driver Settings for LVPECL, LVDS, HCSL, and CML
46
Setting the Differential Output Driver to Non-Standard Amplitudes
47
Output Enable/Disable
48
Output Driver State When Disabled
49
Synchronous Output Enable/Disable Feature
50
Output Buffer Supply Voltage Selection
50
7 Digitally-Controlled Oscillator (DCO) Mode
51
Frequency Increment/Decrement Using Pin Controls
52
Frequency Increment/Decrement Using the Serial Interface
54
DCO with Direct Register Writes
56
8 Frequency-On-The-Fly for Si5397/96
57
9 Serial Interface
59
I 2 C Interface
61
SPI Interface
63
10 XAXB References
68
External References
68
Recommended Crystals and Oscillators
68
Register Settings to Configure for External XTAL Reference
69
XAXB_EXTCLK_EN Reference Clock Selection Register
69
PXAXB Pre-Scale Divide Ratio for Reference Clock Register
69
11 Internal Reference
70
12 Crystal, XO and Device Circuit Layout Recommendations
71
64-Pin QFN Si5397 Layout Recommendations
71
Si5397 XO Guidelines
71
Si5397 Crystal Guidelines
72
Si5397 Output Clocks
78
64-Pin LGA Si5397 Layout Recommendations
79
44-Pin QFN Si5396 Layout Recommendations
80
Si5396 XO Guidelines
80
Si5396 Crystal Guidelines
81
44-Pin LGA Si5396 Layout Recommendations
86
13 Power Management
87
Power Management Features
87
Power Supply Recommendations
87
Power Supply Sequencing
87
Grounding Vias
88
14 Register Map
89
Base Vs. Factory Preprogrammed Devices
89
Base" Devices (A.k.a. "Blank" Devices)
89
Factory Preprogrammed" (Custom OPN) Devices
89
Register Map Overview and Default Settings Values
90
15 Si5397A/B Register Map
91
Registers Si5397A/B
91
Registers Si5397A/B
111
Registers Si5397A/B
117
Registers Si5397A/B
128
Registers Si5397A/B
130
Registers Si5397A/B
140
Registers Si5397A/B
150
Registers Si5397A/B
160
Registers Si5397A/B
170
Page a Registers Si5397A/B
171
Page B Registers Si5397A/B
172
Page C Registers Si5397A/B
175
16 Si5397C/D Register Map
177
Registers Si5397C/D
177
Registers Si5397C/D
197
Registers Si5397C/D
201
Registers Si5397C/D
212
Registers Si5397C/D
214
Registers Si5397C/D
224
Registers Si5397C/D
234
Registers Si5397C/D
244
Registers Si5397C/D
254
Page a Registers Si5397C/D
255
Page B Registers Si5397C/D
256
Page C Registers Si5397C/D
259
17 Si5396 Register Map
261
Registers Si5396
261
Registers Si5396
278
Registers Si5396
282
Registers Si5396
290
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