
SiT6503EB HW UM Rev. 1.01
SiT6503EB Evaluation Board (EVB) HW User Manual
Contents
1 Introduction............................................................................................................................................. 1
2 SiT6503EB Features ................................................................................................................................. 2
3 SiT6503EB Support Collateral.................................................................................................................. 2
4 Connectors Descriptions.......................................................................................................................... 2
5 Test Points Descriptions .......................................................................................................................... 3
6 Jumpers Default List ................................................................................................................................ 4
7 Default Resistor Connection from FTDI to SiT95148............................................................................... 5
8 Status LEDs .............................................................................................................................................. 6
9 SiT6503EB Power Supplying .................................................................................................................... 7
10 I2C/SPI Mode Connection ........................................................................................................................ 9
11 Clock Inputs ...........................................................................................................................................10
12 Clock Outputs ........................................................................................................................................ 10
12.1 Output Differential Termination................................................................................................... 11
12.1.1 LVDS, CML..........................................................................................................................11
12.1.2 LVPECL ...............................................................................................................................12
12.1.3 HCSL...................................................................................................................................12
13 Quick Start ............................................................................................................................................. 12
Appendix A: EVB Schematic Diagrams........................................................................................................14
Appendix B: EVB Top View.......................................................................................................................... 34
1Introduction
The SiT6503EB Evaluation Board (EVB) is designed for evaluating the following Programmable clock
generator and jitter attenuating clock synthesizers:
-SiT95141
-SiT95145
-SiT95148