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SiT6503EB HW UM Rev. 1.01 

Page 6 of 35 

www.sitime.com 

 

SiT6503EB Evaluation Board (EVB) HW User Manual 

Signal name 

Resistors 

S = 0 ohm Short           
O = DNP 

ADBUS7 

R161 

O 

ACBUS3 

R163 

O 

ACBUS4 

R165 

O 

I2C1_SPIO 

R169 

S 

RSTB 

R171 

S 

TEST_EN 

R173 

O 

8

 

Status LEDs 

Table 5

 lists the Status LEDs on the SiT6503EB EVB shown in 

Figure 1

. 

Table 5. SiT6503EB Status LEDs 

Location 

Color 

Status Function indication 

D5 

Blue 

Main USB +5V present 

D6 

Blue 

Reserved USB +5V present (Is not populated normally) 

D12 

Green 

FTDI VDD (+5V) present  

D13 

Green 

+3.3V is present 

*Note: 

All LEDs are illuminated when corresponding voltages are present. 

 

Figure 1. Status LEDs 

Содержание SiT6503EB

Страница 1: ...m FTDI to SiT95148 5 8 Status LEDs 6 9 SiT6503EB Power Supplying 7 10 I2 C 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 1 Introduction The SiT6503EB Evaluation Board EVB is designed for evaluating the following ...

Страница 2: ... 3 SiT6503EB Support Collateral The SiT6503EB Evaluation Board is provided with the following collateral SiT6503EB EVB HW User Manual Time Master for Clocks SW Time Master for Clocks SW User Manual 4 Connectors Descriptions Table 1 lists the SiT6503EB EVB connectors Table 1 SiT6503EB connectors Connector Designators Description Power Control USB Type B connectors J3 for Device programming and 5V s...

Страница 3: ...iguring the SiT6503EB into I2 C and SPI Mode I2 C Mode is default one 10 pin Header J76 PullUp vs PullDown switch Headers 3 pin Headers J67 through J69 J72 through J74 J81 JVDD1 Signals switch Header 3 pin Header J71 PLL supply voltage source switching Header 3 pin Header J31 PLL supply voltage levels switching Header 3 pin Header J32 Left supply voltage source switching Header 3 pin Header J8 Lef...

Страница 4: ...Pin I J28 3 Pin 1 to 2 JSCL3 2 Pin I J6 3 Pin 2 to 3 J29 3 Pin 1 to 2 JSCL4 2 Pin I J8 3 Pin 1 to 2 J30 3 Pin 1 to 2 JSCL5 2 Pin I J9 3 Pin 1 to 2 J31 3 Pin 1 to 2 JSCL6 2 Pin I J10 3 Pin 1 to 2 J32 3 Pin O JSCL7 2 Pin I J11 3 Pin 1 to 2 J67 3 Pin O JSCL8 2 Pin I J12 2 Pin O J68 3 Pin O JSCL9 2 Pin I J13 3 Pin 1 to 2 J69 3 Pin O JSCL10 2 Pin I J14 3 Pin 1 to 2 J71 3 Pin O JSCL11 2 Pin I J15 3 Pin ...

Страница 5: ... Connection from FTDI to SiT95148 Table 4 lists the default resistor connection from FTDI to the SiT95148 Device on the EVB Table 4 Default Resistor connection from FTDI to DUT on the SiT6503EB Signal name Resistors S 0 ohm Short O DNP Flexio1_dut R150 S Flexio2_dut R152 S Flexio3_dut R154 S Flexio4_dut R156 S Flexio5_dut R158 S Flexio8_dut R160 S Flexio12_dut R162 S Flexio13_dut R164 S Flexio14_d...

Страница 6: ...171 S TEST_EN R173 O 8 Status LEDs Table 5 lists the Status LEDs on the SiT6503EB EVB shown in Figure 1 Table 5 SiT6503EB Status LEDs Location Color Status Function indication D5 Blue Main USB 5V present D6 Blue Reserved USB 5V present Is not populated normally D12 Green FTDI VDD 5V present D13 Green 3 3V is present Note All LEDs are illuminated when corresponding voltages are present Figure 1 Sta...

Страница 7: ...1 8V 2 5V and 3 3V with the Jumper option as shown in Figure 2 Please refer to SiT95148 datasheet for configuring the supply voltages on the VDDIN VDD and VDDOx pins and to the Table 6 for on board configuration options for SiT95148 Table 6 SiT6503EB Supply configuration Variant VDD VDDIN VDDOx SiT95148 1 8V 2 5V 3 3V 1 8V 2 5V 3 3V Figure 2 Supply Regulator for VDDIN VDDOx Note For changing the V...

Страница 8: ...d EVB HW User Manual There is a provision for connecting external supplies after bypassing the on board regulators for all the supplies as shown in Figure 3 Figure 3 External Supply Connection Provision PLLs supply circuitry is shown in Figure 4 Figure 4 Supply Regulator for PLLs ...

Страница 9: ...or configuring the SiT6503EB into I2 C and SPI Mode I2 C Mode is default one For I2 C Mode of Operation 1 SCLK_OUT is shorted to SCLK in J76 2 SDAIO_OUT is shorted to SDAIO in J76 3 CSB_OUT is shorted to CSB in J76 Figure 5 Supply Regulator for PLLs For SPI Mode of Operation 1 SCLK_OUT is shorted to SCLK in J76 2 SDAIO_OUT is shorted to SDAIO in J76 3 CSB_OUT is shorted to CSB in J76 4 SDO_OUT is ...

Страница 10: ...be used by driving the P side of the differential pair with the N input floating Figure 6 shows the Input Clock Termination Circuit for one of the 4 pairs Figure 6 Input Clock Termination Circuit 12 Clock Outputs When shipped from factory each of the twenty output drivers 10 differential pairs is ac coupled to its respective SMA connector this is the default configuration The output clock terminat...

Страница 11: ...s 12 1 1 LVDS CML The board is shipped to support LVDS CML in its default differential The signals are ac coupled with ceramic 0 1 uF capacitors instead of the corresponding series resistors RSExx Refer to Table 7 which are not populated Table 7 Output Port RSExx Resistors Output Port 0 1 2 3 4 5 6 7 8 9 10 0 1 uF capacitors RSE21 RSE22 RSE17 RSE19 RSE1 RSE5 RSE2 RSE6 RSE4 RSE7 RSE3 RSE8 RSE10 RSE...

Страница 12: ...46 VDD 3 3V 150 150 150 150 150 150 150 150 150 150 150 VDD 2 5V 120 120 120 120 120 120 120 120 120 120 120 Also ensure that jumpers JSCLxx as per Table 10 are populated to allow path to GND Table 10 Output Port Jumpers to GND Output Port 0 1 2 3 4 5 6 7 8 9 10 Jumpers to GND JSCL23 JSCL21 JSCL13 JSCL14 JSCL15 JSAL16 JSCL17 JSCL18 JSCL19 JSCL20 JSCL22 12 1 3 HCSL For HCSL output configuration ser...

Страница 13: ...is shown in Figure 8 Figure 8 SiT6503EB Starter Connection Diagram The general guidelines for single USB power supply operation are listed below Use either a USB 3 0 or USB 2 0 port These ports are specified to supply 900 mA and 500 mA respectively at 5V If you are working with a USB 2 0 port and you are current limited turn off enough DUT output voltage regulators to drop the total DUT current 47...

Страница 14: ...SiT6503EB HW UM Rev 1 01 Page 14 of 35 www sitime com SiT6503EB Evaluation Board EVB HW User Manual Appendix A EVB Schematic Diagrams EVB Top Level Diagram Figure A1 SiT6503EB Top Level Diagram ...

Страница 15: ...SiT6503EB HW UM Rev 1 01 Page 15 of 35 www sitime com SiT6503EB Evaluation Board EVB HW User Manual Power Supply Figure A2 SiT6503EB Power Supply Diagram ...

Страница 16: ...SiT6503EB HW UM Rev 1 01 Page 16 of 35 www sitime com SiT6503EB Evaluation Board EVB HW User Manual Left Supply Figure A3 SiT6503EB Left Supply Diagram ...

Страница 17: ...SiT6503EB HW UM Rev 1 01 Page 17 of 35 www sitime com SiT6503EB Evaluation Board EVB HW User Manual ODR1 Supply Figure A4 SiT6503EB ODR10 Supply Diagram ...

Страница 18: ...SiT6503EB HW UM Rev 1 01 Page 18 of 35 www sitime com SiT6503EB Evaluation Board EVB HW User Manual ODR2 Supply Figure A5 SiT6503EB ODR0 Supply Diagram ...

Страница 19: ...SiT6503EB HW UM Rev 1 01 Page 19 of 35 www sitime com SiT6503EB Evaluation Board EVB HW User Manual ODR3 Supply Figure A6 SiT6503EB ODR1 Supply Diagram ...

Страница 20: ...SiT6503EB HW UM Rev 1 01 Page 20 of 35 www sitime com SiT6503EB Evaluation Board EVB HW User Manual ODR4 Supply Figure A7 SiT6503EB ODR2 Supply Diagram ...

Страница 21: ...SiT6503EB HW UM Rev 1 01 Page 21 of 35 www sitime com SiT6503EB Evaluation Board EVB HW User Manual ODR5 Supply Figure A8 SiT6503EB ODR3 Supply Diagram ...

Страница 22: ...SiT6503EB HW UM Rev 1 01 Page 22 of 35 www sitime com SiT6503EB Evaluation Board EVB HW User Manual ODR6 Supply Figure A9 SiT6503EB ODR4 Supply Diagram ...

Страница 23: ...SiT6503EB HW UM Rev 1 01 Page 23 of 35 www sitime com SiT6503EB Evaluation Board EVB HW User Manual ODR7 Supply Figure A10 SiT6503EB ODR5 Supply Diagram ...

Страница 24: ...SiT6503EB HW UM Rev 1 01 Page 24 of 35 www sitime com SiT6503EB Evaluation Board EVB HW User Manual ODR8 Supply Figure A11 SiT6503EB ODR6 Supply Diagram ...

Страница 25: ...SiT6503EB HW UM Rev 1 01 Page 25 of 35 www sitime com SiT6503EB Evaluation Board EVB HW User Manual ODR9 Supply Figure A12 SiT6503EB ODR7 Supply Diagram ...

Страница 26: ...SiT6503EB HW UM Rev 1 01 Page 26 of 35 www sitime com SiT6503EB Evaluation Board EVB HW User Manual ODR10 Supply Figure A13 SiT6503EB ODR10 Supply Diagram ...

Страница 27: ...SiT6503EB HW UM Rev 1 01 Page 27 of 35 www sitime com SiT6503EB Evaluation Board EVB HW User Manual FTDI Supply Figure A14 SiT6503EB FTDI Supply Diagram ...

Страница 28: ...SiT6503EB HW UM Rev 1 01 Page 28 of 35 www sitime com SiT6503EB Evaluation Board EVB HW User Manual PLLs Supply Figure A15 SiT6503EB PLLs Supply Diagram ...

Страница 29: ...SiT6503EB HW UM Rev 1 01 Page 29 of 35 www sitime com SiT6503EB Evaluation Board EVB HW User Manual INPUT CLKS Figure A16 SiT6503EB INPUT CLKS Diagram ...

Страница 30: ...SiT6503EB HW UM Rev 1 01 Page 30 of 35 www sitime com SiT6503EB Evaluation Board EVB HW User Manual OUTPUT CLKS Figure A17 SiT6503EB OUTPUT CLKS Diagram ...

Страница 31: ...SiT6503EB HW UM Rev 1 01 Page 31 of 35 www sitime com SiT6503EB Evaluation Board EVB HW User Manual STATUS LEDS 2 Figure A18 SiT6503EB STATUS LEDS 2 ...

Страница 32: ...SiT6503EB HW UM Rev 1 01 Page 32 of 35 www sitime com SiT6503EB Evaluation Board EVB HW User Manual QFN SiT95148 DUT Figure A19 QFN SiT95148 DUT Diagram ...

Страница 33: ...SiT6503EB HW UM Rev 1 01 Page 33 of 35 www sitime com SiT6503EB Evaluation Board EVB HW User Manual FTDI Figure A20 SiT6503EB FTDI Diagram ...

Страница 34: ... SiT6503EB Evaluation Board EVB HW User Manual Appendix B EVB Top View Figure B1 SiT6503EB Top View USB Cable from PC Additional USB Power IN1 IN0 IN3 CLK9_OUT CLK8_OUT CLK7_OUT CLK6_OUT CLK5_OUT CLK4_OUT CLK10_OUT CLK3_OUT CLK2_OUT CLK1_OUT IN2 CLK0_OUT ...

Страница 35: ...ability and fitness for use or a particular purpose and any implied warranty arising from course of dealing or usage of trade as well as any common law duties relating to accuracy or lack of negligence with respect to this material any SiTime product and any product documentation Products sold by SiTime are not suitable or intended to be used in a life support application or component to operate n...

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