VersaClock 5 - 5P49V5943/44 Evaluation Boards USER GUIDE Introduction The evaluation board is designed to help the customer evaluate the 5P49V5943/44, the latest addition to the family of programmable devices in IDT s Timing portfolio. When the board is connected to a PC running IDT Timing Commander Software through USB, the device can be configured and programmed to generate frequencies with best-in-class performances. Board Overview Use the following diagram and table to identify: power supply jacks, USB connector, input and output frequency SMA connectors. Figure 1. 5P49V4943/44 Evaluation Board REVISION A 07/29/15 1 2015 Integrated Device Technology, Inc. VERSACLOCK 5 - 5P49V5943/44 Evaluation Boards Table 1: 5P49V5943/44 EBV Pins and Functions Item Name On-Board Connector Function Label 1 Output 0 J3 Single ended buffered output of input reference clock 4-way header to select a power supply method for output 0. The Output Voltage Power 2 OUT0 SELB I2C : JP2 center pin is the output voltage. Use jumper JP2 to select 3.3V, 2.5V, Supply Selector 1.8V or VDDO J supply. VDDO J is the voltage from J15 3 Power Supply Jack J16 Connect 3.3V, 2.5V or 1.8V for the core voltage of the device Input Voltage Power Supply Provides selection of VDDA REG supply from regulators or VDDD J 4 JP3 Selector supply from J16 5 CLKIN S J1 SMA Pair used to monitor differential input CLKIN 6 Clock Input J2/J4 Used as primary clock input in 5P49V5943 7 CLKINB S J5 SMA Pair used to monitor differential input CLKINB Input Voltage Power Supply Provides selection of VDDD REG supply from regulators or 8 JP5 Selector VDDD J supply from J16 Used as primary single ended clock input in 5P49V5944. Maximum 9Xin J6 full swing limited to 1.2V Used for connection with a PC and for interaction with the IDT Timing 10 USB Interface J18 Commander Software. 4-way header to select a power supply method for output 1. The Output Voltage Power 11 OUT1 : JP4 center pin is the output voltage. Use jumper JP4 to select a 3.3V, Supply Selector 2.5V, 1.8V or VDDO J supply. VDDO J is the voltage from J15 12 Output 1 J10/J9 Can be differential pair output or two individual single ended outputs Used for grounding. If J15 and/or J16 is used for power supply, this 13 Ground Jack J17 jack functions as the power return. 14 Aardvark Connector JP1 For Aardvark connection S1: Output Enable(OE/SD) S2: Sel0 15 DIP Switch U2 S3: Sel1 2 C mode S8: Sel 1:0 Default: I 4-way header to select a power supply method for output 2. The Output Voltage Power 16 JP6 center pin is the output voltage. Use jumper JP6 to select a 3.3V, Supply Selector 2.5V, 1.8V or VDDO J supply. VDDO J is the voltage from J15 17 Output 2 J13/J11 Can be differential pair output or two individual single ended outputs 18 Output Voltage Jack J15 Connect 3.3V, 2.5V or 1.8V for the core voltage of the device 2 REVISION A 07/29/15