The DS31404DK is an easy-to-use evaluation kit for the DS31404 dual DPLL timing IC. A surface-mounted DS31404 and careful layout provide maximum signal integrity. An on-board low-phase-noise stratum 3 quality oscillator is provided for device compliance evaluation. Additionally, the board can accept an external oscillator input for testing alternate oscillators and oscillator frequencies. All DS31404 input clocks are accessible via a combination of SMA and SMB connectors. All DS31404 output clocks are accessible via a combination of SMA and SMB connectors to allow easy evaluation of the device’s CML, LVDS/LVPECL, and CMOS output clock signals. LEDs on the board indicate interrupt, DPLL lock, selected reference fail, and GPIO output status. Additionally, the GPIO, interrupt, and JTAG I/O signals are also accessible via header pins. Finally, an on-board microcontroller and USB interface provide easy configuration and monitoring of the DS31404 via a software application.
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DS31404DK (pdf) |
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Data Sheet May 2012 The DS31404DK is an easy-to-use evaluation kit for the DS31404 dual DPLL timing IC. A surface-mounted DS31404 and careful layout provide maximum signal integrity. An on-board low-phase-noise stratum 3 quality oscillator is provided for device compliance evaluation. Additionally, the board can accept an external oscillator input for testing alternate oscillators and oscillator frequencies. All DS31404 input clocks are accessible via a combination of SMA and SMB connectors. All DS31404 output clocks are accessible via a combination of SMA and SMB connectors to allow easy evaluation of the device’s CML, LVDS/LVPECL, and CMOS output clock signals. LEDs on the board indicate interrupt, DPLL lock, selected reference fail, and GPIO output status. Additionally, the GPIO, interrupt, and JTAG I/O signals are also accessible via header pins. Finally, an on-board microcontroller and USB interface provide easy configuration and monitoring of the DS31404 via a software application. Demo Kit Contents DS31404DK Board Power Supply USB Cable SMA-to-BNC and SMB-to-BNC Cable Adapters Ordering Information PART NUMBER DESCRIPTION DS31404DK Demo Kit for DS31404 DS31404 Demo Kit Soldered DS31404 for Best Signal Integrity SMA and SMB Connectors For Easy Connectivity Connectors and Termination for Four Differential Input Clocks On-Board Stratum 3 Quality Local Oscillator with Footprints for Other TCXO an OCXO Sizes External Local Oscillator Testing Support LEDs for Interrupt, DPLL Lock, Selected Reference Fail, and GPIO Status Banana-Jack 5V and GND Connectors Support Use of Lab Power Supplies Easy-to-Read Silkscreen Labels Identify the Signals Associated with All Connectors, Jumpers, and LEDs Application Software Provides Easy GUI-Based Configuration and Monitoring of Most Common Device Features and Register Level Access to Entire Device Register Set Software Support for Creating and Running Configuration Scripts Saves Time During Evaluation and System Design Minimum System Requirements PC Running Windows XP or Windows 2000 Display with 1024x768 Resolution or Higher Available USB Port DS31404DK Table of Contents OVERVIEW 4 BOARD FLOORPLAN AND CONFIGURATION 4 POWER SUPPLY 5 USB CONNECTION 5 INPUT CLOCK CONNECTORS 5 OUTPUT CLOCK 5 ON-BOARD/EXTERNAL MCLKOSC CONFIGURATION 6 GPIO AND INTERRUPT 7 JTAG 7 DEFAULT HARDWARE CONFIGURATION 7 SOFTWARE INSTALLATION 8 SOFTWARE APPLICATION 8 USB VIRTUAL COM PORT DEVICE DRIVER 8 COMMAND LINE 8 SOFTWARE APPLICATION OVERVIEW 9 MAIN 9 INPUT CLOCK CONFIGURATION 12 DPLL CONFIGURATION AND STATUS MENU 13 OUTPUT CLOCK MENU OC1 AND OC3 14 OUTPUT CLOCK MENU OC4 15 I/O PIN CONFIGURATION MENU 16 REGISTER VIEW MENU 17 CONFIGURATION SCRIPTS AND LOG FILE 18 Configuration Log File 18 Configuration 18 DS31404DK List of Figures Figure 1 Main Menu Window 9 Figure 2 Input Clock Configuration Menu 12 Figure 3 DPLL Configuration and Status Menu 13 Figure 4 Output Clock Configuration Menu OC1 and OC3 14 Figure 5 Output Clock Configuration Menu OC4 15 Figure 6 I/O Pin Configuration Menu 16 Figure 7 Register View Menu 17 List of Tables Table 1 DS31404DK Input Clock Connectors 5 Table 2 Output Clock 5 Table 3 MCLKOSC 6 Table 4 Switch SW2 MCLKOSC Frequency 6 Table 5 Default Hardware Configuration 7 Table 6 Example APLL Output Clock 14 DS31404DK Overview Board Floorplan and Configuration USB uP Plug. Pwr Supply CML clock outputs, highest speed, lowest jitter DS31404DK03A0 clock outputs clock inputs DS31404 clock outputs clock inputs oscillator, TCXO or OCXO frame sync inputs frame sync outputs When the board is oriented as shown above, the DS31404 is in the middle of the board, the input clock connectors are on the left side, and output clock connectors are on the right side. The DS31404's local oscillator is down and to the left of the DS31404. Power and ground banana jacks are top-center. The jack for the wall-plug 5V power supply is to the left of the 5V jack. The board microprocessor and USB interface jack are top-left. Frame sync inputs 2kHz or 8kHz are bottom-edge left, and 2kHz and 8kHz frame sync outputs are bottom-edge right. See section 8 for board schematics and bill of materials. DS31404DK Power Supply Connection |
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