Scheda Tecnica (LMK04816BEVAL/NOPB)SommarioTABLE OF CONTENTS2GENERAL DESCRIPTION4EVALUATION BOARD KIT CONTENTS4AVAILABLE LMK04816 EVALUATION BOARDS4AVAILABLE LMK04816 FAMILY DEVICES4QUICK START5DEFAULT CODELOADER MODES FOR EVALUATION BOARDS6EXAMPLE: USING CODELOADER TO PROGRAM THE LMK0481671. START CODELOADER 4 APPLICATION72. SELECT DEVICE73. PROGRAM/LOAD DEVICE84. RESTORING A DEFAULT MODE85. VISUAL CONFIRMATION OF FREQUENCY LOCK96. ENABLE CLOCK OUTPUTS9PLL LOOP FILTERS AND LOOP PARAMETERS11PLL 1 LOOP FILTER11122.88 MHz VCXO PLL11PLL2 LOOP FILTER12EVALUATION BOARD INPUTS AND OUTPUTS13RECOMMENDED TEST EQUIPMENT21PROGRAMMING 0-DELAY MODE IN CODELOADER22OVERVIEW22DUAL LOOP 0-DELAY MODE EXAMPLES22Programming Steps22Details22SINGLE LOOP 0-DELAY MODE EXAMPLES24Programming Steps24Details24APPENDIX A: CODELOADER USAGE26PORT SETUP TAB26CLOCK OUTPUTS TAB27PLL1 TAB29Setting the PLL1 VCO Frequency and PLL2 Reference Frequency30PLL2 TAB31BITS/PINS TAB32REGISTERS TAB37APPENDIX B: TYPICAL PHASE NOISE PERFORMANCE PLOTS38PLL138122.88 MHz VCXO Phase Noise38Clock Output Measurement Technique39Buffered Phase Noise39CLOCK OUTPUTS (CLKOUT)40LMK04816B CLKout Phase Noise40LMK04816B OSCout Phase Noise41APPENDIX C: SCHEMATICS43POWER SUPPLIES43LMK04816B DEVICE WITH LOOP FILTER AND CRYSTAL CIRCUITS44REFERENCE INPUTS (CLKIN0, CLKIN1, & CLKIN2), EXTERNAL VCXO (OSCIN) & VCO CIRCUITS45CLOCK OUTPUTS (OSCOUT0, CLKOUT0 TO CLKOUT3)46CLOCK OUTPUTS (CLKOUT4 TO CLKOUT7)47CLOCK OUTPUTS (CLKOUT8 TO CLKOUT11)48UWIRE HEADER, LOGIC I/O PORTS AND STATUS LEDS49USB INTERFACE50APPENDIX D: BILL OF MATERIALS51APPENDIX E: PCB LAYERS STACKUP56APPENDIX F: PCB LAYOUT57LAYER #1 – TOP57LAYER #2 – RF GROUND PLANE (INVERTED)58LAYER #3 – VCC PLANES59LAYER #4 – GROUND PLANE (INVERTED)60LAYER # 5 – VCC PLANES 261LAYER #6 – BOTTOM62LAYERS #1 AND 6 – TOP AND BOTTOM (COMPOSITE)63APPENDIX G: PROPERLY CONFIGURING LPT PORT65LPT DRIVER LOADING65CORRECT LPT PORT/ADDRESS65CORRECT LPT MODE66APPENDIX H: TROUBLESHOOTING INFORMATION67CONFIRM COMMUNICATIONS67CONFIRM PLL1 OPERATION/LOCKING67CONFIRM PLL2 OPERATION/LOCKING68Dimensioni: 2,47 MBPagine: 76Language: EnglishApri il manuale
