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Texas Instruments CDCM7005 manuale d’uso - BKManuals
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Texas Instruments CDCM7005 manuale d’uso

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Un buon manuale d’uso

Le regole impongono al rivenditore l'obbligo di fornire all'acquirente, insieme alle merci, il manuale d’uso Texas Instruments CDCM7005. La mancanza del manuale d’uso o le informazioni errate fornite al consumatore sono la base di una denuncia in caso di inosservanza del dispositivo con il contratto. Secondo la legge, l’inclusione del manuale d’uso in una forma diversa da quella cartacea è permessa, che viene spesso utilizzato recentemente, includendo una forma grafica o elettronica Texas Instruments CDCM7005 o video didattici per gli utenti. La condizione è il suo carattere leggibile e comprensibile.

Che cosa è il manuale d’uso?

La parola deriva dal latino "instructio", cioè organizzare. Così, il manuale d’uso Texas Instruments CDCM7005 descrive le fasi del procedimento. Lo scopo del manuale d’uso è istruire, facilitare lo avviamento, l'uso di attrezzature o l’esecuzione di determinate azioni. Il manuale è una raccolta di informazioni sull'oggetto/servizio, un suggerimento.

Purtroppo, pochi utenti prendono il tempo di leggere il manuale d’uso, e un buono manuale non solo permette di conoscere una serie di funzionalità aggiuntive del dispositivo acquistato, ma anche evitare la maggioranza dei guasti.

Quindi cosa dovrebbe contenere il manuale perfetto?

Innanzitutto, il manuale d’uso Texas Instruments CDCM7005 dovrebbe contenere:
- informazioni sui dati tecnici del dispositivo Texas Instruments CDCM7005
- nome del fabbricante e anno di fabbricazione Texas Instruments CDCM7005
- istruzioni per l'uso, la regolazione e la manutenzione delle attrezzature Texas Instruments CDCM7005
- segnaletica di sicurezza e certificati che confermano la conformità con le norme pertinenti

Perché non leggiamo i manuali d’uso?

Generalmente questo è dovuto alla mancanza di tempo e certezza per quanto riguarda la funzionalità specifica delle attrezzature acquistate. Purtroppo, la connessione e l’avvio Texas Instruments CDCM7005 non sono sufficienti. Questo manuale contiene una serie di linee guida per funzionalità specifiche, la sicurezza, metodi di manutenzione (anche i mezzi che dovrebbero essere usati), eventuali difetti Texas Instruments CDCM7005 e modi per risolvere i problemi più comuni durante l'uso. Infine, il manuale contiene le coordinate del servizio Texas Instruments in assenza dell'efficacia delle soluzioni proposte. Attualmente, i manuali d’uso sotto forma di animazioni interessanti e video didattici che sono migliori che la brochure suscitano un interesse considerevole. Questo tipo di manuale permette all'utente di visualizzare tutto il video didattico senza saltare le specifiche e complicate descrizioni tecniche Texas Instruments CDCM7005, come nel caso della versione cartacea.

Perché leggere il manuale d’uso?

Prima di tutto, contiene la risposta sulla struttura, le possibilità del dispositivo Texas Instruments CDCM7005, l'uso di vari accessori ed una serie di informazioni per sfruttare totalmente tutte le caratteristiche e servizi.

Dopo l'acquisto di successo di attrezzature/dispositivo, prendere un momento per familiarizzare con tutte le parti del manuale d'uso Texas Instruments CDCM7005. Attualmente, sono preparati con cura e tradotti per essere comprensibili non solo per gli utenti, ma per svolgere la loro funzione di base di informazioni e di aiuto.

Sommario del manuale d’uso

  • Pagina 1

    CDCM7005 ( QFN P ackage) Evaluation M odule M anual HP A/High S peed Communications 2005 Clock Drivers User ’ s G uide SCAU015[...]

  • Pagina 2

    IMPORT ANT NOTICE T exas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orde[...]

  • Pagina 3

    EVM IMPORT ANT NOTICE T exas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation kit being sold by TI is intended for use for ENGINEERING DEVELOPMENT OR EV ALUA TION PURPOSES ONL Y and is not considered by TI to be fit for commercial use. As such, the goods being provided may not be complete in terms of[...]

  • Pagina 4

    EVM W ARNINGS AND RESTRICTIONS It is important to operate this EVM within the supply voltage range of 3 V and 3.6 V . Exceeding the specified input range may cause unexpected operation and/or irreversible damage to the EVM. If there are questions concerning the input range, please contact a TI field representative prior to connecting the input powe[...]

  • Pagina 5

    Related Documentation From T exas Instruments iii Preface Read This First About This Manual This manual explains how to use the CDCM7005 evaluation module (EVM) and provides guidelines to build the customer ’s own systems. The manual includes schematics, layout, bill of materials, and a software description. How to Use This Manual This document c[...]

  • Pagina 6

    Contents v Contents 1 Introduction 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 CDCM7005 Functional Block Diagram 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Quick Start 2-1 . . . . . . . . . . . . . . . .[...]

  • Pagina 7

    Contents vi Figures 3 − 1 Board View 3-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 − 1 Screen View 4-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 − 1 CDCM7005 [...]

  • Pagina 8

    1-1 Introduction Introduction The CDCM7005 is a high-performance, low phase noise and low skew clock synchronizer that synchronizes an on-board voltage controlled crystal oscillator (VC(X)O) frequency to an external reference clock. The device operates up to 2.2 GHz. The PLL loop bandwidth and damping factor can be adjusted to meet different system[...]

  • Pagina 9

    CDCM7005 Functional Block Diagram 1-2 1.1 CDCM7005 Functional Block Diagram PECL to L VCMOS Progr . Delay N PECL INPUT CTRL_LE CTRL_DA T A CTRL_CLK VCXO_IN CP_OUT PLL_LOCK ST A TUS_REF / PRI_SEC_CLK Bias Generator VBB VCC_CP VCC A VCC GND PRI_REF SEC_REF REF_SEL REF_MUX L VCMOS FB_MUX LV CMOS Y0B Y0A LV CMOS LV PECL LV CMOS Y1B Y1A LV CMOS LV PECL [...]

  • Pagina 10

    2-1 Quick Start Quick Start In order to setup the EVM quickly and to take some measurements at default settings, the following actions are required: - Supply 3.3 V to P1, LED D4 will be on. - Apply a single-ended reference clock to the reference clock input PRI_REF (pin A1) or SEC_REF (pin B1). For default setting, the reference clock must be 1/ 8 [...]

  • Pagina 11

    3-1 EVM Hardware EVM Hardware This chapter discusses the EVM hardware. T opic Page 3.1 Board View and Connector Location 3-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.2 Hardware Configuration 3-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Chapter 3[...]

  • Pagina 12

    Board View and Connector Location 3-2 3.1 Board View and Connector Location Figure 3 − 1. Board View 3.2 Hardware Configuration This section describes the board configuration using on-board jumpers and solder bridges. 3.2.1 Power Supply (P1, P2) - Supply 3.3 V ± 10% on P1 and P2 using a stabilized external power supply . J W ARNING: Never supply[...]

  • Pagina 13

    Hardware Configuration 3-3 EVM Hardware 3.2.3 Programming Interfaces (J30, J31) The SPI of the device is used for writing to the control register of the device. It consists of three control lines CTRL_CLK, CTRL_DA T A, and CTRL_LE. There are four 30-bit wide RAM registers, which can be addressed by the two LSBs of a transferred word. Every transmit[...]

  • Pagina 14

    Hardware Configuration 3-4 When the CDCM7005 is powered up, it defaults to five L VPECL outputs. However , this EVM is configured as follows: - Y0 − Y2 = L VPECL - Y3, Y4 = L VCMOS (in addition Y4 has an option for a custom filter) The reference input clock signal has to be applied to J1 or J6. The reference input clock signal can be sensed on J4[...]

  • Pagina 15

    4-1 Serial Peripheral Interface (SPI) Software Serial Peripheral Interface (SPI) Software This chapter discusses the serial peripheral interface software. T opic Page 4.1 Functional Description 4-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2 Software Installation 4-2 . . . . . . . . . . . . . . . . . . . . . [...]

  • Pagina 16

    Functional Description 4-2 4.1 Functional Description Programming software here as described is intended for programming the in- ternal control register of the CDCM7005. The software runs under Win- dows98, N T , 2000, and XP . A quick installation is required prior to use. See the Software Installation section. There are several cases where progra[...]

  • Pagina 17

    5-1 Application Circuit Diagram Application Circuit Diagram This chapter discusses the application circuit diagram. T opic Page 5.1 Application Circuit Diagram 5-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Chapter 5[...]

  • Pagina 18

    Application Circuit Diagram 5-2 5.1 Application Circuit Diagram The following applications sections the two loop filter configurations are discussed. 5.1.1 Passive Loop Filter The passive loop filter is a second order filter (two poles, one zero). The zero is required for the overall loop stability . R1, C1, and C2 generate the dominant pole of the[...]

  • Pagina 19

    Application Circuit Diagram 5-3 Application Circuit Diagram 5.1.2 External Active Loop Filter Using OP A341 Figure 5 − 2. CDCM7005 With a External Active Loop Filter Using OP A341 SPI PECL_OUT_B PECL_OUT V_CTRL VC(X)O CP_OUT CTRL_LE CTRL_DA T A CTRL_CLK CDCM7005 PLL_LOCK ST A TUS_VC(X)O ST A TUS_REF Vcc Low-Pass Filter Vcc InP InN Out OP A341 R 8[...]

  • Pagina 20

    6-1 Parts List, Board Layout, and Schematics Parts List, Board Layout, and Schematics This chapter contains the parts list, board layout, and schematics for the CDCM7005 EVM. T opic Page 6.1 Parts List 6-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.2 Board Layout 6-4 . . . . . . . . .[...]

  • Pagina 21

    Parts List 6-2 6.1 Parts List Item QTY Reference Designator Footprint Part Part Number 1 24 C1 − C9, C12, C13, C15, C17, C26, C40, C41, C46, C47, C53, C54, C56 − C58, C66 smd_cap_0402 10 nF Panasonic ECJ − 0EB1E103K 2 2 C72, C10 smd_cap_0402 100 nF Panasonic ECJ − 0EB1E104K 3 7 C1 1, C32, C62 − C64, C68, C73 smd_cap_0402 100 pF Panasonic [...]

  • Pagina 22

    Parts List 6-3 Parts List, Board Layout, and Schematics Item QTY Reference Designator Footprint Part Part Number 22 2 C74 smd_cap_1210 10 µ F Murata GRM32DR61E106KA12L C77 smd_cap_1210 10 µ F Murata GRM32DR61E106KA12L 23 1 C78 smd_cap_0805 NU Panasonic ECP − U1C104MA5 24 3 D1 − D3 smd_led_1206 Amber Lite − On L TST − C150AKT 25 1 D4 smd_l[...]

  • Pagina 23

    Parts List 6-4 Item QTY Reference Designator Footprint Part Part Number 48 7 R4, R6, R13, R15, R62, R63, R65 smd_res_0402 100 Ω Panasonic ERJ − 2RKF1000X 49 6 R5, R8, R14, R17, R21, R23 smd_res_0402 150 Ω Panasonic ERJ − 2RKF1500X 50 10 R25, R57, R59, R60, R68 − R71, R74, R75 smd_res_0402 10 k Ω Panasonic ERJ − 2RKF1002X 51 2 R28, R45[...]

  • Pagina 24

    Parts List 6-5 Parts List, Board Layout, and Schematics 6.2 Board Layout Figure 6 − 1. Component View and Silkscreen (T op View)[...]

  • Pagina 25

    Parts List 6-6 Figure 6 − 2. Component View and Silkscreen (Bottom V iew)[...]

  • Pagina 26

    Parts List 6-7 Parts List, Board Layout, and Schematics Figure 6 − 3. T op Layer View[...]

  • Pagina 27

    Parts List 6-8 Figure 6 − 4. Bottom Layer View[...]

  • Pagina 28

    Parts List 6-9 Parts List, Board Layout, and Schematics Figure 6 − 5. Ground Plane View[...]

  • Pagina 29

    Parts List 6-10 Figure 6 − 6. Power Layer View 6.3 Schematics The following pages contain the schematics for the CDCM7005 (QFN package).[...]

  • Pagina 30

    Parts List 6-1 1 Parts List, Board Layout, and Schematics 5 5 4 4 3 3 2 2 1 1 D D C C B B A A PWR_IN VCC GND AVCC GND GND AVCC GND GND VCC GND VCC_CP Title Size Document Number R e v D a te: Sheet of CDCM7005EVM_QFN − SCH A CDCM7005_QFN Evaluation Module B 45 Tuesday, April 26, 2005 C63 100P 1 2 C53 10n 1 2 C66 10n 1 2 C38 100n 1 2 C59 2.2n 1 2 C[...]

  • Pagina 31

    Parts List 6-12 5 5 4 4 3 3 2 2 1 1 D D C C B B A A REF_SEL PLLLOCK PLL_LOCK STAT_VCXO/I _REF_CP STAT_VCXO RESET RST PWRDWN PW R_ DW N GND VCC_CP AVCC AVCC VCC GND GND GND GND GND GND GND GND GND GND CP_OUT CTRL_LE CTRL_CLK CTRL_DATA PRI_REF SEC_REF VBB VCXO_IN VCXO_INB Y4 Y4B Y3 Y3B Y2 Y2B Y1 Y1B Y0B Y0 Title Size Document Number R e v D a te: She[...]

  • Pagina 32

    Parts List 6-13 Parts List, Board Layout, and Schematics 5 5 4 4 3 3 2 2 1 1 D D C C B B A A V_CTRL GND GND VCC GND GND GND VCC GND GND V_CTRL CP_OUT Title Size Document Number R e v D a te: Sheet of CDCM7005EVM_QFN − SCH A CDCM7005_QFN Evaluation Module B 15 Tuesday, April 26, 2005 V CHECK Passive Filter (Default Setting): short pin 1 & 3 on[...]

  • Pagina 33

    Parts List 6-14 5 5 4 4 3 3 2 2 1 1 D D C C B B A A Y3_SMA Y4B_SMA PRI_REFC LK PRI_CLK_SENSE OUTB OUT VCXO_IN_EXT V_CTRL VCXO_INB_EXT Y1_SMA Y1B_SMA SEC_ REFCLK VCXO_IN_SMA VCXO_INB_SMA Y0_SMA Y0B_SMA Y2_SMA Y2B_SMA Y3B_SMA Y4_SMA GND GND GND GND GND VCC GND GND GND VCC GND GND GND VCC GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND[...]

  • Pagina 34

    Parts List 6-15 Parts List, Board Layout, and Schematics 5 5 4 4 3 3 2 2 1 1 D D C C B B A A CLK DA T A SPI_DATA SPI_CLK SPI_LE LE GND GND GND VCC GND GND GND VCC GND VCC VCC CTRL_LE CTRL_DATA CTRL_CLK Title Size Document Number R e v D a te: Sheet of CDCM7005EVM_QFN − SCH A CDCM7005_QFN Evaluation Module B 55 Tuesday, April 26, 2005 R64 100K 1 2[...]