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Texas Instruments TVP5154EVM manuel d'utilisation

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Table des matières du manuel d’utilisation

  • Page 1

    TVP5154EVM User's Guide Literature Number: SLEU069A February 2006 – Revised July 2006[...]

  • Page 2

    2 SLEU069A – February 2006 – Revised July 2006 Submit Documentation Feedback[...]

  • Page 3

    Contents 1 Functional Description ................................................................................................. 6 1.1 Description Overview ............................................................................................ 6 2 Board Level Description ......................................................................[...]

  • Page 4

    List of Figures 1 TVP5154EVM Block Diagram .............................................................................................. 7 2 Anti-Aliasing Filter Selection ................................................................................................ 8 3 TVP5154EVM System-Level Block Diagram ......................................[...]

  • Page 5

    List of Tables 1 I 2 C Address Selection Jumpers (I2CSEL1, JP9 and I2CSEL2, JP10) ................................................ 7 2 Power-Down-Mode Selection Jumper (PDN, JP11) .................................................................... 7 3 Main Menu Summary ...............................................................................[...]

  • Page 6

    1 Functional Description 1.1 Description Overview User's Guide SLEU069A – February 2006 – Revised July 2006 TVP5154EVM User's Guide The TVP5154EVM evaluation module is a printed circuit board designed for evaluation of the TVP5154 quad video decoder. The board includes the TMS320DM642 digital signal processor (DSP) and is designed wit[...]

  • Page 7

    www.ti.com 2 Board Level Description 2.1 Test Points and Jumpers Board Level Description The TVP5154EVM consists of the TVP5154EVM module and the encoder EVM module. A 4-row 120-pin connector connects the boards. The block diagram of the EVM set is shown in Figure 1 . Figure 1. TVP5154EVM Block Diagram The TVP5154EVM was designed with test points a[...]

  • Page 8

    www.ti.com 2.2 Common Board Interface 2.3 Video Input Description 2.4 Video Output Description Board Level Description Note: If the I 2 C address is changed on either the TVP5154 board or the encoder board while the TVP5154EVM is powered up, that device will not recognize the new I 2 C address. The reset button on the TVP5154EVM must be pressed and[...]

  • Page 9

    www.ti.com 3 System-Level Description 4 Required Hardware and Equipment 5 Hardware Setup System-Level Description A system-level block diagram incorporating the TVP5154 is shown in Figure 3 . Typical commercially-available test equipment is also shown. The primary features of this configuration are: • Power is provided by a single 5-V power suppl[...]

  • Page 10

    www.ti.com 6 Software Installation 7 WinVCC Quick Start Software Installation The system comes with the anti-alias filters bypassed. To connect the filters, you must rotate the appropriate jumpers (JP1–JP8) as described in section 2.3. The I 2 C slave address can be selected with jumpers JP9 and JP10. There are four possible addresses: B8, BA, BC[...]

  • Page 11

    www.ti.com WinVCC Quick Start Figure 4. WinVCC – I 2 C Configuration Screen 3. Ensure that all other boxes are selected as “Not Used” and that all program options buttons are set to ENABLE. Click OK. 4. If there are no I 2 C communication issues, the Real-Time Polling dialog window displays next as shown in Figure 5 . If there are I 2 C issue[...]

  • Page 12

    www.ti.com WinVCC Quick Start Figure 5. Real-Time Polling Dialog 6. The TVP5154 I 2 C Write Enable(s) and Read Enable pop-up window is displayed as shown in Figure 6 . This is used to select which decoder or decoders (any combination of all four) will receive I 2 C Write commands, and which decoder (only one) will receive I 2 C Read commands. Decod[...]

  • Page 13

    www.ti.com 8 WinVCC in Depth 8.1 Starting WinVCC WinVCC in Depth Figure 8. WinVCC – System Initialization 9. With video sources provided at the BNC connectors and the EVM output connected to a monitor, video from the source connected to CH1 should be viewable on the display monitor. 10. The other datasets in the command file are provided to demon[...]

  • Page 14

    www.ti.com 8.2 WinVCC Configuration Dialog Box 8.3 I 2 C System Test WinVCC in Depth The WinVCC Configuration dialog box (see Figure 10 ) should now be visible. This dialog box configures the I 2 C bus on the TVP5154EVM. All settings from this dialog box are stored in the Windows registry and are restored the next time the program is started. After[...]

  • Page 15

    www.ti.com 8.4 Real-Time Polling WinVCC in Depth The I 2 C system test can be run at anytime by clicking Run System I 2 C Test in the Tools menu. Figure 11. I 2 C System Failure Real-time polling provides polling functions that execute continuously in the background, when enabled via the Real-Time Polling dialog. There are two polling functions. Th[...]

  • Page 16

    www.ti.com 8.5 Main Menu WinVCC in Depth Figure 12. Real-Time Polling Dialog After closing the real-time polling dialog, the main menu is displayed as shown in Figure 13 . The menus, which are used to operate WinVCC, are File, Edit, Tools, Window, and Help. The File menu’s only function is Exit, which terminates the program. Table 3 summarizes th[...]

  • Page 17

    www.ti.com 8.5.1 System Initialization WinVCC in Depth The TVP5154 I 2 C Write Enable(s) and Read Enable pop-up window is displayed as shown in Figure 14 . This is used to select which decoder or decoders (any combination of all four) will receive I 2 C Write commands, and which decoder (only one) will receive I 2 C Read commands. Decoder 1 is Enab[...]

  • Page 18

    www.ti.com 8.5.1.1 Adding a Custom Dataset WinVCC in Depth Figure 15. System Initialization After programming the EVM via the System Initialization tool using the factory-supplied command file, you can customize the device register settings to fit your needs. Perform the following steps to save your custom settings: 1. Reopen the System Initializat[...]

  • Page 19

    www.ti.com 8.5.1.2 Command Files 8.5.1.3 Example Command File WinVCC in Depth The command file is a text file that can be generated using any common editor; however, it must be saved as plain text. Command files are especially useful for quickly switching between the various system configurations. These .CMD files are unrelated to the typical Windo[...]

  • Page 20

    www.ti.com 8.5.2 Register Editing 8.5.2.1 Register Map Editor WinVCC in Depth If the literal slave address method is used, the slave address entered is used directly. This method is normally used for programming the video encoder. The slave address 0x40h is used to access the DM642. • A delay may be inserted between commands using the WAIT comman[...]

  • Page 21

    www.ti.com 8.5.2.2 Encoder Module Register Map Editor 8.5.2.3 Generic I 2 C Register Editor WinVCC in Depth Table 4. TVP5154 Register Map Editor Controls CONTROL DEFINITION Register Window Scrolling text box that displays the address and data for the I 2 C registers that are defined for the device Contains the I 2 C subaddress that will be accessed[...]

  • Page 22

    www.ti.com 8.5.2.4 Memory Map Editor WinVCC in Depth The DM642 I 2 C registers can be edited using I 2 C sub-address 0x40. See Section 9 for details about the DM642 registers. The video encoder module registers can be edited using I 2 C sub-address 0x54 (default) or 0x56 if the alternate slave address is being used. Figure 18. Generic I 2 C Registe[...]

  • Page 23

    www.ti.com 8.6 TVP5154 Property Sheets WinVCC in Depth Table 5. Memory Map Editor Controls CONTROL DEFINITION Base Address Selector The hardware registers use a 10-bit address internally. The base address selector allows quick entry of the base address. The list contains base addresses for the major functional blocks of the TVP5154. Address Offset [...]

  • Page 24

    www.ti.com 8.6.1 Property Sheet Refresh 8.6.1.1 Auto-Update From Device WinVCC in Depth Figure 20. TVP5154 Property Sheets The property sheets are designed so that the data displayed is always current. Certain actions cause the entire register map to be read from the device and to update the property sheets. This happens when: • Property sheets a[...]

  • Page 25

    www.ti.com 9 Programming the TMS320DM642 9.1 Development and Purpose of DM642 Code Programming the TMS320DM642 Table 6. Use of Property Sheet Controls PROPERTY SHEETS DIALOG CONTROL WHAT DO I DO WITH IT? When is Hardware Updated? Read-Only Edit Box Read status information N/A Check Box Toggle a single bit After Apply Drop-Down List Select from a te[...]

  • Page 26

    www.ti.com 9.2 Details of the DM642 Code and Control Registers 9.2.1 DM642 Control Window Programming the TMS320DM642 Details of the DM642 code and control registers are: • The DM642 device address is 0x40h by default. The DM642 is setup as an I 2 C slave. • The DM642 executes code on power up from the flash using the PCI GPIO to control the ad[...]

  • Page 27

    www.ti.com 9.2.2 DM642 Virtual I 2 C Register Map Programming the TMS320DM642 When the DM642 Control window is opened, all readable registers for the device are read from software to initialize the dialog page. Register details are given in Table 8 . Values on the page are changed by manipulating the various dialog controls as described in Table 8 [...]

  • Page 28

    www.ti.com 9.2.3 DM642 Virtual I 2 C Register Details Quad 1 Quad 2 Quad 3 Quad 4 Decoder1 Scaled Decoder2 Unscaled Decoder2 Unscaled Decoder4 Scaled Programming the TMS320DM642 Table 10. Decoder 1 Register Address 00h Default 02h 7 6 5 4 3 2 1 0 Capture Reserved Position Capture Size Enable Capture Size Bit 2 Bit 1 Bit 0 Unscaled 0 0 0[...]

  • Page 29

    www.ti.com Quad 1 Quad 2 Quad 3 Quad 4 Programming the TMS320DM642 Note: The unscaled Decoder 2 displays in both Quadrant 2 and 3 since Decoder 2 takes priority over Decoder 3 when both are unscaled. Table 11. Decoder 2 Register Address 01h Default 12h 7 6 5 4 3 2 1 0 Capture Reserved Position Capture Size Enable Capture Size Bit 2 Bit 1 Bit 0 Unsc[...]

  • Page 30

    www.ti.com Quad 1 Quad 2 Quad 3 Quad 4 Programming the TMS320DM642 Table 12. Decoder 3 Register Address 01h Default 22h 7 6 5 4 3 2 1 0 Capture Reserved Position Capture Size Enable Capture Size Bit 2 Bit 1 Bit 0 Unscaled 0 0 0 QSIF – 176 × 120 0 0 1 SIF – 352 × 240 (1/4 NTSC) 010 (default) QCIF – 176 × 144 0 1 1 CIF – 352 × 288 (1/4 PA[...]

  • Page 31

    www.ti.com Quad 1 Quad 2 Quad 3 Quad 4 Programming the TMS320DM642 Capture Enable Bit 3 Disable (default) 0 Enable 1 Position Bit 5 Bit 4 Quadrant 1 0 0 Quadrant 2 0 1 Quadrant 3 1 0 Quadrant 4 (default) 1 1 Table 14. Decoder 1 Input Format Register Address 04h Default 01h 7 6 5 4 3 2 1 0 Reserved Input Color Standard Input Color Standard Bit 2 Bit[...]

  • Page 32

    www.ti.com Programming the TMS320DM642 Table 16. Decoder 3 Input Format Register Address 06h Default 01h 7 6 5 4 3 2 1 0 Reserved Input Color Standard Input Color Standard Bit 2 Bit 1 Bit 0 NTSC 0 0 0 (B, D, G, H, I, N) PAL 001 (default) Reserved . . . Table 17. Decoder 4 Input Format Register Address 07h Default 01h 7 6 5 4 3 2 1 0 Reserved Input [...]

  • Page 33

    www.ti.com 10 Troubleshooting 10.1 Troubleshooting Guide Troubleshooting This chapter discusses ways to troubleshoot the TVP5154EVM. If you are experiencing problems with the TVP5154EVM hardware or the WinVCC software, see Table 21 for available solutions. Table 21. TVP5154EVM Troubleshooting SYMPTOM CAUSE SOLUTION At startup, the error message Can[...]

  • Page 34

    www.ti.com Troubleshooting Table 21. TVP5154EVM Troubleshooting (continued) SYMPTOM CAUSE SOLUTION Make sure I 2 C slave address jumpers on Decoder I 2 C slave address is wrong. the TVP5154 decoder module are across pins 2 and 3. Slave address is hard coded to be 0x54 in the command file. Make sure the I 2 C slave Encoder I 2 C slave address is wro[...]

  • Page 35

    www.ti.com 10.2 Corrective Action Dialogs Troubleshooting Figure 22. I 2 C System Failure Dialog Box After closing the I 2 C system test report dialog box, a dialog box (see Figure 23 ) appears. Figure 23. Corrective Action Dialog Box 1. If the parallel port cable is NOT connected between to PC and the TVP5154EVM, or if the EVM power is not on: a. [...]

  • Page 36

    www.ti.com 10.2.1 Setting the PC Parallel Port Mode Troubleshooting Figure 24. Corrective Action Required 2. If the cable is connected from the PC parallel port to the TVP5154EVM and the EVM power is on: a. Click Yes. b. The dialog box shown in Figure 24 appears. This dialog box appears if the PC parallel port mode setting may need to be changed. N[...]

  • Page 37

    www.ti.com 10.2.2 General I 2 C Error Report 11 TVP5154EVM Schematics TVP5154EVM Schematics The I 2 C Error Report shown in Figure 26 appears when an I 2 C error occurs at any time other than after the I 2 C system test. In this example, there is acknowledge error at slave address 0x54 (the video encoder module). The error occurred on Read Cycle Ph[...]

  • Page 38

    1 2 3 4 5 6 A B C D 6 5 4 3 2 1 D C B A Scale Sheet Size FCSM No. DWG No. Rev 1 of 17 C 1 TEXAS INSTRUMENTS, INC . 12500 TI BL VD DAL LAS , T EXAS 75243 TVP5154E VM BL OCK D IAGRA M TVP5154EVM DVB R EV 1. 2 GP13_A19 GP15_A21 GP14_A20 DSP_TDO DSP_TDI DSP_TMS DSP_TCLK DSP_TRST# DSP_EMU[11..0] TED[63..0] TSDCAS# TSDRAS# TCE0# TBE0# TEA[22..3] TSDWE# T[...]

  • Page 39

    123456 A B C D 6 5 4 3 2 1 D C B A Scale Sheet Size FCSM No. DWG No. Rev 4 of 17 C 1 TEXAS INSTRUMENTS, INC . 12500 TI BL VD DAL LAS , T EXAS 75243 DM642 BL OCK D IAGRA M CH1_OUT[ 7.. 0] SCKS1 AV1 CH2_OUT[ 7.. 0] SCKS2 AV2 CH3_OUT[ 7.. 0] CH4_OUT[ 7.. 0] SCKS3 AV3 SCKS4 AV4 ENC_HS ENC_VS ENC_FID ENC_SCLK ENC_Y [7..0] ENC_C[7..0 ] DM642 Video Ports [...]

  • Page 40

    123456 A B C D 6 5 4 3 2 1 D C B A Scale Sheet Size FCSM No. DWG No. Rev 5 of 17 C 1 TEXAS INSTRUMENTS, INC . 12500 TI BL VD DAL LAS , T EXAS 75243 DM642 V I DEO P O RT Video Port 0 / McBSP0 / McASP Control Video Port 1 / McBSP1 / McASP Data Vide o Port 2 VIC VP0_D00 AF18 VP0_D01 AE18 CLK X0/VP0_D02 AF17 FSX0/V P0_D03 AF16 DX0/VP 0_D04 AE16 CLK S0/[...]

  • Page 41

    123456 A B C D 6 5 4 3 2 1 D C B A Scale Sheet Size FCSM No. DWG No. Rev 6 of 17 C 1 TEXAS INSTRUMENTS, INC . 12500 TI BL VD DAL LAS , T EXAS 75243 DM642 CL OCK S & RESE T C5 0.1uF I 1 O 3 GND 2 E1 EXCC ET103U + C169 10uF R81 2.2k R80 2.2k R12 NO POP R7 NO POP R39 10k R8 NO POP R31 1k 1 2 3 4 5 6 7 8 RN1 RPACK4-1 0k C6 0.1uF R30 1k L2 BLM 21P22[...]

  • Page 42

    123456 A B C D 6 5 4 3 2 1 D C B A Scale Sheet Size FCSM No. DWG No. Rev 10 of 17 C 1 TEXAS INSTRUMENTS, INC . 12500 TI BL VD DAL LAS , T EXAS 75243 DM642 E M IF & JT AF DSP_EMU1 DSP_EMU4 DSP_EMU0 DSP_EMU6 DSP_TMS DSP_EMU9 DSP_EMU5 DSP_EMU11 DSP_TDO DSP_EMU3 DSP_EMU8 DSP_EMU7 DSP_EMU10 DSP_TCLK DSP_TDI DSP_EMU2 DSP_TRST# TEA17 TEA15 TEA14 TEA3 [...]

  • Page 43

    1 2 3 4 56 A B C D 6 5 4 3 2 1 D C B A Scale Sheet Size FCSM No. DWG No. Rev 8 of 17 Orcad B 1 TEXAS INSTRUMENTS, INC. 12500 TI BLVD DALL AS, TEXAS 75243 DM642 PCI/HP I /EM A C R24 NO POP R25 NO POP PCI / HPI / EMAC HD00 / AD0 0 Y3 HD01 / AD0 1 AA1 HD03 / AD0 3 Y2 HD04 / AD0 4 W3 HWDTHSEL / HD05 / AD0 5 Y1 HD06 / AD0 6 W4 HD07 / AD0 7 W2 HD08 / AD0[...]

  • Page 44

    123456 A B C D 6 5 4 3 2 1 D C B A Scale Sheet Size FCSM No. DWG No. Rev 9 of 17 C 1 TEXAS INSTRUMENTS, INC . 12500 TI BL VD DAL LAS , T EXAS 75243 DM642 PO WER PI NS C30 0.01uF C33 0.01uF C31 0.01uF C24 0.01uF C28 0.01uF C18 0.01uF C15 0.01uF C66 0.1uF + C175 33uF C45 0.1uF C11 0.1uF + C170 10uF C22 0.01uF C38 0.1uF C29 0.01uF C20 0.01uF C10 0.1uF[...]

  • Page 45

    123456 A B C D 6 5 4 3 2 1 D C B A Scale Sheet Size FCSM No. DWG No. Rev 14 of 17 C 1 TEXAS INSTRUMENTS, INC . 12500 TI BL VD DAL LAS , T EXAS 75243 FLASH MEMORY R51 10k C73 0.1uF C72 0.1uF R52 10k A0 21 A1 20 A2 19 A3 18 A4 17 A5 16 A6 15 A7 14 A8 8 A9 7 A10 36 A11 6 A12 5 A13 4 A14 3 A15 2 A16 1 A17 40 A18 13 A21 29 DQ0 25 DQ1 26 DQ2 27 DQ3 28 DQ[...]

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    123456 A B C D 6 5 4 3 2 1 D C B A Scale Sheet Size FCSM No. DWG No. Rev 12 of 17 C 1 TEXAS INSTRUMENTS, INC . 12500 TI BL VD DAL LAS , T EXAS 75243 F&V BIT BREAKOUT C75 0.1uF C74 0.1uF C76 0.1uF C77 0.1uF C78 0.1uF CLK/I0 1 I1 2 I2 3 I3 4 I4 5 I5 6 I6 7 I7 8 I8 9 I9 10 I10 11 GND 12 I11 13 I/O0 14 I/O1 15 I/O2 16 I/O3 17 I/O4 18 I/O5 19 I/O6 2[...]

  • Page 47

    123456 A B C D 6 5 4 3 2 1 D C B A Scale Sheet Size FCSM No. DWG No. Rev 3 of 17 C 1 TEXAS INSTRUMENTS, INC . 12500 TI BL VD DAL LAS , T EXAS 75243 DAUGHTERCARD INTERFACE CH1_OUT0 CH1_OUT1 CH1_OUT2 CH1_OUT3 CH1_OUT4 CH1_OUT5 CH1_OUT6 CH1_OUT7 CH2_OUT0 CH2_OUT1 CH2_OUT2 CH2_OUT3 CH2_OUT4 CH2_OUT5 CH2_OUT6 CH2_OUT7 CH3_OUT0 CH3_OUT1 CH3_OUT2 CH3_OUT3[...]

  • Page 48

    1 2 3 4 5 6 A B C D 6 5 4 3 2 1 D C B A Scale Sheet Size FCSM No. DWG No. Rev 2 of 17 C 1 TEXAS INSTRUMENTS, INC . 12500 TI BL VD DAL LAS , T EXAS 75243 TVP5154 1 3 2 JP9 I2C ADR I2CSEL1 1 3 2 JP11 /PDN PDN INPUT V DIVIDER NETWORK I2C ADDRESS SELECTION FOR 0-0.75V INPUT RANGE 2-3 Base Addr 0xB 8 - Default POWERDOW N 1-2 Norm al O peration - Default[...]

  • Page 49

    1234 56 A B C D 6 5 4 3 2 1 D C B A Scale Sheet Size FCSM No. DWG No. Rev 11 of 17 B 1 TEXAS INSTRUMENTS, INC. 12500 TI BL VD DALLAS, TEXAS 75243 ANTI-ALIASING FI LTERS L10 2.2uH L5 2.2uH C222 330pF C224 330pF C207 8.2pF C212 330pF C203 8.2pF C213 330pF L11 2.2uH C223 330pF C225 330pF C209 8.2pF L6 2.2uH L4 2.2uH C214 330pF C215 330pF C204 8.2pF C2[...]

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    123456 A B C D 6 5 4 3 2 1 D C B A Scale Sheet Size FCSM No. DWG No. Rev 17 of 17 C 1 TEXAS INSTRUMENTS, INC . 12500 TI BL VD DAL LAS , T EXAS 75243 I2C 11 10 U2E SN74AH C05DR R85 2.2k R86 2.2k SDA C106 0.1uF R87 2.2k R88 2.2k R82 2.2k R83 2.2k R84 2.2k SCL R95 0 SDA R94 0 D3.3 V 8 7 6 5 4 3 2 14 1 15 16 17 18 19 20 13 12 11 10 9 21 22 23 24 25 26 [...]

  • Page 51

    123456 A B C D 6 5 4 3 2 1 D C B A Scale Sheet Size FCSM No. DWG No. Rev 13 of 17 C 1 TEXAS INSTRUMENTS, INC . 12500 TI BL VD DAL LAS , T EXAS 75243 SDRAM TED[63. .0] TSDCAS# TSDRAS# TCE0# TBE0# TEA[22. .3] TSDWE# VDD 1 D0 2 VDDQ 3 D1 4 D2 5 VSSQ 6 D3 7 D4 8 VDDQ 9 D5 10 D6 11 VSSQ 12 D7 13 NC 14 VDD 15 DQM0 16 /WE 17 /CAS 18 /RAS 19 /CS 20 A11 21 [...]

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    123456 A B C D 6 5 4 3 2 1 D C B A Scale Sheet Size FCSM No. DWG No. Rev 15 of 17 C 1 TEXAS INSTRUMENTS, INC . 12500 TI BL VD DAL LAS , T EXAS 75243 JTAG 1 2 4 5 3 U10 SN74L VC1G32DCK R R4 33 R5 33 1 2 4 5 3 U9 SN74L VC1G32DCK R R121 100 1% 1 3 5 7 9 2 4 8 10 11 12 13 14 H6 HEA D ER 7x2, Em ulation C132 0.1uF GND A1 GND A2 GND A3 GND A4 GND A5 GND [...]

  • Page 53

    12345678 A B C D 8 7 6 5 4 3 2 1 D C B A Scale Sheet Size FCSM No. DWG No. Rev 7 of 17 D 1 TEXAS INSTRUMENTS, INC. 12500 TI BLV D DALL AS, TEXAS 75243 POWER R122 330 POWER ON LED (+5V) F1 FUSE 2 3 1 P4 PJ-002BH D1 ZENER 5V, 3.0A DC I N PUT SS26 D5V D5V A 2 K 1 LED1 GRN_LED 1 2 3 H7 HEADER 3 + C227 47uF C228 22uF CONTROL 1 /RESIN 2 CT 3 GND 4 /RESET[...]

  • Page 54

    123456 A B C D 6 5 4 3 2 1 D C B A Scale Sheet Size FCSM No. DWG No. Rev 16 of 17 C 1 TEXAS INSTRUMENTS, INC . 12500 TI BL VD DAL LAS , T EXAS 75243 CONNECTOR FFOE/DIG_ V 1 FFRE/DIG _H 2 FFRSTWIN/ ~SCLK 3 FFWE/DVALID 4 FFIE/CCVALID 5 VGAV/SYNC _T 6 FSY/HC/ HSYA/~ BLNK 7 FFRSTW/ CBFLAG 8 FPDAT/VSYA/ M2 9 CLK5/M1 10 GND 11 PHI_D0 12 PHI_D1 13 PHI_D2 [...]

  • Page 55

    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[...]