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Spectrum Digital, Inc

2-7

2.3.1 P1, JTAG Interface

The eZdsp

TM

F2804x is supplied with a 14-pin header interface, P1. This is the

standard interface used by JTAG emulators to interface to Texas Instruments DSPs.

The positions of the 14 pins on the P1 connector are shown in the diagram below as
viewed from the top of the eZdsp.

The definition of P1, which has the JTAG signals is shown below.

Table 2: P1, JTAG Interface Connector

Pin #

Signal

Pin #

Signal

1

TMS

2

TRST-

3

TDI

4

GND

5

PD (+5V)

6

no pin

7

TDO

8

GND

9

TCK-RET

10

GND

11

TCK

12

GND

13

EMU0

14

EMU1

Fig 2-4, P1 Pin Locations

1

2

P1

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Содержание eZdsp F2804 Series

Страница 1: ...eZdspTM F2804x 2006 DSP Development Systems Reference Technical...

Страница 2: ......

Страница 3: ...2804x Technical Reference 509165 0001 Rev B November 2006 SPECTRUM DIGITAL INC 12502 Exchange Dr Suite 440 Stafford TX 77477 Tel 281 494 4505 Fax 281 494 5310 sales spectrumdigital com www spectrumdig...

Страница 4: ...uct design software performance or infringement of patents or services described herein Nor does Spectrum Digital warrant or represent any license either express or implied is granted under any patent...

Страница 5: ...alog Interface 2 10 2 3 5 P6 Power Connector 2 11 2 3 6 P10 RS 232 Connector 2 12 2 3 7 Connector Part Numbers 2 13 2 4 eZdspTM F2804x Jumpers 2 14 2 4 1 JP4 Voltage Jumper 3 3 5 Volts for P8 P4 2 14...

Страница 6: ...ayout 2 14 Figure 2 12 JP6 Layout 2 15 Figure 2 13 SW1 Layout 2 16 Figure 2 14 SW2 Layout 2 19 List of Tables Table 2 1 eZdspTM F2804x Connectors 2 5 Table 2 2 P1 JTAG Interface Connector 2 7 Table 2...

Страница 7: ...d version Program listings program examples and interactive displays are shown in a special italic typeface Here is a sample program listing equations rd strobe rw Information About Cautions This book...

Страница 8: ...Table 1 Manual History Revision History A Preliminary Release Table 2 Board History Revision History A Prototype Release...

Страница 9: ...a description of the eZdspTM for the TMS320F2804x Digital Signal Processor key features and block diagram of the circuit board Topic Page 1 0 Overview of the eZdspTM F2804x 1 2 1 1 Key Features of th...

Страница 10: ...on the as shipped configuration To simplify code development and shorten debugging time a C2000 Tools Code Composer driver is provided In addition an onboard JTAG connector provides interface to emul...

Страница 11: ...c configuration for the eZdspTM F2804x The major interfaces of the eZdsp are the JTAG interface and expansion interface TMS320F2804x ANALOG TO DIGITAL CONVERTER USB PORT Figure 1 1 BLOCK DIAGRAM eZdsp...

Страница 12: ...Spectrum Digital Inc 1 4 eZdspTM F2804x Technical Reference...

Страница 13: ...Interface 2 8 2 3 4 P5 P9 Analog Interface 2 10 2 3 5 P6 Power Connector 2 11 2 3 6 P10 RS 232 Connector 2 12 2 3 7 Connector Part Numbers 2 13 2 4 eZdspTM F2804x Jumpers 2 13 2 4 1 JP4 Voltage Jumpe...

Страница 14: ...he eZdspTM F2804x consists of four major blocks of logic Analog Interface Connector I O Interface Connector JTAG Interface USB Port JTAG Controller Interface 2 1 The eZdspTM F2804x Board The eZdspTM F...

Страница 15: ...des more information on connector P6 2 2 eZdspTM F2804x Memory The eZdsp includes the following on chip memory 2 blocks of 1K x 16 single access RAM SARAM M0 M1 1 block of 8K x 16 SARAM Lo L1 The eZds...

Страница 16: ...00 6000 0x0000 7000 0x0000 8000 0x0000 9000 0x0000 A000 Block Start Address F2804x Data Space Program Space M0 SARAM M1 SARAM Peripheral Frame 0 Peripheral Frame 1 Pie Vector Table 256 x 16 Peripheral...

Страница 17: ...in 1 of each connector is identified by a square solder pad The function of each connector is shown in the table below Table 1 eZdspTM F2804x Connectors Connector Function P1 JTAG Interface P8 I O Int...

Страница 18: ...igital Inc 2 6 eZdspTM F2804x Technical Reference The diagram below shows the position of each connector Figure 2 3 eZdspTM F2804x Connector and Switch Positions P6 P5 P9 J201 SW1 P1 P10 P8 JP5 SW2 TM...

Страница 19: ...s Instruments DSPs The positions of the 14 pins on the P1 connector are shown in the diagram below as viewed from the top of the eZdsp The definition of P1 which has the JTAG signals is shown below Ta...

Страница 20: ...ct access to the integrated JTAG interface Drivers for C2000 Code Composer tools are shipped with the eZdspTM modules 2 3 3 P8 I O Interface The connector P8 presents the I O signals from the DSP The...

Страница 21: ...in P8 Signal 1 3 3V 5V NC 2 3 3V 5V NC 3 MUX_GPIO29 4 MUX_GPIO28 5 GPIO14 6 GPIO20 7 GPIO21 8 GPIO23 9 GPIO0 10 GPIO1 11 GPIO2 12 GPIO3 13 GPIO4 14 GPIO5 15 GPIO27 16 GPIO6 17 GPIO13 18 GPIO34 19 GND...

Страница 22: ...ystem for proper ADC operation Table 4 P5 P9 Analog Interface Connector P5 Pin Signal P9 Pin Signal P9 Pin Signal 1 ADCINB0 1 GND 2 ADCINA0 2 ADCINB1 3 GND 4 ADCINA1 3 ADCINB2 5 GND 6 ADCINA2 4 ADCINB...

Страница 23: ...ctor The connector has an outside diameter of 5 5 mm and an inside diameter of 2 5 mm The position of the P6 connector is shown below The diagram of P6 which has the input power is shown below Figure...

Страница 24: ...e pin positions for the P10 connector as viewed from the edge of the printed circuit board are shown below The pin numbers and their corresponding signals are shown in the table below This corresponds...

Страница 25: ...ects which GPIO pin 22 or 24 goes to Pinn33 of P8 The table below lists the jumpers and their function The following sections describe the use of each jumper Table 6 eZdspTM F2804x Suggested Connector...

Страница 26: ...to the expansion connector The user may connect the jumper by installing a jumper wire or zero ohm resistor The position of this jumper is shown in the figure below Jumper JP4 allows the user to provi...

Страница 27: ...r JP6 selects which signal GPIO22 or GPIO24 to be routed to Pin 33 P8 When the 1 2 jumper position is selected GPIO22 is connected to pin 33 P8 The 2 3 selection will route GPIOI24 to Pin 33 P8 The fi...

Страница 28: ...tch SW1 The eZdsp F2804x has a 6 position switch SW1 that allows the user to configure the board for their application The function of each position on SW1 is shown in the table below Table 10 SW1 Swi...

Страница 29: ...ng the EEPROM to be written When position 4 is in the Open state the EEPROM Write Protect is enabled not allowing the EEPROM to be written These positions are shown in the table below factory default...

Страница 30: ...ns are shown in the table below factory default 2 5 1 4 Switch SW1 Position 6 Serial EEPROM Address A1 Position 6 on switch SW1 are used to select if the address line A1 to the serial EEPROM is pulled...

Страница 31: ...are control and is tied to the GPIO34 pin on the DSP through a buffer These are shown in the table below Table 15 SW2 Switch Positions Position Function Settings 1 SCIA GPIO MUX Control Open High GPIO...

Страница 32: ...2 20 eZdspTM F2804x Technical Reference 2 7 Test Points The eZdspTM F2804x has two test points The signals they are tied to are shown in the table below Table 17 Test Points Test Point Signal J1 Anal...

Страница 33: ...hematics were drawn on ORCAD WARNING The TMS320F2804x supports 3 3V Input Output levels which are NOT 5V tolerant Connecting the eZdsp to a system with 5V Input Output levels will damage the TMS320F28...

Страница 34: ...E REV SH DATE 5 A 6 2 DATE REVISION STATUS OF SHEETS REV SH DWN A DATE ENGR SH DATE A CHK A MFG 1 APPLICATION NEXT ASSY DATE 3 A REV REVISIONS DESCRIPTION REV DATE APPROVED A Initial Release J A C R R...

Страница 35: ...R41 100K R15 0 R82 0 JP5 JMP 2MM A 1 B 2 FLASH 3 3V VDD I 0 3 3V VDD CORE 1 8V U20 TMS320F2804XPZ X1 88 X2 86 XRSn 78 TEST1 97 TEST2 98 TRSTn 84 TCK 75 TMS 74 TDI 73 TDO 76 EMU0 80 EMU1 81 ADCINA0 23...

Страница 36: ...4PIN DIP Make a solder connection on JP4 to the appropriate power supply TMS320F2804X supports 3 3V input output levels which are NOT 5V tolerant Connecting the eZdsp to a system with 5V input output...

Страница 37: ...162 0001 Wednesday August 16 2006 4 7 B TMS320F2804X EzDSP Uart Interface U24 MAX3238CPW DIN1 24 DIN2 23 DIN3 22 ROUT1 21 ROUT2 20 ROUT3 18 DOUT1 5 DOUT2 6 DOUT3 7 RIN1 8 RIN2 9 RIN3 11 FORCEON 13 FOR...

Страница 38: ...reset Power on default is PONRnIN controls XRSn USBSEL HIGH SELECT USB EMULATION USBSEL LOW SELECT XDS EMULATION Locate near DSP TCK pin Locate R7 R54 C70 at the DSP XRSn pin for best EMI ESD noise i...

Страница 39: ...ON WHEN 3 3V SUPPLY IS GREATER THEN 2 2 VOLTS REGULATOR TURN ON DELAY AND RAMP RATE WILL ENSURE THAT 3 3V SUPPLY IS AT 2 5 VOLTS OR HIGHER BEFORE THE 1 8V SUPPLY REACHES 0 3 VOLTS 18 2K 1 899V U16 WIL...

Страница 40: ...ision Sheet o f Title Page Contents A SPECTRUM DIGITAL INCORPORATED 509162 0001 Wednesday August 16 2006 7 7 B TMS320F2804X EzDSP LAYOUT DIAGRAM U18 SW501 P6 P4 P7 P8 P5 P9 U9 P1 U210 J201 L207 USB 90...

Страница 41: ...B 1 Appendix B eZdspTM F2804x MechanicaI Information This appendix contains the mechanical information about the socketed and unsocketed versions of the eZdspTM F2804x...

Страница 42: ...Spectrum Digital Inc B 2 eZdspTM F2804x Technical Reference This drawing is not to scale TMS320F2804x...

Страница 43: ......

Страница 44: ...Printed in U S A November 2006 509165 0001 Rev B...

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