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User's Guide
SLAU199–March 2007
TSC2007EVM and TSC2007EVM-PDK User's Guide
This user's guide describes the characteristics, operation, and use of the
TSC2007EVM, both by itself and as part of the TSC2007EVM-PDK. This evaluation
module (EVM) is a 4-wire touch screen controller EVM which also has auxiliary input
and temperature measurement capabilities. A complete circuit description, schematic
diagram, and bill of materials are included.
The following related documents are available through the T
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www.ti.com EVM Overview 1 EVM Overview 1.1 Features • Full-featured evaluation board for the TSC2007 4-wire resistive touch screen controller (TSC). • Modular design for use with a variety of DSP and microcontroller interface boards. The TSC2007EVM-PDK is a complete evaluation kit, which includes a USB-based motherboard and evaluation software for use with a personal computer running Microsoft Windows™ operating systems. 1.2 Introduction The TSC2007EVM is in the Texas Instruments modular EVM for
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www.ti.com Digital Interface 3 Digital Interface The TSC2007EVM is designed to easily interface with multiple control platforms. Samtec part numbers SSW-110-22-F-D-VS-K and TSM-110-01-T-DV-P provide a convenient 10-pin, dual-row header/socket combination at J2. This header/socket provides access to the digital control and serial data pins of the TSC. Consult Samtec at www.samtec.com or call 1-800-SAMTEC-9 for a variety of mating connector options. Table 3. Digital Interface Pinout PIN NUMBER SIG
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www.ti.com EVM Operation 4.2 Stand-Alone Operation When used as a stand-alone EVM, power can be applied to TP1, referenced to TP3. CAUTION Verify that all power supplies are within the safe operating limits shown on the TSC2007 data sheet (SBAS405) before applying power to the EVM. 4.3 USB-MODEVM Interface Power The USB-MODEVM interface board can be powered from several different sources: • USB • 6 VDC-10 VDC AC/DC external wall supply (not included) • Laboratory power supply When powered from t
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www.ti.com Kit Operation Table 6. List of Jumpers JUMPER SHUNT POSITION JUMPER DESCRIPTION JMP1 2-3 Analog power select (default is +3.3VD) JMP2 Closed EEPROM address select. When installed and used with the USB-MODEVM, firmware for the motherboard is executed from the EEPROM on the TSC2007EVM. This is the default mode. 6 Kit Operation The following section provides information on using the TSC2007EVM-PDK, including setup, program installation, and program usage. 6.1 TSC2007EVM-PDK Block Diagram
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www.ti.com Kit Operation TSC2007EVM X+ SDA X− SCL Y+ TSC2007 Y− PENIRQ AUX EVMPosition1 ControlInterface SPI,I2C TAS1020B EVMPosition2 USB8052 USB microcontroller I2S,AC97 AudioInterface Figure 1. TSC2007EVM-PDK Block Diagram The USB-MODEVM interface board is intended to be used in USB mode, where control of the installed EVM is accomplished using the onboard USB controller device. However, provision is made for driving all 2 2 the data buses (I C, SPI™, and I S/AC97) externally. The source of t
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www.ti.com Kit Operation Place the CD-ROM into your PC CD-ROM drive. Locate the Setup program on the disk, and run it. The Setup program will install the TSC2007 Evaluation software on your PC. Accept the license agreement, and continue the installation. When the installation completes, click Finish on the TSC2007EVM installer window. You may be prompted to restart your computer. When installation is complete, attach a USB cable from your PC to the USB-MODEVM interface board. As configured at th
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www.ti.com Kit Operation 6.3 USB-MODEVM Interface Board The simple diagram shown in Figure 1 shows only the basic features of the USB-MODEVM interface board. The board is built around a TAS1020B streaming audio USB controller with an 8051-based core. The board features two positions for modular EVMs, or one double-wide serial modular EVM may be installed. For use with the TSC2007, the TSC2007EVM is installed in the topmost EVM slot, which connects the 2 TSC2007 digital control interface to the I
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www.ti.com EVM Bill of Materials The two power-down bits of the TSC2007 can be set from this panel as well. A brief description of the mode selected is shown on the screen when setting these bits; see Table 3 (Command Byte Definitions) of the TSC2007 data sheet (SBAS405) for details on what these bits do. 6.4.4 Datalogging The software can record the data it takes from the TSC2007 to a tab-delimited file, suitable for importing into spreadsheets. To do this, first go into the File menu, and sele
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www.ti.com EVM Bill of Materials Table 8. USB-MODEVM Bill of Materials Reference Designator Description Manufacturer Manufacturer's Part Number R4 10Ω 1/10W 5% Chip Resistor Panasonic ERJ-3GEYJ100V R10, R11 27.4Ω 1/16W 1% Chip Resistor Panasonic ERJ-3EKF27R4V R20 75Ω 1/4W 1% Chip Resistor Panasonic ERJ-14NF75R0U R19 220Ω 1/10W 5% Chip Resistor Panasonic ERJ-3GEYJ221V R14, R21, R22 390Ω 1/10W 5% Chip Resistor Panasonic ERJ-3GEYJ391V R13 649Ω 1/16W 1% Chip Resistor Panasonic ERJ-3EKF6490V R9 1.5KΩ
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www.ti.com TSC2007EVM Schematic Table 8. USB-MODEVM Bill of Materials (continued) Reference Designator Description Manufacturer Manufacturer's Part Number TP1, TP2, TP3, TP4, TP5, Miniature test point terminal Keystone Electronics 5000 TP6, TP9, TP10, TP11 TP7, TP8 Multipurpose test point Keystone Electronics 5011 terminal J7 USB Type B Slave Connector Mill-Max 897-30-004-90-000000 Thru-Hole J1, J2, J3, J4, J5, J8 2-position terminal block On Shore Technology ED555/2DS J9 2.5mm power connector C
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1 2 3 4 5 6 REVISION HISTORY REV ENGINEERING CHANGE NUMBER APPROVED D D VCC C2 10uF C1 TP4 TP5 TP6 TP7 X+ X- Y+ Y- 0.1uF U1 J2A (TOP) = SAM_TSM-110-01-L-DV-P J1 J2B (BOTTOM) = SAM_SSW-110-22-F-D-VS- 1 2 X+ X+ A3 B2 A0(-) A0(+) X+ A0 3 4 X- J2 A1(-) A1(+) 5 6 Y+ Y+ B3 C2 1 2 A2(-) A2(+) Y+ A1 CNTL GPIO0 7 8 Y- 3 4 A3(-) A3(+) CLKX DGND 9 10 X- C3 D1 SCL 5 6 AGND A4 X- SCL CLKR GPIO1 11 12 AUX 7 8 TP8 TP9 AGND A5 FSX GPIO2 13 14 AUX Y- D3 C1 SDA PENIRQ 9 10 AGND A6 Y- SDA FSR DGND 15 16 11 12 VCOM
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1 2 3 4 5 6 REVISION HISTORY REV ENGINEERING CHANGE NUMBER APPROVED IOVDD IOVDD C28 IOVDD +3.3VD +3.3VD C22 J10 U10 1uF Q1 EXT MCLK D D ZXMN6A07F 4 2 1uF RA1 U3 10K R3 R5 R20 TP9 2 14 75 2.7K 2.7K 1A VCC SN74LVC1G125DBV SDA 5 2A 9 3 SW2 3A 1Y 12 6 A0 16 1 4A 2Y J6 USB MCK 1 8 A1 15 2 1OE 3Y MCLK 4 11 A2 14 3 2 1 2OE 4Y Q2 USB I2S 10 I2SDIN USB I2S 13 4 4 3 3OE ZXMN6A07F 13 7 USB MCK 12 5 4OE GND BCLK EXTERNAL I2C USB SPI 11 6 SN74LVC125APW LRCLK USB RST 10 7 +3.3VD +3.3VD EXT MCK 9 8 IOVDD I2SDO
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1 2 3 4 5 6 REVISION HISTORY REV ENGINEERING CHANGE NUMBER APPROVED D D J11 J12 JMP5 1 2 1 2 A0(-) A0(+) CNTL GPIO0 3 4 3 4 A1(-) A1(+) CLKX DGND 5 6 5 6 A2(-) A2(+) CLKR GPIO1 7 8 7 8 A3(-) A3(+) FSX GPIO2 9 10 9 10 AGND A4 FSR DGND 11 12 11 12 AGND A5 DX GPIO3 13 14 13 14 AGND A6 DR GPIO4 15 16 15 16 VCOM A7 INT SCL 17 18 17 18 AGND REF- TOUT DGND J13A (TOP) = SAM_TSM-105-01-L-DV-P 19 20 +5VA 19 20 AGND REF+ GPIO5 SDA J13B (BOTTOM) = SAM_SSW-105-22-F-D-VS-K DAUGHTER-SERIAL DAUGHTER-ANALOG J13
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EVALUATION BOARD/KIT IMPORTANT NOTICE Texas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end-product fit for general consumer use. Persons handling the product(s) must have electronics training and observe good engineering practice standards. As such, the goods being provided are not intended to be
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IMPORTANT NOTICE Texas 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 orders and should verify that such information is current and complete. All products are sold subject to TI’s terms and conditions of sale supplied at the t
