1 evm overview, 1 features, 2 introduction – Texas Instruments TSC2007EVM User Manual
Page 2: 2 analog interface, Interface, Pinout
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1
EVM Overview
1.1
Features
1.2
Introduction
2
Analog Interface
EVM Overview
•
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.
The TSC2007EVM is in the Texas Instruments modular EVM form factor, which allows direct evaluation of
the performance and operating characteristics of the TSC2007, and eases software development and
system prototyping. This EVM is compatible with the 5-6K Interface Evaluation Module (
) from
Texas Instruments and additional third-party boards such as the NI Speedy-33™ from National
Instruments Corporation. (
The TSC2007EVM-PDK is a complete evaluation/demonstration kit, which includes a USB-based
motherboard called the USB-MODEVM interface board and evaluation software for use with a personal
computer running Microsoft Windows operating systems.
For maximum flexibility, the TSC2007EVM is designed for easy interfacing to multiple analog sources.
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 J1. This header/socket provides access to the analog input pins of
the TSC. Consult Samtec at
, or call 1-800-SAMTEC-9 for a variety of mating connector
options.
Table 2. Analog Interface Pinout
PIN NUMBER
SIGNAL
DESCRIPTION
J1.2
X+
Touch screen X+ electrode
J1.4
X-
Touch screen X- electrode
J1.6
Y+
Touch screen Y+ electrode
J1.8
Y-
Touch screen Y- electrode
J1.10
Unused
J1.12
AUX
Auxiliary input, 0 V to VREF
J1.14
Unused
J1.16
Unused
J1.18
Unused
J1.20
Unused
J1.15
Unused
J1.1-J1.19 (odd)
AGND
Analog ground connections (except J1.15)
NI Speedy-33 is a trademark of Hyperception, Inc.
I
2
C is a trademark of Koninklijke Philips Electronics N.V., The Netherlands.
Windows is a trademark of Microsoft Corporation.
SPI is a trademark of Motorola, Inc.
2
TSC2007EVM and TSC2007EVM-PDK User's Guide
SLAU199 – March 2007