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TSC2046EVM 产品设计参考手册 - TI（德州仪器）
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TSC2046EVM数据手册
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Analog Interface
Additionally, 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, described in Table 1. This header/socket provides
access to the analog input pins of the TSC. Consult Samtec at www.samtec.com or call 1-800-SAMTEC-9
for a variety of mating connector options.
Table 1. J1: Analog Interface Connector Pinout
Pin Number Signal Description
J1.1 AUX IN Auxiliary input, ranging from 0V to VDD
Negative electrode of the third column from
J1.3 Y-3 or YD3
touch screen
Positive electrode of the third column from
J1.5 Y+3 or YU3
touch screen
Positive electrode of the second column
J1.7 Y+2 or YU2
from touch screen
Positive electrode of the first row from touch
J1.9 X+1 or XR1
screen
Positive electrode of the second row from
J1.11 X+2 or XR2
touch screen
Positive electrode of the third row from
J1.13 X+3 or XR3
touch screen
Positive electrode of the 4th row from touch
J1.15 X+4 or XR4
screen
Positive electrode of the 5th row from touch
J1.17 X+5 or XR5
screen
J1.19 AGND Analog ground
J1.2 Unused —
Negative electrode of the second column
J1.4 Y-2 or YD2
from touch screen
Negative electrode of the first column from
J1.6 Y-1 or YD1
touch screen
Positive electrode of the first column from
J1.8 Y+1 or YU1
touch screen
Negative electrode of the first row from
J1.10 X-1 or XL1
touch screen
Negative electrode of the second row from
J1.12 X-2 or XL2
touch screen
Negative electrode of the third row from
J1.14 X-3 or XL3
touch screen
Negative electrode of the fourth row from
J1.16 X-4 or XL4
touch screen
Negative electrode of the fifth row from
J1.18 X-5 or XL5
touch screen
J1.20 AGND Analog ground
5
SBAU164A–February 2010–Revised February 2011 TSC2020EVM and TSC2020EVM-PDK
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