Texas Instruments TSC4270, Руководство пользователя

Страница: 4 / 42

Hardware Overview
www.ti.com
2 Hardware Overview
2.1 Analog Interface
The TSC4270 supports a 33-wire capacitive touch screen. A 36-pin FPC/FFC connector J1 (part number
FH12-36S-0.5SH) is installed on the TSC4270EVM daughterboard, and provides a direct connection to a
corresponding 36-pin flat cable from the capacitive touch screen.
Table 2 details the pinout of 36-pin connector J1 on a TSC4270EVM daughterboard and also shows the
suggested connection to the provided 20-row by 12-column capacitive touch screen panel.
Table 2. Analog Connection Through 36-Pin Connector J1
Pin Number TSC4270 20 × 12 Screen
J1.1 GND GND
J1.2 Pin 2 R8 Panel row 19
J1.3 Pin 2 R7 Panel row 18
J1.4 Pin 2 R6 Panel row 17
J1.5 Pin 2 R5 Panel row 16
J1.6 Pin 2 R4 Panel row 15
J1.7 Pin 30 R3 Panel row 14
J1.8 Pin 31 R2 Panel row 13
J1.9 Pin 32 R1 Panel row 12
J1.10 Pin 33 R0 Panel row 11
J1.11 GND GND
J1.12 Pin 37 C13 / R2 Panel column 11
J1.13 Pin 38 C12 Panel column 10
J1.14 Pin 39 C11 Panel column 9
J1.15 Pin 40 C10 Panel column 8
J1.16 Pin 41 C9 Panel column 7
J1.17 Pin 42 C8 Panel column 6
J1.18 Pin 43 C7 Panel column 5
J1.19 Pin 44 C6 Panel column 4
J1.20 Pin 45 C5 Panel column 3
J1.21 Pin 46 C4 Panel column 2
J1.22 Pin 47 C3 Panel column 1
J1.23 Pin 48 C2 Panel column 0
J1.24 GND
J1.25 Pin 1 R19 / C1 Panel row 10
J1.26 Pin 2 R18 / C0 Panel row 9
J1.27 Pin 3 R9 Panel row 8
J1.28 Pin 4 R10 Panel row 7
J1.29 Pin 5 R11 Panel row 6
J1.30 Pin 6 R12 Panel row 5
J1.31 Pin 7 R13 Panel row 4
J1.32 Pin 8 R14 Panel row 3
J1.33 Pin 9 R15 Panel row 2
J1.34 Pin 10 R16 Panel row 1
J1.35 Pin 11 R17 Panel row 0
J1.36 GND GND
4 TSC4270 Evaluation Module SBAU208 – April 2013
Submit Documentation Feedback
Copyright © 2013, Texas Instruments Incorporated