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NT084D 데이터시트 PDF




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NT084D 데이터시트, 핀배열, 회로
NT084D
Touch Key Series
Nuvoton Touch Key Series
NT084D
Datasheet
The information described in this document is the exclusive intellectual property of
Nuvoton Technology Corporation and shall not be reproduced without permission from Nuvoton.
Nuvoton is providing this document only for reference purposes of NuMicro microcontroller based
system design. Nuvoton assumes no responsibility for errors or omissions.
All data and specifications are subject to change without notice.
For additional information or questions, please contact: Nuvoton Technology Corporation.
www.nuvoton.com
Nov 10, 2016
Page 1 of 26
Rev 1.00




NT084D pdf, 반도체, 판매, 대치품
NT084D
1 GENERAL DESCRIPTION
The Nuvoton touch key series, NT084D, provides easy-to-implement capacitive touch key user
interface solutions. It supports configurable 8 touch key interfaces, and four 7-segment LED output
for easy debugging development environment and provides more display elements. The NT084D
supports many functions, such as speed key response, multi-key response and configuration, key
lock function and other modes which can achieve the shortest development cycle of capacitive
touch key applications. Meanwhile, an external host MCU can control the NT084D through the I²C
bus easily.
The use of the NT084D evaluation board does not require additional design from beginning to end.
The NT084D has excellent anti-impulse noise and anti-electromagnetic noise ability, as well as
excellent resistance to electromagnetic interference, electromagnetic waves of mobile phones and
walky-talky electromagnetic immunity. It also features water repellent or water-droplet operation
without error, automatic key lock function, and corresponding to the environmental surfaces
moisture. The NT084D has a comprehensive response to a variety of applications.
The NT084D is suitable for a wide range of applications such as audio panel, telephone keyboard
control, instrument control panel, washing machine control panel, intelligent access control panel
system, various small appliances (cooker, disinfection cabinet, microwave oven, etc.), household
appliances, handheld devices, industrial control, automotive electronics, and any others related to
the control panel button applications.
Nov 10, 2016
Page 4 of 26
Rev 1.00

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NT084D 전자부품, 판매, 대치품
NT084D
3 PIN DIAGRAM
SEG1/OUT1
SEG2/OUT2
SEG8/OUT8
-ACT
GRID4
nRST
VSS
CP1
NC
GRID3
SDA
SCL
SEG3/OUT3
SEG4/OUT4
1 28
2 27
3 26
4 25
5 24
6 23
7 22
NT084D
8 21
9 20
10 19
11 18
12 17
13 16
14 15
OUT7/SEG7
SEN1
SEN2
SEN3
SEN4
SEN5
SEN6
VDD
SEN7
SEN8
GRID1
GRID2
OUT6/SEG6
OUT5/SEG5
Figure 31 TSSOP28 Pin Diagram
No. Pin Name
Description
1 SEG1/OUT1 7-segment LED display (a segment) / touch key-1 output pin
2 SEG2/OUT2 7-segment LED display (b segment) / touch key-2 output pin
3 SEG8/OUT8 7-segment LED display (dp segment) / touch key-8 output pin
4 -ACT
Touch key operation instruction
5 GRID4
7-segment LED display common 4
6 nRST
IC reset pin
7 VSS
Ground pin
8 CP1
Touch key driving signal
9 NC
Unused
10 GRID3
7-segment LED display common 3
11 SDA
I²C data pin
12 SCL
I²C clock pin
Nov 10, 2016
Page 7 of 26
Rev 1.00

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NT084D

Touch the keypad

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