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TTP239 Datasheet(PDF) 2 Page - Tontek Design Technology

Part # TTP239
Description  8 keys Touch Pad Detector IC
PDF  16 Pages
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Manufacturer  TONTEK [Tontek Design Technology]
Direct Link  http://www.tontek.com.tw
Logo TONTEK - Tontek Design Technology

TTP239 Datasheet(HTML) 2 Page - Tontek Design Technology

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TTP239
2016/3/7
Page 2 of 16
Version：1.1
Block diagram
TEST
SLSERT
MOT1
MOT0
LVREN
SM
SAHL
REGEN
LPM
A0
Register
Counter &
Sensor & REF
Control Circuit
TP7
TP6
TP5
TP4
TP3
TP2
TP1
TP0
Control
Detecting Circuit
System
Oscillator Circuit
Timing Counter
and
and
Key Scanning
Circuit
Function Control
TPQ7
TPQ6
TPQ5
TPQ4
TPQ3
TPQ2
TPQ1
TPQ0
Register and
Output Buffer
Output data
Control Circuit
I2C-bus interface
SDA
SDO
SCL
Control Circuit
Serial Output
Buffer and
System
Power On Circuit
Circuit
Regulator
VREG
Control Circuit
Function Option
Circuit
and
Sense Port
Pin Description
Pad NO
Pad Name
Type
Pad Description
1
TP7
I/O
Touch pad input pin
2
TP6
I/O
Touch pad input pin
3
TP5
I/O
Touch pad input pin
4
TP4
I/O
Touch pad input pin
5
TP3
I/O
Touch pad input pin
6
TP2
I/O
Touch pad input pin
7
TP1
I/O
Touch pad input pin
8
TP0
I/O
Touch pad input pin
9
LPM
I-PH
Low power/fast mode option
1(Default)=>Low power mode; 0=>Fast mode
10
REGEN
I-PH
Internal regulator enable/disable function option
1(Default)=>enable; 0=>disable
11
TEST
I-PL
Only for test
12
TPQ0
O
Direct output for TP0 touch input pin
13
TPQ1
O
Direct output for TP1 touch input pin
14
VDD
P
Positive power supply



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