TTP229 datasheet(3/19 Pages) TONTEK

3 / 19 page

Preliminary

TTP229

TonTouchTM

09’/12/22

Page 3 of 19

Ver : 1.1

PAD DESCRIPTION

Pad No. Pad Name Share Pin I/O Type

Pad Description

TP15

TPQ7

I/O/OD Touch pad input pin(KEY-15)

8-keys direct output pin(TPQ7)

TP14

TPQ6

I/O/OD Touch pad input pin(KEY-14)

8-keys direct output pin(TPQ6)

SENADJ3

I/O

Touch pad TP12~15 sensitivity adjust common pin

TP13

TPQ5

I/O/OD Touch pad input pin(KEY-13)

8-keys direct output pin(TPQ5)

TP12

TPQ4

I/O/OD Touch pad input pin(KEY-12)

8-keys direct output pin(TPQ4)

SDA

I/OD

Data pin for the I2C-bus serial data interface

SDO

Data pin for the 2-wires serial output, option active

Low/High by TP1

SCL

Serial clock input pin for serial type

At 2-wires serial type can be set active Low/High by TP1

SLPSENB

I/O

Sleep mode sensitivity adjustment pin for

group-B(TP8~15)

TP11

TPQ3

I/O/OD Touch pad input pin(KEY-11)

8-keys direct output pin(TPQ3)

TP10

TPQ2

I/O/OD Touch pad input pin(KEY-10)

8-keys direct output pin(TPQ2)

SENADJ2

I/O

Touch pad TP8~11 sensitivity adjust common pin

TP9

TPQ1

I/O/OD Touch pad input pin(KEY-9)

8-keys direct output pin(TPQ1)

TP8

TPQ0

I/O/OD Touch pad input pin(KEY-8)

8-keys direct output pin(TPQ0)

TEST

I-PL

Only for test

I-PH

A2~0 are input pins for the I2C-bus device address

selection

I-PH

A2~0 are input pins for the I2C-bus device address

selection

I-PH

A2~0 are input pins for the I2C-bus device address

selection

SLSERT

I-PH

The option pin for serial output type selection

Default is 2-wires serial type

TP7

SKSRT

I/O

Touch pad input pin(KEY-7)

Maximum key-on time function option(Infinite/80sec)

Default is infinite

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