TTP252 datasheet(2/40 Pages) TONTEK

2 / 40 page

Preliminary

TTP252

TonTouch

12’/08/21

Page 2 of 40

Ver: 3.0

10. One 8-bit auto-reload timer/counter & one 8-bit timer/PWM & one time

base

counter

4 timer clock sources(internal & external) selected by software

Timer provides the PFD feature for Buzzer output driver

Time base offers 2 various period interrupt request

11. MCU system protection and power saving controlled mode:

Built-in watch dog timer (WDT) circuit

ROM code error detection

Out of user program’s range detection

Providing high/low system operating speed、sleep、stop mode

for power saving control

Built-in low voltage reset (LVR) function

12. 8 pins with touch pad detection

13. LDO voltage can select 2.7V or 4.2V output by option.

14. LVR voltage can select 2.2V or 3.0V by option.

15. Provides 8 interrupt sources

External: INT0 , INT1 shared with IO pad

Internal: Timer/counter, Timer/PWM, two Time base timer

Two touchpad’s interrupt

16. Provide package types

DIP/SOP 8 pins, DIP/SOP/SSOP/QFN 16/20/24 pins, TSSOP

20pins

Dice available

Applications:

1. Household electric appliances

2. Consumer products

3. Measurement controller

TTP252 Datasheet(PDF) 2 Page - Tontek Design Technology