TTP258
TonTouchTM
Preliminary
9. Offer 3 IO+10 touch pad or 13 general programmable I/O
IO port built-in key wake-up feature enable by software setting
Providing external interrupt inputs
Offering internal signal outputs, like buzzer(PWM)
10. One 8-bit TCP1 auto-reload timer/counter & onetime base counter
4 timer clock sources selected by software
Time base offers 2 various period interrupt request
11. One 8-bit TCP2 auto-reload timer/counter, can improve PWM function
4 timer clock sources selected by software
12. Built-in 3 set 8-bit PWM output
13. 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 mode for
power saving control
Built-in low voltage reset (LVR) function
14. 10 pins with touch pad detection
15. Built-in LDO voltage 2.7V
16. Provides 8 interrupt sources
External: INT0, INT1 shared with IO pad
Internal: two Timer/counter, two Time base timer
Two touchpad’s interrupt
17. Provide package types
SOP 16
16’/04/06
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Ver.: 1.2
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