TTP258
Overview
TTP258 MCU is an easy-used 4-bit CPU base microcontroller. It contains 1984-word ROM 144-nibble RAM timer/Counter interrupt service IO control hardware LVR and touch pad feature for specified applications.
- Tontek RISC 4-bit CPU core
- Total 26 crucial instructions and two addressing mode
- Most instructions need 1 word and 1 machine cycle(2 system clocks) except read table instruction(RTB) 4. advance CMOS process
- Working memory with 1984*16 program ROM and 144*4 SRAM 6. 2-level stacks
- Operating voltage:
- 5V~3.1V (LDO ON) 5.5V~2.5V (LDO OFF LVR ON) 5.5V~2.2V (LDO OFF LVR OFF)
- System operating frequency: (at VDD=5V ) . High-speed system oscillator (OSCH): Built-in RC oscillator: 4MHz(typical) .Low speed peripheral oscillator (OSCL): Built-in RC oscillator: 16KHz(typical) 16’/04/06 Page 1 of 44 Ver.: 1.2 Preliminary TTP258 TonTouchTM
- 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)
- 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
- One 8-bit TCP2 auto-reload timer/counter, can improve PWM function 4 timer clock sources selected by software
