TTP252
Overview
TTP252 MCU is an easy-used 4-bit CPU base microcontroller. It contains 1984-word ROM、96-nibble RAM、timer/Counter、timer/PWM、 interrupt service 、IO control hardware、LVR、touch pad and LDO 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 96*4 SRAM 6. 2-level stacks
- Operating voltage: 2.0V~5.5V
- 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)
- Offer 8 IO+8 touch pad or 16 general programmable I/O IO port built-in key wake-up feature enable by software setting Providing external interrupt inputs and Timer clock inputs Offering internal signal outputs, like buzzer(PFD) 12’/08/21 Page 1 of 40 Ver: 3.0 Preliminary TTP252 TonTouchTM
- 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
- MCU system protection and power saving controlled mode: Built-in watch dog ti
