TTP252

Preliminary TTP252 TonTouchTM TTP252 Target Spec. § PATENTED 1. PATENT :『』 PAT NO. I339356 (Taiwan) PAT NO. ZL 2007 1 0202087. 0 (CHINA) 2. PATENT :『』 PAT NO. M383780 (Taiwan) PAT NO. ZL 2010 2 0141537. 7 (CHINA) 3. PATENT :『』 PAT NO. M375250 (Taiwan) PAT NO. ZL 2010 2 0302392. 4 (CHINA) § General Description: 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. The device is also suitable for diverse simple applications in control appliance and consumer product. § Features: 1. Tontek RISC 4-bit CPU core 2. Total 26 crucial instructions and two addressing mode 3. Most instructions need 1 word and 1 machine cycle(2 system clocks) except read table instruction(RTB) 4. advance CMOS process 5. Working memory with 1984*16 program ROM and 96*4 SRAM 6. 2-level stacks 7. Operating voltage: 2.0V~5.5V 8. 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) 9. 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 10. One 8-bit auto-re...