TTP258

Preliminary § PATENTEN 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) TTP258 TonTouchTM § General Description: 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. 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 144*4 SRAM 6. 2-level stacks 7. Operating voltage: 5.5V~3.1V (LDO ON) 5.5V~2.5V (LDO OFF LVR ON) 5.5V~2.2V (LDO OFF LVR OFF) 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) 16’/04/06 Page 1 of 44 Ver.: 1.2 Preliminary TTP258 TonTouchTM 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-...