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TTP255 Datasheet(PDF) 1 Page - Tontek Design Technology |
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TTP255 Datasheet(HTML) 1 Page - Tontek Design Technology |
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1 / 49 page  Preliminary TTP255 TonTouch TM 12’/08/21 Page 1 of 49 Ver3.0 TTP255 Target Spec. § General Description: TTP255 MCU is an easy-used 4-bit CPU base microcontroller. It contains 4K-word ROM 、 384-nibble RAM 、 timer/Counter 、 interrupt service 、IO control hardware、touch pad feature、LDO and TT-BUS for specified applications. The device is also suitable for diverse applications in control appliance and consumer product. § Features: 1. Tontek Dual RISC 4-bit CPU cores 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 4K*16 program ROM and 256*4 SRAM 6. 4-level stacks for CPUA (+4 stacks for CPUB) 7. Operating voltage: 2.0V~5.5V 8. System operating frequency: (at VDD=5V ) . High speed system oscillator (OSCH): Resonator mode: 400KHz~8MHz RC mode: 150KHz~4MHz Built-in RC oscillator: 4MHz(typical at 5V) External clock mode: DC~8MHz .Low speed peripheral oscillator (OSCL): Built-in RC oscillator: 16KHz(typical) 9. Offer 8~20 general programmable I/O or input pins 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) 10. Two 8-bit auto-reload timer/counter & 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 11. MCU system protection and power saving controlled mode: |
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