TTP258 - TONTEK

TTP258 4-bit CPU base microcontroller

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. Tota.

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’/0.