Target Spec TonTouchTM MCU IGBT IC TTP252 Electronic Component

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         
                           
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)
advance CMOS process
Working memory with 1984*16 program ROM and 96*4 SRAM
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
O 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)
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 timer (WDT) circuit
ROM code error detection
Out of user program's range detection
Providing high/low system operating speed,sleep,stop mode
for power saving control
Built-in low voltage reset (LVR) function
8 pins with touch pad detection
LDO voltage can select 2.7V or 4.2V output by option.
LVR voltage can select 2.2V or 3.0V by option.
Provides 8 interrupt sources
External: INT0 , INT1 shared with IO pad
Internal: Timer/counter, Timer/PWM, two Time base timer
Two touchpad's interrupt
Provide package types
DIP/SOP 8 pins, DIP/SOP/SSOP/QFN 16/20/24 pins, TSSOP
20pins
Dice available



Applications

Household electric appliances
Consumer products
Measurement controller


Pin Description