PATENTEN

1. PATENT :『電流源控制及補償觸控電容感測方法及其裝置』
   PAT NO. I339356 (Taiwan)
   PAT NO. ZL 2007 1 0202087. 0 (CHINA)
2. PATENT :『具環境變化校正的電容式觸控感測裝置』
   PAT NO. M383780 (Taiwan)
   PAT NO. ZL 2010 2 0141537. 7 (CHINA)
3. PATENT :『省電型多鍵觸摸開關感測裝置』
   PAT NO. M375250 (Taiwan)
   PAT NO. ZL 2010 2 0302392. 4 (CHINA)

General Description:

      KXD958 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:2.4V~5.5V(LVR=2.2V); 2.2V~5.5V (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)
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-bit TCP1 auto-reload timer/counter & one time base counter
􀂗    ◇4 timer clock sources selected by software
􀂗    ◇Time base offers 2 various period interrupt request
11. One 8-bit TCP2 auto-reload timer/counter, can improve PWM function
􀂗    ◇4 timer clock sources selected by software
12. Built-in 3 set 8-bit PWM output
13. 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 mode for
        power saving control
􀂗    ◇Built-in low voltage reset (LVR) function
14. 10 pins with touch pad detection
15. Built-in LDO voltage 2.7V.
16. Provides 8 interrupt sources
􀂗    ◇External: INT0, INT1 shared with IO pad
􀂗    ◇Internal: two Timer/counter, two Time base timer
􀂗    ◇Two touchpad’s interrupt
17. Provide package types
􀂗    ◇SOP 16

Applications:

1. Household electric appliances
2. Consumer products
3. Measurement controller

Package Description: