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:

      KXD959 MCU is an easy-used 4-bit CPU base microcontroller. It
contains 4032-word ROM、384-nibble RAM、time base、timer/counter、
interrupt service、IO control hardware、PWM output、IIC function、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 CPU clocks) except
   read table instruction(RTB)
4. Advance CMOS process
5. Working memory with 4032*16 program ROM and 384*4 SRAM
6. 4-level stacks
7. Operating voltage: 2.4V~5.5V(LVR=2.2V); 3.3V~5.5V(LVR=3.0V);
   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. Provide 7 IO+16 touch pad or 23 general programmable IO
􀂗    ◇IO port built-in key wake-up feature enable by software setting
􀂗    ◇Provide external interrupt inputs
􀂗    ◇Provide internal signal outputs, like PWM

10. TWO time base
􀂗    ◇Time base offers 2 various period interrupt request
11. One 8-bit TCP1 auto-reload timer/counter
􀂗    ◇4 timer clock sources selected by software
12. One 12-bit TCP2 auto-reload timer/counter, can improve PWM function
􀂗    ◇4 timer clock sources selected by software
13. Built-in 3 set 12-bit PWM output
14. MCU system protection and power saving controlled mode
􀂗    ◇Built-in watch dog timer (WDT) circuit
􀂗    ◇Built-in low voltage reset (LVR) function
􀂗    ◇Out of user program’s range detection
􀂗    ◇ROM code error detection
􀂗    ◇Provide high/low system operating speed, sleep and stop
        mode for power saving control
15. Provide 16 pins with touch pad detection
16. LDO voltage can select 2.7V or 4.2V output by mask option
17. LVR voltage can select 2.2V or 3.0V by mask option
18. Provide two wire serial interface (IIC-BUS)
19. Provide 10 interrupt sources
􀂗    ◇External: INT0, INT1 shared with IO pad
􀂗    ◇Internal: two time base, two timer/counter
􀂗    ◇Two touch pad’s interrupt
􀂗    ◇Two IIC interrupt
20. Provide package types
􀂗    ◇28SSOP/20TSSOP/16SOP

Applications:

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

Package Description: