MDT1020解密等MDT系列IC解密/单片机解密是芯谷科技目前可专业提供高效可靠解密方案的典型IC系列。我们专业的解密工程师多年来始终专注于各类IC解密、芯片解密、单片机解密等技术研究领域，成功为国内外一系列电子企业及工程师提供了可靠的技术支持与服务。
这里我们提供对MDT1020单片机的基本介绍，供客户及解密工程师在解密项目开发与合作中进行参考借鉴，有MDT1020解密及其他各个系列MDT单片机解密需求者请与芯谷科技联系咨询更多详情
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关于MDT1020
This ROM-Based 8-bit micro-controller uses a fully static CMOS design technology combines higher speed and smaller size with the low power and high noise immunity of CMOS.On chip memory system includes 2.0 K bytes of ROM, and 80 bytes of static RAM.
MDT1020 Features
Fully CMOS static design
8-bit data bus
On chip ROM size : 2 K words
Internal RAM size : 80 bytes
(72 general purpose, 8 special registers)
36 single word instructions
14-bit instructions
2-level stacks
Operating voltage : 2.3 V ~ 6.3 V
Operating frequency : 0 ~ 20 MHz
The fastest execution time is 200 ns under 20 MHz in all single cycle instructions except the branch instruction.
Addressing modes include direct,indirect and relative addressing modes
Power-on Reset
Power Edge-detector Reset
Sleep mode for power saving
4 oscillator start-up time :150 ms, 20 ms, 40 ms, 80 ms
8-bit real time clock/counter(RTCC)with 8-bit programmable prescaler
4 types of oscillator can be selected by code options :
RC－Low cost RC oscillator
LFXT－Low frequency crystal oscillator
XTAL－Standard crystal oscillator
HFXT－High frequency crystal oscillator
On-chip RC oscillator based Watchdog Timer(WDT) can be operated freely
Pull up resistors for the following pins :
PA0~PA3, PB0~PB7,PC0~PC7,/MCLR, RTCC
Pull down resistors for the following pins :
PA0~PA3, PB0~PB7, PC0~PC7,RTCC
20 I/O pins with their own independent direction control
