GMS81C2020單片機解密

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GMS81C2020單片機解密/芯片解密以及其他眾多LG(HYUNDAI)系列芯片解密是芯谷芯片解密事業部近期以來取得重大技術進展的典型優勢解密項目之一，目前，針對LG(HYUNDAI)系列GMS單片機及HMS芯片，我們均已經擁有較為成熟可靠的優質解密方案。
欲了解更多GMS81C2020單片機解密/芯片解密詳情，請與芯谷芯片解密事業部聯系


以下是我們僅針對GMS81C2020單片機的主要性能特征進行分析介紹，供廣大客戶參考借鑒。
　The GMS81C2020 and GMS81C2120 are an advanced CMOS 8-bit microcontroller with 20K/12K bytes of ROM. These are a powerful microcontroller which provides a highly flexible and cost effective solution to many VFD applications. These provide the following standard features: 20K/12K bytes of ROM, 448 bytes of RAM, 8-bit timer/counter, 8-bit A/D converter, 10-bit High Speed PWM Output, Programmable Buzzer Driving Port, 8-bit Basic Interval Timer, 7-bit Watch dog Timer,8-bit, Serial Peripheral Interface, on-chip oscillator and clock circuitry. They also come with high voltage I/O pins that can directly drive a VFD(Vacuum Fluorescent Display). In addition, the GMS81C2020 and GMS81C2120 support power saving modes to reduce power consumption.
　　Features
　　20K/12K bytes ROM(EPROM)
　　448 Bytes of On-Chip Data RAM
　　(Including STACK Area)
　　Minimum Instruction Execution time :
　　- 1uS at 4MHz ( 2cycle NOP Instruction )
　　One 8-Bit Basic Interval Timer
　　One 7-Bit Watch Dog Timer
　　Two 8-Bit Timer/Counters
　　10-Bit High Speed PWM Output
　　One 8-bit Serial Peripheral Interface
　　Two external interrupt ports
　　One Programmable 6-Bit Buzzer Driving port
　　60 I/O Lines
　　- 56 Programmable I/O pins :
　　30 high-voltage pins (40V,max)
　　- 3 Input Only pins : 1 high-voltage pin
　　- 1 Output Only pin
　　Eight Interrupt Sources
　　- 2 By External Sources (INT0, INT1)
　　- 2 By Timer/Counter Sources (Timer0, Timer1)
　　- 4 By Functional Sources (SPI,ADC,WDT,BIT)
　　12-Channel 8-Bit On-Chip Analog to Digital Converter
　　Oscillatior :
　　- Crystal
　　- Ceramic Resonator
　　- External RC Oscillator
　　- Internal RCWDT Oscillatior
　　Low Power Dissipation Modes
　　- STOP mode
　　- Wake-up Timer Mode
　　- Standby Mode
　　- Watch Mode
　　- Subactive Mode
　　Operating Voltage : 4.0V ~ 5.5V (at 4.5MHz)
　　Operating Frequency : 0.4MHz ~ 4.5MHz
　　Subclock : 32.768KHz Crystal Oscillator
　　Enhanced EMS Improvement
　　Power Fail Processor
　　( Noise Immunity Circuit )

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