这里我们提供对GMS77C1001单片机的基本性能特征介绍，因为在GMS77C1001解密等IC解密、单片机解密过程中，对单片机本身内部结构特征及加密性能有一定的了解，能够帮助客户更好的理解单片机解密技术，帮助解密工程师进行加解密特性分析以选择最合理的解密方案。
有GMS77C1001解密等单片机解密需求者请与芯谷芯片解密研究所联系咨询更多解密详情
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GMS77C1001 Features
High-Performance RISC CPU:
- 12-bit wide instructions and 8-bit wide data path
- 33 single word instructions
- 0.5K/1K words on-chip program memory
- 25 bytes on-chip data memory
- Minimum instruction execution time 200ns @20MHz
- Operating speed: DC - 20 MHz clock input
- Seven special function hardware registers
- Two-level hardware stack
Peripheral Features:
- Twelve programmable I/O lines
- One 8-bit timer/counter with 8-bit programmable prescaler
- Power-On Reset (POR)
- Power Fail Detector : noise immunity circuit
2 level detect ( 3V, 2.5V )
- Internal Reset Timer (IRT)
- Watchdog Timer (WDT) with on-chip RC oscillator
- Programmable code-protection
- Power saving SLEEP mode
- Selectable oscillator options: Configuration word
RC: Low-cost RC oscillator (200KHz~4MHz)
XT: Standard crystal/resonator (455KHz~4MHz)
HF: High-speed crystal/resonator (4~20MHz)
LF: Power saving, low-frequency crystal/resonator
(32~200KHz)
