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世纪芯科技联系咨询更多解密详情。
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)
