IS89C52是ISSI系列51单片机的典型型号，针对51系列所有单片机，芯谷芯片解密研究所的解密技术手法已经相当成熟，目前为止我们提供的51单片机解密服务解密成功率可保证99.9%以上，解密周期短、价格低，已经为众多电子企业及电子工程师的学习研究与参考设计提供了完善技术支持.
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关于IS89C52单片机：
The ISSI IS89C52 is a high-performance microcontroller fabricated using high-density CMOS technology. The CMOS IS89C52 is functionally compatible with the industry standard 80C51 microcontrollers.
The IS89C52 is designed with 8-Kbytes of Flash memory, 258 x 8 RAM; 32 programmable I/O lines; a serial I/O port for either multiprocessor communications, I/O expansion or full duplex UART; three 16-bit timer/counters; an eight-source, two-priority-level, nested interrupt structure; and an on-chip oscillator and clock circuit. The IS89C52 can be expanded using standard TTL compatible memory.
IS89C52 FEATURES
80C51 based architecture
8-Kbytes of on-chip Reprogrammable Flash Memory
256 x 8 RAM
Three 16-bit Timer/Counters
Full duplex serial channel
Boolean processor
Four 8-bit I/O ports, 32 I/O lines
Memory addressing capability
64K ROM and 64K RAM
Program memory lock
Lock bits (3)
Power save modes:
Idle and power-down
Eight interrupt sources
Most instructions execute in 0.3 ms
CMOS and TTL compatible
Maximum speed: 40 MHz @ Vcc = 5V
Industrial temperature available
Packages available:
40-pin DIP
44-pin PLCC
44-pin PQFP
