P89C51RD2F FEATURES芯片解密

　　芯谷科技在单片机解密、IC解密过程中运用不同的技术手法，而解密手法的选择除了考虑解密者本身的技术经验外，还应该对需解密的单片机有一定的了解。
　　P89C51RD2F FEATURES：
　　. 80C51 Central Processing Unit
　　. On-chip Flash Program Memory with In-System Programming
　　(ISP) and In-Application Programming (IAP) capability
　　. Boot ROM contains low level Flash programming routines for
　　downloading via the UART
　　. Can be programmed by the end-user application (IAP)
　　. 6 clocks per machine cycle operation (standard)
　　. 12 clocks per machine cycle operation (optional)
　　. Speed up to 20 MHz with 6 clock cycles per machine cycle
　　(40 MHz equivalent performance); up to 33 MHz with 12 clocks
　　per machine cycle
　　. Fully static operation
　　. RAM expandable externally to 64 kB
　　. 4 level priority interrupt
　　. 8 interrupt sources
　　. Four 8-bit I/O ports
　　. Full-duplex enhanced UART
　　– Framing error detection
　　– Automatic address recognition
　　. Power control modes
　　– Clock can be stopped and resumed
　　– Idle mode
　　– Power down mode
　　. Programmable clock out
　　. Second DPTR register
　　. Asynchronous port reset
　　. Low EMI (inhibit ALE)
　　. Programmable Counter Array (PCA)
　　– PWM
　　– Capture/compare
　　tags;P89C51RD2F单片机解密 芯片解密