NXP Semiconductors 89C669
The P89C669 represents the first Flash microcontroller based on Philips Semiconductors’ new 51MX core. The P89C669 features 96 kbytes of Flash program memory and 2 kbytes of data SRAM.FEATURES
9397 750 12299 Product data 2.1 Key features s Extended features of the 51MX Core: x 23-bit program memory space and 23-bit data memory space x Linear program and data address range expanded to support up to 8 Mbytes each x Program counter expanded to 23 bits x Stack pointer extended to 16 bits enabling stack space beyond the 80C51 limitation x New 23-bit extended data pointer and two 24-bit universal pointers greatly improve C compiler code efficiency in using pointers to access variables in different spaces s 100% binary compatibility with the classic 80C51 so that existing code is completely reusable s Up to 24 MHz CPU clock with 6 clock cycles per machine cycle s 96 kbytes of on-chip program Flash s 2 kbytes of on-chip data RAM s Programmable Counter Array (PCA) s Two full-duplex enhanced UARTs s Byte based Fast I2C serial interface (400 kbits/s) 2.2 Key benefits s Increases program/data address range to 8 Mbytes each s Enhances performance and efficiency for C programs s Ful...