具有增强RC振荡器和可编程增益放大器的28管脚8位微控制器 NXP 80C51-based microcontrollers LPC9321/LPC9351 8-bit MCUs in 28-pin packages with enhanced Headline RC-oscillator and programmable gain amplifier Designed for highly integrated, low-cost applications requiring advanced peripherals in 28-pin packages, these accelerated microcontrollers deliver performance six times that of standard 80C51-based MCUs while providing new and improved features to the LPC900 family. Key features 4Small, 28-pin packages: TSSOP28, very wide range of applications, from 4 Accelerated 80C51 CPU PLCC28 ……