µPSD3251Standard 8032 core-3 16-bit timers/counters-2 external interruptsDual FLASH structure-64K bytes MainFLASH-16K bytes SecondFLASH-2K bytes SRAM-Programmable logic-DPLD, CPLD-Provide I2C, UART interface, PWM, ADC-Provide more I/O ports-Up to 50 I/O linesBuilt-in WDTIn-system programming (ISP)In-application reprogramming (IAP)·PSD structure improves the performance of 8051·-Programmable system peripheral chip·-Dual FLASH to achieve in-application reprogramming (IAP)·-Allow 8051 Program code and data switch between memories to meet user needs. - JTAG programming is particularly suitable for experimental development and production needs. Up to 288K bytes of storage units, why such a large storage unit? - Using C language programming requires a large storage space. - Menus, graphics, display user interfaces require a large amount of storage space. - Multiple languages, fonts, and data tables require a large space memory. - If you want to convert data quickly, you also need a large number of storage units. - Data recording. - Low cost. - Compared with other devices with 8051 or some 8-bit MCU as the core and large-capacity SRAM and Flash, uPSD saves costs.
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