STC51 and STM32 downloader
STC51 and STM32 downloaders, this time reduce the size and add a small-volume polymer lithium battery, and add a hardware manual cold-start download switch, hoping to download all the STC microcontroller programs, and integrate the STM32 microcontroller TTL one-key automatic download circuit.
Several toggle switches have been added to the downloader. SW1 is the upgrade switch of the STC51 offline downloader.
SW2 is the switch between automatic download and manual download of STC51 downloader for external MCU.
SW3 is the trigger switch for offline download.
SW4 is used to select whether to supply 5V or 3V power supply to the external STC51 microcontroller.
SW5 is a manual cold start download switch for STC51 microcontroller.
STC51 and STM32 downloader
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