Support circuit of multi -functional singlechip programming download

The utility model discloses a support circuit of multi -functional singlechip programming download, it includes: CH341A master control circuit, USB interface circuit, the automatic download of STC singlechip are handled and LED mode indicating circuit, 3.3V voltage generation and IIC download LED in...

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Bibliographische Detailangaben
Hauptverfasser:	MA ZILONG, HUANG QINGMO, LI XIANG, OUYANG CHUANXIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING
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Beschreibung
Zusammenfassung:	The utility model discloses a support circuit of multi -functional singlechip programming download, it includes: CH341A master control circuit, USB interface circuit, the automatic download of STC singlechip are handled and LED mode indicating circuit, 3.3V voltage generation and IIC download LED indicating circuit, UART downloads the interface and SPI downloads the interface, three kinds of interface mode of UART, SPI and IIC can be supported respectively to this circuit, can provide two types of single chip microcomputer program of AVR and STC simultaneously and download. 本实用新型揭示了种支持多功能的单片机编程下载的电路，其包括：CH341A主控电路、USB接口电路、STC单片机自动下载处理及LED模式指示电路、3.3V电压产生及IIC下载LED指示电路、UART下载接口、以及SPI下载接口；该电路可分别支持UART、SPI和IIC三种接口方式，能同时提供AVR和STC两类单片机程序下载。