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  • EFM32 ARM+ KEIl program

    1Hardware connection

    When using the EFM32 starter kit to make a JLINK burn, you must connect the connection between the starter kit and the target board correctly. The MCU of EFM32 USES SWD mode to burn and debug, as shown below, the SWD connection circuit of the 20PIN standard JTAG.

    Please note that the interface of 20Pin does not supply the power to EFM32 MCU. The target board needs external power supply, and the 1 foot needs to connect the target board's VMCU for the detection and use of the burning recorder.

    All introductory EFM32 suite offers 20 Pin connector, one of the starter kit 20 Pin of the JTAG interface standard and the JTAG two kinds, the connection line of the sequence is different, this need to pay attention to, the following figure.

     The following routine USES the EFM32ZG starter kit to make the burning device, the EFM32WG starter kit makes the target board, and the connecting circuit is as follows:

    In the EFM32 starter kit for non-jtag interfaces, SWD pins are defined as follows: 1 foot VMCU,2 feet SWIO, 3 feet GND, 4 feet SWCLK, 6 feet SWO, 10 feet RESET

       Note: in the attachment above, SWO is not required to burn and debug the pins, which are mainly used for output such as program counter sampling values and timestamps.

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  • 原文地址:https://www.cnblogs.com/huangbaobaoi/p/7700689.html
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