9 years, 7 months ago.

FRDM KL46Z board not getting detected.

The board was working fine until i tried using the SDA of one board to program other. Now both the boards are not getting detected on the pc even when I disconnected the inter-board SDA connections. Please help

Question relating to:

The FRDM-KL46Z is an ultra-low-cost development platform enabled by the Kinetis L series KL4x MCU family built on the ARM® Cortex™-M0+ processor. Features include easy access to MCU I/O, battery-ready, …

Adding pictures of you wiring or a schematic will allow people to better help you. Also - by providing more detail and clearly stating what you are trying to do - I think you'll get more help with a question like this :)

posted by Sam Grove 03 Oct 2014

I am trying to program one FRDM microcontroller using the SDA of another microcontroller. I connected pin 4 of the SDA (J11) to pin 2 of J18 of the target uC. Also I connected pins 2 and 10 of J11 of the 2 uCs as specified in the datasheet. I didnt cut the connection between J11 and J18 of the source controller. As I powered up, the uCs showed bootloader error ( 8 flashing LEDs). So I disconnected the connections between the 2 uCS. But now both the uCs are not even detected on my pc.

posted by green rosh 03 Oct 2014
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