diff --git a/Flashing-SiLabs-based-M3-Newton-Displays.md b/Flashing-SiLabs-based-M3-Newton-Displays.md index 16440bc..abf799d 100644 --- a/Flashing-SiLabs-based-M3-Newton-Displays.md +++ b/Flashing-SiLabs-based-M3-Newton-Displays.md @@ -17,23 +17,26 @@ The cheapest officially compatible debugger known is [this one](https://www.sila at $35, but note that it will only program Silicon Labs parts. If you want a J-Link that can do 'all' ARM-based MCUs, the cheapest would -be a mini edu at around $70. +be a mini edu at around $70, e.g. [here](https://www.digikey.com/en/products/detail/segger-microcontroller-systems/8-08-91/7387472). -J-Link clones exost on AliExpress etc, but we can't vouch for them - they +J-Link clones exist on AliExpress etc, but we can't vouch for them - they might be incompatible, have weird quirks, or otherwise not be fit for -purpose. If you want to give that a shot, feel free to report back with -your experience. +purpose. It is known that some of them are being touted as 'J-Link' while in +reality they are ST-Link clones and will thus only work with ST parts. If you +feel confident that you've found an actual J-Link clone and want to give that +a shot, feel free to report back with your experience. ## Debugger connections The programming test point layout on M3 Displays are the same for ZBS, NRF and EFR32xG22 based displays so the same you can 3D print a universal pogo pin jig. -Various universal pogo pin programming jigs available [here](https://github.com/OpenEPaperLink/Hardware) to choose from. +Various pogo pin programming jigs available [here](https://github.com/OpenEPaperLink/Hardware) to choose from. E.g. the handheld universal one [here](https://github.com/OpenEPaperLink/Hardware/blob/main/M3%20Newton%20Jigs%20by%20Jelmer/M3-universal.stl). Of course wires can also be soldered directly to the test points, the pads are relatively large and easy to solder to. +Pinout connections for Silicon Labs debugger, see sections [2.3.2/2.3.3 in the user guide](https://www.silabs.com/documents/public/user-guides/ug548-brd1015a-user-guide.pdf): | Tag | Debugger | Note | | - | - | - | |VCC | VTARGET| @@ -43,6 +46,9 @@ Of course wires can also be soldered directly to the test points, the pads are r |nRESET | RST| |P0.25 | VCOM_RX |debug output (optional)| +image + + ## Connections for Segger J-Link with 20 Pin Header