From bc75d261a43c39627d620c91dd0465a9d6cb11d2 Mon Sep 17 00:00:00 2001 From: Piotr Dobrowolski Date: Fri, 17 Jun 2022 19:39:13 +0200 Subject: [PATCH] hardware/sejfduino: add v2.0 errata doc --- hardware/sejfduino/ERRATA.md | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 hardware/sejfduino/ERRATA.md diff --git a/hardware/sejfduino/ERRATA.md b/hardware/sejfduino/ERRATA.md new file mode 100644 index 0000000..af8a338 --- /dev/null +++ b/hardware/sejfduino/ERRATA.md @@ -0,0 +1,13 @@ +## v2.0 - "kajetanless" white PCB +### #1: Programming header J6 has non-standard layout +Use a custom cable. + +### #2: R1 reset line resistor is pull-down +R1 footprint *shall not be populated*, and an equivalent resistor should be put +in a pull-up configuration between reset line and ground. + +Sensible place for that is between one C2 leg and reset line going next to it +to J6 programming header. + +## v2.1 - "pulled-up" green PCB +Errata #2 fixed.