diff --git a/KiCad Sources/1.9/README.MD b/KiCad Sources/1.9/README.MD new file mode 100644 index 0000000..a23fec2 --- /dev/null +++ b/KiCad Sources/1.9/README.MD @@ -0,0 +1,8 @@ +In this version of the design, I'm adding pull-up resistors to the /WE and the EN_RST lines. +It helps to handle the state of the emulator when Arduino resets, this prevents the memory content corruption when we re-connect to the Arduino, +remember Arduino Nano has the feature where it resets as soon as you open the serial port. +All of this is useful for the new software that I'm working on - it allows you to cache the data and only upload new/changed sectors. + +Consider this PCB version verified as I already had boards made by PCBWay and they work fine. + +This is the last version for the design with 2x 32k SRAMs ... I'm now moving to a new design that is using a single SRAM chip (see the 2.1 folder).