diff --git a/src/doc/avrdude.texi b/src/doc/avrdude.texi index 3707f4ef..b77186a5 100644 --- a/src/doc/avrdude.texi +++ b/src/doc/avrdude.texi @@ -3722,15 +3722,11 @@ Tx---/\/\/\---Tx |----|<|---' .--------| Gnd 470 ohm There are several limitations in current SerialUPDI/AVRDUDE integration, listed below. -At the end of each run there are fuse values being presented to the user. -For most of the UPDI-enabled devices these definitions (low fuse, high -fuse, extended fuse) have no meaning whatsoever, as they have been -simply replaced by array of fuses: fuse0..9. Therefore you can simply -ignore this particular line of AVRDUDE output. - -Currently available devices support only UPDI NVM programming model 0 -and 2, but there is also experimental implementation of model 3 - not -yet tested. +Currently available devices support only UPDI NVM programming model 0, 2 +3 and 5, but there is also experimental implementation of model 4 - it +has been tested only on a single device, so issues with other devices are +expected. Full NVM v4 mode support will be provided once the hardware is +widely available. One of the core AVRDUDE features is verification of the connection by reading device signature prior to any operation, but this operation