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AVR UPDI Programming

Only available on Keyfob Version 3.

Microchip recommend the following layout for ISP header on your

target circuit. Only 3 wires need connecting.

The 10DIL6 adapter has this pinout for UPDI, connect it to end of

10-way lead.

If you have a different header layout, you can use 10FLEX6 flying
lead. These wires need connecting to the target for AVR UPDI

programming

Blue - UPDI_Data

Green - VCC
Brown - GND

UPDI_DATA is Reset pin on most ATtiny AVR

microcontrollers but ATmega UPDI have dedicated UPDI
programming pin.

Microchip recommend that no other circuitry is connected to
UPDI_DATA.

Содержание KEYFOB

Страница 1: ...utable file on the CD This will install software and pre install USB drivers 2 Plugin PC dongle to a USB port The drivers should install automatically If they do not see Troubleshooting section LOADIN...

Страница 2: ...tected then this message will appear Make sure the programmer is connected to the dongle and the programmer is powered or battery is Ok c To run programmer in Demo mode Click Ignore The programmer sof...

Страница 3: ...w will appear The caption at top will say Keyfob or V3 Keyfob for latest version Only V3 supports UPDI The right hand side of the screen shows the Programmer settings and the left hand side shows deta...

Страница 4: ...Hz target clock Fast is 8MHz target clock Medium Fast is 1MHz target clock Fuse settings on new AVR devices give 1MHz clock by default UPDI Speed V3 Only UPDI uses Baud rate If you get UPDI entry fail...

Страница 5: ...The only way to clear it is by choosing Erase Unit button Other Setup Features Program Description You must enter a program description of up to 16 characters This is displayed in pane at top when pr...

Страница 6: ...elected This will clear any old settings Click Read to examine the contents of the programmer Fuse Button Click the Fuse button to edit the Fuses for the currently selected device If you select a diff...

Страница 7: ...d are actually 0 value The binary values of each available fuse are displayed at the button of the screen Click Edit Binary button to enter fuse values as binary numbers or Edit Hex to enter Hex value...

Страница 8: ...This allows the settings and data from one programmer previously saved as a PRG file to be loaded into another programmer This is the easiest way to load multiple programmers Load the first one with a...

Страница 9: ...eg avrHHP exe Load C Test Files test1 prg will load this file The software will run load the programmer and then close To keep the software open after load add a third parameter called SHOW for examp...

Страница 10: ...a battery The target must be powered and it supplies power to the keyfob so no battery is needed The minimum target voltage with the keyfob programmer is 3 3V For lower voltage support down to 1 8V u...

Страница 11: ...ort ribbon cable Target Layout not end of lead view Header is 0 1 2 54mm box header in 5 x 2 format with polarising notch 10 way IDC header See section below for Six Way adapters GND These pins must b...

Страница 12: ...ts force the state of the AVR pins In exceptional cases a multiplexer may be needed to isolate these lines Capacitors on these lines may mean that a slower programming speed should be selected AVRs th...

Страница 13: ...these are programmer Ground Pin 6 is connected to programmer battery but can be omitted Pin 8 MUST be connected as it is the mode pin The programmer uses this pin to check if it is connected to a PC...

Страница 14: ...GND pins together So the adapter is not as straight forward as it first appears Adapters from the 10 way DIL interface to 6 way flying leads 6 way DIL Atmel 3 x 2 0 1 pin header and 6 way Micromatch...

Страница 15: ...t for UPDI connect it to end of 10 way lead If you have a different header layout you can use 10FLEX6 flying lead These wires need connecting to the target for AVR UPDI programming Blue UPDI_Data Gree...

Страница 16: ...s did not verify 6 Red Flashes Program Limit reached 7 Red Flashes Device ID did not match 8 Red Flashes Empty programmer 9 Red Flashes Header checksum error 10 Red Flashes Flash checksum error You ca...

Страница 17: ...elow Error Message Programmer is not responding check connections and battery power 1 Check dongle is attached to USB port 2 Check that programmer is connected to PC as shown on Page 1 3 Check battery...

Страница 18: ...versions of Kanda software All starter kits supplied after June 2021 will contain Dongle3 Dongle3 Supplied from July 10th 2021 Dongle3 will work with all FTDI drivers and will also work with Kanda so...