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<title>AVRDUDE: 5.3 SerialUPDI programmer</title>
<title>AVRDUDE: 5.1 Atmel STK600</title>
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<a name="SerialUPDI-programmer"></a>
<a name="Atmel-STK600"></a>
<table class="header" cellpadding="1" cellspacing="1" border="0">
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<a name="SerialUPDI-programmer-1"></a>
<h2 class="section">5.3 SerialUPDI programmer</h2>
<hr>
<a name="Atmel-STK600-1"></a>
<h2 class="section">5.1 Atmel STK600</h2>
<p>SerialUPDI programmer can be used for programming UPDI-only devices
using very simple serial connection.
You can read more about the details here
<a href="https://github.com/SpenceKonde/AVR-Guidance/blob/master/UPDI/jtag2updi.md">https://github.com/SpenceKonde/AVR-Guidance/blob/master/UPDI/jtag2updi.md</a>
<p>The following devices are supported by the respective STK600 routing
and socket card:
</p>
<p>SerialUPDI programmer has been tested using FT232RL USB-&gt;UART interface
with the following connection layout (copied from Spence Kohde&rsquo;s page linked
above):
</p>
<div class="example">
<pre class="example">-------------------- To Target device
DTR| __________________
Rx |--------------,------------------| UPDI---\/\/----------&gt;
Tx---/\/\/\---Tx |-------|&lt;|---' .--------| Gnd 470 ohm
resistor Vcc|---------------------------------| Vcc
1k CTS| .` |__________________
Gnd|--------------------'
--------------------
</pre></div>
<table>
<thead><tr><th width="25%">Routing card</th><th width="25%">Socket card</th><th width="50%">Devices</th></tr></thead>
<tr><td width="25%"><code></code></td><td width="25%"><code>STK600-ATTINY10</code></td><td width="50%">ATtiny4 ATtiny5 ATtiny9 ATtiny10</td></tr>
<tr><td width="25%"><code>STK600-RC008T-2</code></td><td width="25%"><code>STK600-DIP</code></td><td width="50%">ATtiny11 ATtiny12 ATtiny13 ATtiny13A ATtiny25 ATtiny45 ATtiny85</td></tr>
<tr><td width="25%"><code>STK600-RC008T-7</code></td><td width="25%"><code>STK600-DIP</code></td><td width="50%">ATtiny15</td></tr>
<tr><td width="25%"><code>STK600-RC014T-42</code></td><td width="25%"><code>STK600-SOIC</code></td><td width="50%">ATtiny20</td></tr>
<tr><td width="25%"><code>STK600-RC020T-1</code></td><td width="25%"><code>STK600-DIP</code></td><td width="50%">ATtiny2313 ATtiny2313A ATtiny4313</td></tr>
<tr><td width="25%"><code></code></td><td width="25%"><code>STK600-TinyX3U</code></td><td width="50%">ATtiny43U</td></tr>
<tr><td width="25%"><code>STK600-RC014T-12</code></td><td width="25%"><code>STK600-DIP</code></td><td width="50%">ATtiny24 ATtiny44 ATtiny84 ATtiny24A ATtiny44A</td></tr>
<tr><td width="25%"><code>STK600-RC020T-8</code></td><td width="25%"><code>STK600-DIP</code></td><td width="50%">ATtiny26 ATtiny261 ATtiny261A ATtiny461 ATtiny861 ATtiny861A</td></tr>
<tr><td width="25%"><code>STK600-RC020T-43</code></td><td width="25%"><code>STK600-SOIC</code></td><td width="50%">ATtiny261 ATtiny261A ATtiny461 ATtiny461A ATtiny861 ATtiny861A</td></tr>
<tr><td width="25%"><code>STK600-RC020T-23</code></td><td width="25%"><code>STK600-SOIC</code></td><td width="50%">ATtiny87 ATtiny167</td></tr>
<tr><td width="25%"><code>STK600-RC028T-3</code></td><td width="25%"><code>STK600-DIP</code></td><td width="50%">ATtiny28</td></tr>
<tr><td width="25%"><code>STK600-RC028M-6</code></td><td width="25%"><code>STK600-DIP</code></td><td width="50%">ATtiny48 ATtiny88 ATmega8 ATmega8A ATmega48 ATmega88 ATmega168 ATmega48P ATmega48PA ATmega88P ATmega88PA ATmega168P ATmega168PA ATmega328P</td></tr>
<tr><td width="25%"><code></code></td><td width="25%"><code>QT600-ATTINY88-QT8</code></td><td width="50%">ATtiny88</td></tr>
<tr><td width="25%"><code>STK600-RC040M-4</code></td><td width="25%"><code>STK600-DIP</code></td><td width="50%">ATmega8515 ATmega162</td></tr>
<tr><td width="25%"><code>STK600-RC044M-30</code></td><td width="25%"><code>STK600-TQFP44</code></td><td width="50%">ATmega8515 ATmega162</td></tr>
<tr><td width="25%"><code>STK600-RC040M-5</code></td><td width="25%"><code>STK600-DIP</code></td><td width="50%">ATmega8535 ATmega16 ATmega16A ATmega32 ATmega32A ATmega164P ATmega164PA ATmega324P ATmega324PA ATmega644 ATmega644P ATmega644PA ATmega1284P</td></tr>
<tr><td width="25%"><code>STK600-RC044M-31</code></td><td width="25%"><code>STK600-TQFP44</code></td><td width="50%">ATmega8535 ATmega16 ATmega16A ATmega32 ATmega32A ATmega164P ATmega164PA ATmega324P ATmega324PA ATmega644 ATmega644P ATmega644PA ATmega1284P</td></tr>
<tr><td width="25%"><code></code></td><td width="25%"><code>QT600-ATMEGA324-QM64</code></td><td width="50%">ATmega324PA</td></tr>
<tr><td width="25%"><code>STK600-RC032M-29</code></td><td width="25%"><code>STK600-TQFP32</code></td><td width="50%">ATmega8 ATmega8A ATmega48 ATmega88 ATmega168 ATmega48P ATmega48PA ATmega88P ATmega88PA ATmega168P ATmega168PA ATmega328P</td></tr>
<tr><td width="25%"><code>STK600-RC064M-9</code></td><td width="25%"><code>STK600-TQFP64</code></td><td width="50%">ATmega64 ATmega64A ATmega128 ATmega128A ATmega1281 ATmega2561 AT90CAN32 AT90CAN64 AT90CAN128</td></tr>
<tr><td width="25%"><code>STK600-RC064M-10</code></td><td width="25%"><code>STK600-TQFP64</code></td><td width="50%">ATmega165 ATmega165P ATmega169 ATmega169P ATmega169PA ATmega325 ATmega325P ATmega329 ATmega329P ATmega645 ATmega649 ATmega649P</td></tr>
<tr><td width="25%"><code>STK600-RC100M-11</code></td><td width="25%"><code>STK600-TQFP100</code></td><td width="50%">ATmega640 ATmega1280 ATmega2560</td></tr>
<tr><td width="25%"><code></code></td><td width="25%"><code>STK600-ATMEGA2560</code></td><td width="50%">ATmega2560</td></tr>
<tr><td width="25%"><code>STK600-RC100M-18</code></td><td width="25%"><code>STK600-TQFP100</code></td><td width="50%">ATmega3250 ATmega3250P ATmega3290 ATmega3290P ATmega6450 ATmega6490</td></tr>
<tr><td width="25%"><code>STK600-RC032U-20</code></td><td width="25%"><code>STK600-TQFP32</code></td><td width="50%">AT90USB82 AT90USB162 ATmega8U2 ATmega16U2 ATmega32U2</td></tr>
<tr><td width="25%"><code>STK600-RC044U-25</code></td><td width="25%"><code>STK600-TQFP44</code></td><td width="50%">ATmega16U4 ATmega32U4</td></tr>
<tr><td width="25%"><code>STK600-RC064U-17</code></td><td width="25%"><code>STK600-TQFP64</code></td><td width="50%">ATmega32U6 AT90USB646 AT90USB1286 AT90USB647 AT90USB1287</td></tr>
<tr><td width="25%"><code>STK600-RCPWM-22</code></td><td width="25%"><code>STK600-TQFP32</code></td><td width="50%">ATmega32C1 ATmega64C1 ATmega16M1 ATmega32M1 ATmega64M1</td></tr>
<tr><td width="25%"><code>STK600-RCPWM-19</code></td><td width="25%"><code>STK600-SOIC</code></td><td width="50%">AT90PWM2 AT90PWM3 AT90PWM2B AT90PWM3B AT90PWM216 AT90PWM316</td></tr>
<tr><td width="25%"><code>STK600-RCPWM-26</code></td><td width="25%"><code>STK600-SOIC</code></td><td width="50%">AT90PWM81</td></tr>
<tr><td width="25%"><code>STK600-RC044M-24</code></td><td width="25%"><code>STK600-TSSOP44</code></td><td width="50%">ATmega16HVB ATmega32HVB</td></tr>
<tr><td width="25%"><code></code></td><td width="25%"><code>STK600-HVE2</code></td><td width="50%">ATmega64HVE</td></tr>
<tr><td width="25%"><code></code></td><td width="25%"><code>STK600-ATMEGA128RFA1</code></td><td width="50%">ATmega128RFA1</td></tr>
<tr><td width="25%"><code>STK600-RC100X-13</code></td><td width="25%"><code>STK600-TQFP100</code></td><td width="50%">ATxmega64A1 ATxmega128A1 ATxmega128A1_revD ATxmega128A1U</td></tr>
<tr><td width="25%"><code></code></td><td width="25%"><code>STK600-ATXMEGA1281A1</code></td><td width="50%">ATxmega128A1</td></tr>
<tr><td width="25%"><code></code></td><td width="25%"><code>QT600-ATXMEGA128A1-QT16</code></td><td width="50%">ATxmega128A1</td></tr>
<tr><td width="25%"><code>STK600-RC064X-14</code></td><td width="25%"><code>STK600-TQFP64</code></td><td width="50%">ATxmega64A3 ATxmega128A3 ATxmega256A3 ATxmega64D3 ATxmega128D3 ATxmega192D3 ATxmega256D3</td></tr>
<tr><td width="25%"><code>STK600-RC064X-14</code></td><td width="25%"><code>STK600-MLF64</code></td><td width="50%">ATxmega256A3B</td></tr>
<tr><td width="25%"><code>STK600-RC044X-15</code></td><td width="25%"><code>STK600-TQFP44</code></td><td width="50%">ATxmega32A4 ATxmega16A4 ATxmega16D4 ATxmega32D4</td></tr>
<tr><td width="25%"><code></code></td><td width="25%"><code>STK600-ATXMEGAT0</code></td><td width="50%">ATxmega32T0</td></tr>
<tr><td width="25%"><code></code></td><td width="25%"><code>STK600-uC3-144</code></td><td width="50%">AT32UC3A0512 AT32UC3A0256 AT32UC3A0128</td></tr>
<tr><td width="25%"><code>STK600-RCUC3A144-33</code></td><td width="25%"><code>STK600-TQFP144</code></td><td width="50%">AT32UC3A0512 AT32UC3A0256 AT32UC3A0128</td></tr>
<tr><td width="25%"><code>STK600-RCuC3A100-28</code></td><td width="25%"><code>STK600-TQFP100</code></td><td width="50%">AT32UC3A1512 AT32UC3A1256 AT32UC3A1128</td></tr>
<tr><td width="25%"><code>STK600-RCuC3B0-21</code></td><td width="25%"><code>STK600-TQFP64-2</code></td><td width="50%">AT32UC3B0256 AT32UC3B0512RevC AT32UC3B0512 AT32UC3B0128 AT32UC3B064 AT32UC3D1128</td></tr>
<tr><td width="25%"><code>STK600-RCuC3B48-27</code></td><td width="25%"><code>STK600-TQFP48</code></td><td width="50%">AT32UC3B1256 AT32UC3B164</td></tr>
<tr><td width="25%"><code>STK600-RCUC3A144-32</code></td><td width="25%"><code>STK600-TQFP144</code></td><td width="50%">AT32UC3A3512 AT32UC3A3256 AT32UC3A3128 AT32UC3A364 AT32UC3A3256S AT32UC3A3128S AT32UC3A364S</td></tr>
<tr><td width="25%"><code>STK600-RCUC3C0-36</code></td><td width="25%"><code>STK600-TQFP144</code></td><td width="50%">AT32UC3C0512 AT32UC3C0256 AT32UC3C0128 AT32UC3C064</td></tr>
<tr><td width="25%"><code>STK600-RCUC3C1-38</code></td><td width="25%"><code>STK600-TQFP100</code></td><td width="50%">AT32UC3C1512 AT32UC3C1256 AT32UC3C1128 AT32UC3C164</td></tr>
<tr><td width="25%"><code>STK600-RCUC3C2-40</code></td><td width="25%"><code>STK600-TQFP64-2</code></td><td width="50%">AT32UC3C2512 AT32UC3C2256 AT32UC3C2128 AT32UC3C264</td></tr>
<tr><td width="25%"><code>STK600-RCUC3C0-37</code></td><td width="25%"><code>STK600-TQFP144</code></td><td width="50%">AT32UC3C0512 AT32UC3C0256 AT32UC3C0128 AT32UC3C064</td></tr>
<tr><td width="25%"><code>STK600-RCUC3C1-39</code></td><td width="25%"><code>STK600-TQFP100</code></td><td width="50%">AT32UC3C1512 AT32UC3C1256 AT32UC3C1128 AT32UC3C164</td></tr>
<tr><td width="25%"><code>STK600-RCUC3C2-41</code></td><td width="25%"><code>STK600-TQFP64-2</code></td><td width="50%">AT32UC3C2512 AT32UC3C2256 AT32UC3C2128 AT32UC3C264</td></tr>
<tr><td width="25%"><code>STK600-RCUC3L0-34</code></td><td width="25%"><code>STK600-TQFP48</code></td><td width="50%">AT32UC3L064 AT32UC3L032 AT32UC3L016</td></tr>
<tr><td width="25%"><code></code></td><td width="25%"><code>QT600-AT32UC3L-QM64</code></td><td width="50%">AT32UC3L064</td></tr>
</table>
<p>There are several limitations in current SerialUPDI/AVRDUDE integration,
listed below.
<p>Ensure the correct socket and routing card are mounted <em>before</em>
powering on the STK600. While the STK600 firmware ensures the socket
and routing card mounted match each other (using a table stored
internally in nonvolatile memory), it cannot handle the case where a
wrong routing card is used, e. g. the routing card
<code>STK600-RC040M-5</code> (which is meant for 40-pin DIP AVRs that have
an ADC, with the power supply pins in the center of the package) was
used but an ATmega8515 inserted (which uses the &ldquo;industry standard&rdquo;
pinout with Vcc and GND at opposite corners).
</p>
<p>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.
<p>Note that for devices that use the routing card <code>STK600-RC008T-2</code>,
in order to use ISP mode, the jumper for <code>AREF0</code> must be removed
as it would otherwise block one of the ISP signals. High-voltage
serial programming can be used even with that jumper installed.
</p>
<p>Currently available devices support only UPDI NVM programming model 0
and 2, but there is also experimental implementation of model 3 - not
yet tested.
<p>The ISP system of the STK600 contains a detection against shortcuts
and other wiring errors. AVRDUDE initiates a connection check before
trying to enter ISP programming mode, and display the result if the
target is not found ready to be ISP programmed.
</p>
<p>One of the core AVRDUDE features is verification of the connection by
reading device signature prior to any operation, but this operation
is not possible on UPDI locked devices. Therefore, to be able to
connect to such a device, you have to provide &lsquo;<samp>-F</samp>&rsquo; to override
this check.
</p>
<p>Please note: using &lsquo;<samp>-F</samp>&rsquo; during write operation to locked device
will force chip erase. Use carefully.
</p>
<p>Another issue you might notice is slow performance of EEPROM writing
using SerialUPDI for AVR Dx devices. This can be addressed by changing
<em>avrdude.conf</em> section for this device - changing EEPROM page
size to 0x20 (instead of default 1), like so:
</p>
<div class="example">
<pre class="example">#------------------------------------------------------------
# AVR128DB28
#------------------------------------------------------------
part parent &quot;.avrdx&quot;
id = &quot;avr128db28&quot;;
desc = &quot;AVR128DB28&quot;;
signature = 0x1E 0x97 0x0E;
memory &quot;flash&quot;
size = 0x20000;
offset = 0x800000;
page_size = 0x200;
readsize = 0x100;
;
memory &quot;eeprom&quot;
size = 0x200;
offset = 0x1400;
page_size = 0x1;
readsize = 0x100;
;
;
</pre></div>
<p>USERROW memory has not been defined for new devices except for
experimental addition for AVR128DB28. The point of USERROW is to
provide ability to write configuration details to already locked
device and currently SerialUPDI interface supports this feature,
but it hasn&rsquo;t been tested on wide variety of chips. Treat this as
something experimental at this point. Please note: on locked devices
it&rsquo;s not possible to read back USERROW contents when written, so
the automatic verification will most likely fail and to prevent
error messages, use &lsquo;<samp>-V</samp>&rsquo;.
</p>
<p>Please note that SerialUPDI interface is pretty new and some
issues are to be expected. In case you run into them, please
make sure to run the intended command with debug output enabled
(&lsquo;<samp>-v -v -v</samp>&rsquo;) and provide this verbose output with your
bug report. You can also try to perform the same action using
<em>pymcuprog</em> (<a href="https://github.com/microchip-pic-avr-tools/pymcuprog">https://github.com/microchip-pic-avr-tools/pymcuprog</a>)
utility with &lsquo;<samp>-v debug</samp>&rsquo; and provide its output too.
You will notice that both outputs are pretty similar, and this
was implemented like that on purpose - it was supposed to make
analysis of UPDI protocol quirks easier.
<p>High-voltage programming requires the target voltage to be set to at
least 4.5 V in order to work. This can be done using
<em>Terminal Mode</em>, see <a href="avrdude_6.html#Terminal-Mode-Operation">Terminal Mode Operation</a>.
</p>
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