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	<id>https://w.electrodragon.com/w/index.php?action=history&amp;feed=atom&amp;title=SAMD21_SDK</id>
	<title>SAMD21 SDK - Revision history</title>
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	<updated>2026-07-23T19:01:08Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://w.electrodragon.com/w/index.php?title=SAMD21_SDK&amp;diff=27961&amp;oldid=prev</id>
		<title>Chao at 10:04, 8 September 2020</title>
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		<updated>2020-09-08T10:04:29Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;== Bootloader ==&lt;br /&gt;
* install arduino samd board &lt;br /&gt;
* board arduino zero (programming port)&lt;br /&gt;
* programmer - Atmel EDBG&lt;br /&gt;
* bootloader indication - D13 breathing LED&lt;br /&gt;
== Log ==&lt;br /&gt;
Flash&lt;br /&gt;
* Open On-Chip Debugger 0.10.0+dev-gf0767a31 (2018-06-11-13:36)&lt;br /&gt;
* Licensed under GNU GPL v2&lt;br /&gt;
* For bug reports, read&lt;br /&gt;
* 	http://openocd.org/doc/doxygen/bugs.html&lt;br /&gt;
* debug_level: 2&lt;br /&gt;
* Info : auto-selecting first available session transport &amp;quot;swd&amp;quot;. To override use 'transport select &amp;lt;transport&amp;gt;'.&lt;br /&gt;
* none separate&lt;br /&gt;
* adapter speed: 400 kHz&lt;br /&gt;
* cortex_m reset_config sysresetreq&lt;br /&gt;
* Info : CMSIS-DAP: SWD  Supported&lt;br /&gt;
* Info : CMSIS-DAP: JTAG Supported&lt;br /&gt;
* Info : CMSIS-DAP: Interface Initialised (SWD)&lt;br /&gt;
* Info : CMSIS-DAP: FW Version = 01.00.0021&lt;br /&gt;
* Info : SWCLK/TCK = 1 SWDIO/TMS = 1 TDI = 1 TDO = 1 nTRST = 0 nRESET = 1&lt;br /&gt;
* Info : CMSIS-DAP: Interface ready&lt;br /&gt;
* Info : clock speed 400 kHz&lt;br /&gt;
* Info : SWD DPIDR 0x0bc11477&lt;br /&gt;
* Info : at91samd21g18.cpu: hardware has 4 breakpoints, 2 watchpoints&lt;br /&gt;
* Info : Listening on port 3333 for gdb connections&lt;br /&gt;
* target halted due to debug-request, current mode: Thread &lt;br /&gt;
* xPSR: 0x21000000 pc: 0x0000293c msp: 0x20007fb0&lt;br /&gt;
* target halted due to debug-request, current mode: Thread &lt;br /&gt;
* xPSR: 0x21000000 pc: 0x00000614 msp: 0x20007ffc&lt;br /&gt;
* ** Programming Started **&lt;br /&gt;
* auto erase enabled&lt;br /&gt;
* Info : SAMD MCU: SAMD21G18A (256KB Flash, 32KB RAM)&lt;br /&gt;
* wrote 6656 bytes from file C:\Users\Administrator\AppData\Local\Arduino15\packages\arduino\hardware\samd\1.8.8/bootloaders/zero/samd21_sam_ba.bin in 0.654518s (9.931 KiB/s)&lt;br /&gt;
* ** Programming Finished **&lt;br /&gt;
* ** Verify Started **&lt;br /&gt;
* verified 6504 bytes in 0.566997s (11.202 KiB/s)&lt;br /&gt;
* ** Verified OK **&lt;br /&gt;
* ** Resetting Target **&lt;br /&gt;
* shutdown command invoked&lt;br /&gt;
&lt;br /&gt;
[[category: SAMD21]]&lt;/div&gt;</summary>
		<author><name>Chao</name></author>
	</entry>
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