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eink bootloader finished

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geeksville
2020-09-28 15:18:32 -07:00
parent 6a4ef7e1d1
commit 116fe6d109
2 changed files with 8 additions and 3 deletions
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variants/eink/variant.h
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@@ -51,11 +51,14 @@ feedback to give:
* remove ipx connector for nfc, instead use two caps and loop traces on the back of the board as an antenna?
* the i2c RTC seems to talk fine on the i2c bus
* I've made the serial flash chip work, but if you do a new spin of the board I recommend:
connect pin 3 and pin 7 of U4 to spare GPIOs on the processor (instead of their current connections),
This would allow using 4 bit wide interface mode to the serial flash.
doubling the transfer speed! see example here:
This would allow using 4 bit wide interface mode to the serial flash - doubling the transfer speed! see example here:
https://infocenter.nordicsemi.com/topic/ug_nrf52840_dk/UG/nrf52840_DK/hw_external_memory.html?cp=4_0_4_7_4
Once again - I'm glad you added that external flash chip.
*/
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