boards:pico
Differences
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boards:pico [2023/10/09 17:48] – created lars | boards:pico [2023/10/16 00:08] (current) – [Flash] lars | ||
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Clock: 12 MHz (Delay 47 =0x2f) | Clock: 12 MHz (Delay 47 =0x2f) | ||
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+ | ===== Flash ===== | ||
+ | |||
+ | Clock: max 133 MHz | ||
+ | |||
+ | 66MB/s | ||
+ | |||
+ | 24bit address == 16MB max! | ||
+ | |||
+ | on board is a 2MB Flash Reading above 2MB wraps around into the 2MB. Therefore in the 16MB window the 2MB data will be available 8 times. | ||
+ | |||
+ | OpenOCD says it is NOR Flash | ||
+ | |||
+ | Flash reads on rising edge | ||
+ | Flash data is vaid on falling edge | ||
+ | |||
+ | 8pad USON 2x3mm | ||
+ | |||
+ | QE= 1 fixed! | ||
+ | WEL = 0 ! | ||
+ | |||
+ | /Hold is disabled! | ||
+ | |||
+ | |||
+ | |||
+ | Block = 256 Bytes (8192 blocks) | ||
+ | |||
+ | Erase: | ||
+ | ^ size in blocks ^ size in Bytes ^ time to erase ^ | ||
+ | | 16 | 4 kB | 45-400 ms | | ||
+ | | 128 | 32 kB | 120-1600 ms | | ||
+ | | 256 | 64 kB | 150-2000 ms | | ||
+ | | all | chip erase | 5-25 s| | ||
+ | |||
boards/pico.1696866493.txt.gz · Last modified: 2023/10/09 17:48 by lars