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Messages - logcat00

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Discussion - Software / ft2232h spi 30Mhz
« on: August 14, 2023, 05:07:19 PM »
hi ~
May I ask if using the 0x13 command and 0x11 command can achieve an SPI speed of 30 MHz?
I have found that 3-line SPI (9-bit) cannot achieve 30 MHz. Is there a 9-bit command available?
see AN_108 Command Processor For MPSSE and MCU Host Bus Emulation Modes .
thank you so mcuh!!

2
Discussion - Software / FT2232H SPI 9Bit (Use python)
« on: July 04, 2023, 12:28:55 PM »
Hello everyone, could you please confirm if the FT2232H can support 9-bit SPI?
I have an SPI device that requires the use of 9-bit SPI format.
Is there a way to achieve this? Please find below the current code

#I have referred to AN108 and successfully transmitted a single data packet of 0x55 from the oscilloscope.
Thank You.

dev.write(bytes([0x11, 0x00,0x00,0x55]))    #  Write 1 Byte 0x55 to Device

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