Re: [Xc3sprog-users] SPI programming - delayed reads

[Álvaro L. <alv...@al...>]

Álvaro Lopes wrote:
> I did implement with non-busy check, meaning no wait for tBP (works well for low speeds), and I can erase+program+verify in about 6 seconds (increasing the FTDI
> JTAG frequency to its maximum). Other approaches (except for TCK one, which adds about 2 seconds) are painfully slow.

Some clarification here: I did program a s3e250 bitfile (about 1.2Mbit), not the entire 4Mbit flash. Also erase is sector erase, not bulk.

Álvaro