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sdcardlib: use slightly faster spi clock

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also:
- new benchmark results
- experiment with synthesis settings
This commit is contained in:
slederer 2025-09-16 21:57:53 +02:00
parent 278f90a464
commit 4e044ad2a4
3 changed files with 27 additions and 8 deletions
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4
lib/sdcardlib.s
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@ -264,8 +264,8 @@ CARD_OK:
; set fast transfer rate
CARDFASTCLK:
LOADC SPIREG
; set clock divider to ~2,6MHz
LOADCP SPI_CLK_DIV_WR,10 ; using the LOADCP with offset syntax here
; set clock divider to ~2.75MHz
LOADCP SPI_CLK_DIV_WR,7 ; using the LOADCP with offset syntax here
STOREI
DROP
RET