diff options
| author | Luke T. Shumaker <lukeshu@lukeshu.com> | 2025-03-02 23:22:40 -0700 |
|---|---|---|
| committer | Luke T. Shumaker <lukeshu@lukeshu.com> | 2025-03-04 00:12:54 -0700 |
| commit | 7a1f764cda070de396fcb186e1f7457ff2704ba4 (patch) | |
| tree | 7597531f40d76017114b1762e2803f687888a132 /libhw/rp2040_include | |
| parent | c336bf7f2205131c86e6d2991770a2c150d85ca9 (diff) | |
Bump the CPU clock speed, wring a few more MHz out of the hwspi
Diffstat (limited to 'libhw/rp2040_include')
| -rw-r--r-- | libhw/rp2040_include/libhw/rp2040_hwspi.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libhw/rp2040_include/libhw/rp2040_hwspi.h b/libhw/rp2040_include/libhw/rp2040_hwspi.h index f90c1af..a76a2c8 100644 --- a/libhw/rp2040_include/libhw/rp2040_hwspi.h +++ b/libhw/rp2040_include/libhw/rp2040_hwspi.h @@ -73,6 +73,10 @@ LO_IMPLEMENTATION_H(spi, struct rp2040_hwspi, rp2040_hwspi) * that the CPU can't do things in time. * + Experimentally: * | clk_sys=125MHz | baud=31.25MHz | works OK | + * | clk_sys=160MHz | baud=40 MHz | works OK | + * | clk_sys=170MHz | baud=42.5 MHz | works OK | + * | clk_sys=180MHz | baud=45 MHz | mangled in funny ways? | + * | clk_sys=200MHz | baud=50 MHz | messages get shifted right a bit | * | clk_sys=125MHz | baud=62.5 MHz | messages get shifted right a bit | * * Both of these restrictions aught to be avoidable by using a |