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Diffstat (limited to 'spi/max7219')
| -rw-r--r-- | spi/max7219/README | 31 | ||||
| -rw-r--r-- | spi/max7219/max7219.sr | bin | 0 -> 6246 bytes |
2 files changed, 31 insertions, 0 deletions
diff --git a/spi/max7219/README b/spi/max7219/README new file mode 100644 index 0000000..001b00b --- /dev/null +++ b/spi/max7219/README @@ -0,0 +1,31 @@ +------------------------------------------------------------------------------- +Maxim MAX7219 +------------------------------------------------------------------------------- + +This is a set of example captures of a Maxim MAX7219 LED display driver. + +Details: +https://www.maximintegrated.com/en/products/MAX7219 + + +Logic analyzer setup +-------------------- + +The logic analyzer used was a Saleae Logic clone (at 2MHz): + + Probe MAX7219 + ------------------- + 0 MISO (not used by this chip) + 1 CS# + 2 MOSI + 3 CLK + + +Data +---- + +The capture was generated using PulseView. + +The chip was driven by an FTDI FT232H connected to USB, using a custom Perl +program to drive the signals, including the intentional error cases. + diff --git a/spi/max7219/max7219.sr b/spi/max7219/max7219.sr Binary files differnew file mode 100644 index 0000000..3342b48 --- /dev/null +++ b/spi/max7219/max7219.sr |