User manual

Code Mercenaries

5.10.3.1 SPI CPHA / CPOL

If CPOL and CPHA are = 0 data is driven on the

falling edges of SCK (green lines) and sampled on

the rising edges (blue lines). The first bit is driven

before the first rising edge on SCK.

For CPOL = 0 and CPHA = 1 data is driven on the

rising edges of SCK (blue lines) and sampled on

the falling edges (green lines). The first bit is

driven on the first rising edge of SCK.

For CPOL = 1 and CPHA = 0 data is driven on the

rising edges of SCK (green lines) and sampled on

the falling edges (blue lines). The first bit is driven

before the first falling edge of SCK.

For CPOL = 1 and CPHA = 1data is driven on the

falling edges of SCK (blue lines) and sampled on

the rising edges (green lines). The first bit is driven

on the on the first falling edge of SCK.

V 1.0.3, November 6nd 2012 for chip version V1.1.0.1