C8051F850-C-GM Datasheet, PDF (234/328 Pages) Silicon Laboratories – Low-Cost 8-bit MCU Family with up to 8 kB of Flash

Master Device 1
SCK
MISO
MOSI
NSS
port pin
Slave Device
SCK
MISO
MOSI
NSS
Master Device 2
NSS
MOSI
MISO
SCK
port pin
Figure 23.2. Multiple-Master Mode Connection Diagram
Master Device
SCK
MISO
MOSI
Slave Device
SCK
MISO
MOSI
Figure 23.3. 3-Wire Single Master and 3-Wire Single Slave Mode Connection Diagram
Master Device
SCK
MISO
MOSI
NSS
Slave Device
SCK
MISO
MOSI
NSS
Figure 23.4. 4-Wire Single Master Mode and 4-Wire Slave Mode Connection Diagram
211
Rev. 1.0