Atmel Xplained Evaluation Board AT32UC3A3-XPLD AT32UC3A3-XPLD Data Sheet
Product codes
AT32UC3A3-XPLD
405
32072H–AVR32–10/2012
AT32UC3A3
21.3
Block Diagram
Figure 21-1. SPI Block Diagram
21.4
Application Block Diagram
Figure 21-2. Application Block Diagram: Single Master/Multiple Slave Implementation
Spi Interface
Interrupt Control
Peripheral DMA
Controller
I/O
Controller
CLK_SPI
Peripheral Bus
SPI Interrupt
SPCK
NPCS3
NPCS2
NPCS1
NPCS0/NSS
MOSI
MISO
Slave 0
Slave 2
Slave 1
SPCK
NPCS3
NPCS2
NPCS1
NPCS0
MOSI
MISO
Spi Master
SPCK
NSS
MOSI
MISO
SPCK
NSS
MOSI
MISO
SPCK
NSS
MOSI
MISO
NC