SAM4L Datasheet, PDF (659/1185 Pages) ATMEL Corporation – ATSAM ARM-based Flash MCU

ATSAM4L4/L2
26.3 Block Diagram
Figure 26-1. SPI Block Diagram
Peripheral Bus
CLK_SPI
Peripheral DMA
Controller
Spi Interface
Interrupt Control
SPI Interrupt
I/O
Controller
SPCK
MISO
MOSI
NPCS0/NSS
NPCS1
NPCS2
NPCS3
26.4 Application Block Diagram
Figure 26-2. Application Block Diagram: Single Master/Multiple Slave Implementation
SPCK
MISO
Spi Master
MOSI
NPCS0
NPCS1
NPCS2
NC
NPCS3
SPCK
MISO
MOSI
NSS
Slave 0
SPCK
MISO
MOSI
NSS
Slave 1
SPCK
MISO
MOSI
NSS
Slave 2
42023C–SAM–02/2013
659