Datasheet

376
32133D–11/2011
UC3D
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