SAM7X256_14 Datasheet, PDF (245/662 Pages) ATMEL Corporation – ARM-based Flash MCU

28.3 Application Block Diagram
Figure 28-2. Application Block Diagram: Single Master/Multiple Slave Implementation
SPI Master
SPCK
MISO
MOSI
NPCS0
NPCS1
NPCS2 NC
NPCS3
SPCK
MISO
MOSI
NSS
SPCK
MISO
MOSI
NSS
SPCK
MISO
MOSI
NSS
Slave 0
Slave 1
Slave 2
28.4 Signal Description
Table 28-1. Signal Description
Pin Name
MISO
MOSI
SPCK
NPCS1-NPCS3
NPCS0/NSS
Pin Description
Master In Slave Out
Master Out Slave In
Serial Clock
Peripheral Chip Selects
Peripheral Chip Select/Slave Select
Master
Input
Output
Output
Output
Output
Type
Slave
Output
Input
Input
Unused
Input
SAM7X Series [DATASHEET]
6120K–ATARM–11-Feb-14
245