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| SAM4L Datasheet, PDF (670/1185 Pages) ATMEL Corporation – ATSAM ARM-based Flash MCU | |||
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Figure 26-9. Slave Mode Functional Block Diagram
ATSAM4L4/L2
SPCK
NSS
MOSI
SPIEN
SPIENS
SPIDIS
CSR0
BITS
NCPHA
CPOL
LSB
SPI
Clock
RXFIFOEN
RDR
RD
RDRF
OVRES
Shift Register
0
1
4 - Character FIFO
MSB
MISO
TDR
TD
UNDES
TDRE
42023CâSAMâ02/2013
670
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