Rainbow Electronics AT91CAP9S250A User Manual
Page 463
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463
6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
33.6.3.1
Master Mode Block Diagram
Figure 33-5. Master Mode Block Diagram
Shift Register
SPCK
MOSI
LSB
MSB
MISO
SPI_RDR
RD
SPI
Clock
TDRE
SPI_TDR
TD
RDRF
OVRES
SPI_CSR0..3
CPOL
NCPHA
BITS
MCK
Baud Rate Generator
SPI_CSR0..3
SCBR
NPCS3
NPCS0
NPCS2
NPCS1
NPCS0
0
1
PS
SPI_MR
PCS
SPI_TDR
PCS
MODF
Current
Peripheral
SPI_RDR
PCS
SPI_CSR0..3
CSAAT
PCSDEC
MODFDIS
MSTR
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