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Mode
Configure
Data pin
Full duplex mode of slave
device
BMEN=0
,
RXOMEN=0
MOSI receives; MISO transmits
Unidirectional receiving mode
of slave device
BMEN=0
,
RXOMEN=1
MOSI receives; MISO is not
used
Bidirectional transmitting mode
of slave device
BMEN=1
,
BMOEN=1
MOSI is not used; MISO
transmits
Bidirectional receiving mode of
slave device
BMEN=1
,
BMOEN=0
MOSI receives; MISO is not
used
Figure 107 Connection in Full Duplex Mode
Master device
SCK
MOSI
NSS
MISO
Slave device
SCK
MOSI
NSS
MISO
Figure 108 Connection in Half Duplex Mode
Master device
SCK
MOSI
NSS
MISO
Slave device
SCK
MOSI
NSS
MISO
Figure 109 Connection in Simplex Mode (the master is used for receiving, while the slave
is used for transmitting)
Master device
SCK
MOSI
NSS
MISO
Slave device
SCK
MOSI
NSS
MISO