Specifications

ST72104Gx, ST72215Gx, ST72216Gx, ST72254Gx
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SERIAL PERIPHERAL INTERFACE (Cont’d)
Table 16. SPI Register Map and Reset Values
Address
(Hex.)
Register
Label
7 6 5 4 3 2 1 0
0021h
SPIDR
Reset Value
MSB
x
x x x x x x
LSB
x
0022h
SPICR
Reset Value
SPIE
0
SPE
0
SPR2
0
MSTR
0
CPOL
x
CPHA
x
SPR1
x
SPR0
x
0023h
SPISR
Reset Value
SPIF
0
WCOL
0
0
MODF
0
0 0 0 0