Chapter 16 Serial Peripheral Interface (S12SPIV4)
MC9S12XDP512 Data Sheet, Rev. 2.11
714 Freescale Semiconductor
16.3.2 Register Descriptions
This section consists of register descriptions in address order. Each description includes a standard register
diagram with an associated figure number. Details of register bit and field function follow the register
diagrams, in bit order.
3
Reading from this register returns all zeros.
Register
Name
Bit 7 6 5 4 3 2 1 Bit 0
0x___0
SPICR1
R
SPIE SPE SPTIE MSTR CPOL CPHA SSOE LSBFE
W
0x___1
SPICR2
R0 0 0
MODFEN BIDIROE
0
SPISWAI SPC0
W
0x___2
SPIBR
R0
SPPR2 SPPR1 SPPR0
0
SPR2 SPR1 SPR0
W
0x___3
SPISR
R SPIF 0 SPTEF MODF 0000
W
0x___4
Reserved
R
W
0x___5
SPIDR
R
Bit 7 6 5 4 3 2 1 Bit 0
W
0x___6
Reserved
R
W
0x___7
Reserved
R
W
= Unimplemented or Reserved
Figure 16-2. SPI Register Summary