MC9S08QE16CLC Datasheet, PDF (246/350 Pages) Freescale Semiconductor, Inc – Low-power wireless applications, Gas, water and heater meters

Table 14-5. SPI Baud Rate Prescaler Divisor
SPPR2:SPPR1:SPPR0
0:0:0
0:0:1
0:1:0
0:1:1
1:0:0
1:0:1
1:1:0
1:1:1
Prescaler Divisor
1
2
3
4
5
6
7
8
Table 14-6. SPI Baud Rate Divisor
SPR3:SPR2:SPR1:SPR0
0:0:0:0
0:0:0:1
0:0:1:0
0:0:1:1
0:1:0:0
0:1:0:1
0:1:1:0
0:1:1:1
1:0:0:0
All other combinations
Rate Divisor
2
4
8
16
32
64
128
256
512
reserved
14.4.4 SPI Status Register (SPIS)
This register has three read-only status bits. Bits 6, 3, 2, 1, and 0 are not implemented and always read 0.
Writes have no meaning or effect.
7
6
5
4
3
2
1
0
R SPRF
0
SPTEF
MODF
0
0
0
0
W
Reset
0
0
1
0
0
0
0
0
= Unimplemented or Reserved
Figure 14-8. SPI Status Register (SPIS)
MC9S08AC60 Series Data Sheet, Rev. 3
246
Freescale Semiconductor