Datasheet

Chapter 12 Serial Peripheral Interface (S08SPIV3)
MC9S08AW60 Data Sheet, Rev 2
208 Freescale Semiconductor
12.3.4 SPI Status Register (SPI1S)
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.
Table 12-5. SPI Baud Rate Prescaler Divisor
SPPR2:SPPR1:SPPR0 Prescaler Divisor
0:0:0 1
0:0:1 2
0:1:0 3
0:1:1 4
1:0:0 5
1:0:1 6
1:1:0 7
1:1:1 8
Table 12-6. SPI Baud Rate Divisor
SPR2:SPR1:SPR0 Rate Divisor
0:0:0 2
0:0:1 4
0:1:0 8
0:1:1 16
1:0:0 32
1:0:1 64
1:1:0 128
1:1:1 256
76543210
R SPRF 0 SPTEF MODF 0000
W
Reset 00100000
= Unimplemented or Reserved
Figure 12-8. SPI Status Register (SPI1S)