MC9S08RC8 Datasheet, PDF (175/234 Pages) Freescale Semiconductor, Inc – Microcontrollers

Serial Peripheral Interface (SPI) Module
Table 13-2. 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
SPR2:SPR1:SPR0 — SPI Baud Rate Divisor
This 3-bit field selects one of eight divisors for the SPI baud rate divider as shown in Figure 13-3. The
input to this divider comes from the SPI baud rate prescaler (see Figure 13-4). The output of this
divider is the SPI bit rate clock for master mode.
Table 13-3. SPI Baud Rate Divisor
SPR2:SPR1:SPR0
0:0:0
0:0:1
0:1:0
0:1:1
1:0:0
1:0:1
1:1:0
1:1:1
Rate Divisor
2
4
8
16
32
64
128
256
MC9S08RC/RD/RE/RG Data Sheet, Rev. 1.11
Freescale Semiconductor
175