mc9s08qg8 Freescale Semiconductor, Inc, mc9s08qg8 Datasheet - Page 220

• Manufacturer Part Number: mc9s08qg8
• Description: Hcs08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Serial Peripheral Interface (S08SPIV3)
15.3.4
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.
220
Reset
SPRF
Field
7
W
R
SPRF
SPI Status Register (SPIS)
SPI Read Buffer Full Flag — SPRF is set at the completion of an SPI transfer to indicate that received data may
be read from the SPI data register (SPID). SPRF is cleared by reading SPRF while it is set, then reading the SPI
data register.
0 No data available in the receive data buffer
1 Data available in the receive data buffer
0
7
= Unimplemented or Reserved
0
0
6
MC9S08QG8 and MC9S08QG4 Data Sheet, Rev. 1.01
SPR2:SPR1:SPR0
Table 15-7. SPIS Register Field Descriptions
Figure 15-8. SPI Status Register (SPIS)
0:0:0
0:0:1
0:1:0
0:1:1
1:0:0
1:0:1
1:1:0
1:1:1
SPTEF
Table 15-6. SPI Baud Rate Divisor
1
5
MODF
0
4
Description
Rate Divisor
3
0
0
128
256
16
32
64
2
4
8
0
0
2
Freescale Semiconductor
0
0
1
0
0
0