mc9s12xd256 Freescale Semiconductor, Inc, mc9s12xd256 Datasheet - Page 527

• Manufacturer Part Number: mc9s12xd256
• Description: Hcs12x Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Chapter 12 Serial Peripheral Interface (S12SPIV4)
Data A Received
Data B Received
Data C Received
SPIF Serviced
Receive Shift Register
Data A
Data B
Data C
SPIF
SPI Data Register
Data B
Data C
Data A
= Unspecified
= Reception in progress
Figure 12-8. Reception with SPIF Serviced in Time
Data A Received
Data B Received
Data C Received
Data B Lost
SPIF Serviced
Receive Shift Register
Data B
Data C
Data A
SPIF
SPI Data Register
Data A
Data C
= Unspecified
= Reception in progress
Figure 12-9. Reception with SPIF Serviced too Late
MC9S12XDP512 Data Sheet, Rev. 2.17
Freescale Semiconductor
527