S912XEG128J2MAA Datasheet, PDF (786/1324 Pages) Freescale Semiconductor, Inc – Microcontrollers

Chapter 21 Serial Peripheral Interface (S12SPIV5)
21.4.7.5.2 SPIF
SPIF occurs when new data has been received and copied to the SPI data register. After SPIF is set, it does
not clear until it is serviced. SPIF has an automatic clearing process, which is described in
Section 21.3.2.4, “SPI Status Register (SPISR)”.
21.4.7.5.3 SPTEF
SPTEF occurs when the SPI data register is ready to accept new data. After SPTEF is set, it does not clear
until it is serviced. SPTEF has an automatic clearing process, which is described in Section 21.3.2.4, “SPI
Status Register (SPISR)”.
MC9S12XE-Family Reference Manual Rev. 1.25
786
Freescale Semiconductor