MC68HC08AZ60A Datasheet, PDF (252/480 Pages) Motorola, Inc – Microcontrollers

Serial Peripheral Interface (SPI)
17.5 Functional Description
Figure 17-1 summarizes the SPI I/O registers and Figure 17-2 show the
structure of the SPI module.
Register name
R/W Bit 7 6
5
4
3
2
1 Bit 0
Read:
SPI Control Register (SPCR)
SPRIE R SPMSTR CPOL CPHA SPWOM SPE SPTIE
Write:
Reset: 0
0
1
0
1
0
0
0
SPI Status and Control Register
(SPSCR)
Read: SPRF
Write:
ERRIE
OVRF
MODF
SPTE
MODFEN SPR1 SPR0
Reset: 0
0
0
0
1
0
0
0
Read: R7 R6
R5
R4 R3
R2
R1 R0
SPI Data Register (SPDR)
Write: T7 T6
T5
T4
T3
T2
T1 T0
Reset:
Unaffected by reset
R = Reserved
= Unimplemented
Figure 17-1. SPI I/O Register Summary
Advance Information
252
Serial Peripheral Interface (SPI)
MC68HC08AZ60A — Rev 0.0
MOTOROLA