MC68HC708AS48 FREESCALE [Freescale Semiconductor, Inc], MC68HC708AS48 Datasheet - Page 286

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MC68HC708AS48

Manufacturer Part Number
MC68HC708AS48
Description
Advance Information
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
Serial Peripheral Interface (SPI)
18.5 Functional Description
Figure 18-1
the structure of the SPI module.
Addr.
Register Name
SPI Control Register
(SPCR)
$0010
See page 310.
SPI Status and Control
$0011
Register (SPSCR)
See page 313.
SPI Data Register
$0012
(SPDR)
See page 316.
Figure 18-1. SPI I/O Register Summary
Advance Information
286
summarizes the SPI I/O registers and
Bit 7
6
5
Read:
SPRIE
R
SPMSTR
Write:
Reset:
0
0
1
Read:
SPRF
OVRF
ERRIE
Write:
R
R
Reset:
0
0
0
Read:
R7
R6
R5
Write:
T7
T6
T5
Reset:
Indeterminate after Reset
R
= Reserved
Serial Peripheral Interface (SPI)
Figure 18-2
shows
4
3
2
1
CPOL
CPHA
SPWOM
SPE
0
1
0
0
MODF
SPTE
MODFEN
SPR1
R
R
0
1
0
0
R4
R3
R2
R1
T4
T3
T2
T1
MC68HC708AS48
MOTOROLA
Bit 0
SPTIE
0
SPR0
0
R0
T0
Rev. 4.0

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