Freescale Semiconductor, Inc.
Multiple Serial Interface
Transfer
SCK (CPOL=0)
SCK (CPOL=1)
Begin
End
SAMPLE I
(MOSI/MISO)
CHANGE O
(MOSI pin)
CHANGE O
(MISO pin)
SEL SS (O)
(Master only)
SEL SS (I)
t
t
t
t
L
L
T
I
MSB first (LSBF=0):
LSB first (LSBF=1):
MSB
LSB
Bit 6
Bit 1
Bit 5
Bit 2
Bit 4
Bit 3
Bit 3
Bit 4
Bit 2
Bit 5
Bit 1
Bit 6
LSB Minimum 1/2 SCK
for t , t , t
MSB
T
l
L
Figure 15-4. SPI Clock Format 0 (CPHA = 0)
Advance Information
252
68HC(9)12D60 — Rev 4.0
MOTOROLA
Multiple Serial Interface
For More Information On This Product,
Go to: www.freescale.com