dsp56857 Freescale Semiconductor, Inc, dsp56857 Datasheet - Page 35

• Manufacturer Part Number: dsp56857
• Description: Dsp56857 Digital Signal Controller
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
SCLK (CPOL = 0)
SCLK (CPOL = 1)
SCLK (CPOL = 0)
SCLK (CPOL = 1)
(Output)
(Output)
(Output)
(Output)
(Output)
(Output)
(Input)
(Input)
(Input)
(Input)
MISO
MOSI
MISO
MOSI
SS
SS
t
DV
Figure 4-21 SPI Master Timing (CPHA = 0)
Figure 4-22 SPI Master Timing (CPHA = 1)
(ref)
t
DS
t
t
t
CL
CH
DH
Master MSB out
Master MSB out
56857 Technical Data, Rev. 6
MSB in
MSB in
t
t
F
F
t
C
t
DI
t
t
CH
t
DI
t
CL
t
t
CH
CH
CL
SS is held High on master
SS is held High on master
t
C
t
t
t
R
CL
CH
Bits 14–1
Bits 14–1
Bits 14–1
Bits 14– 1
t
t
t
F
R
t
t
F
DV
DV
Serial Peripheral Interface (SPI) Timing
Master LSB out
Master LSB out
t
R
t
t
t
R
F
F
LSB in
LSB in
t
DI
(ref)
t
DS
t
t
R
R
t
DH
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