ADSP-BF561_06 AD [Analog Devices], ADSP-BF561_06 Datasheet - Page 35
ADSP-BF561_06
Manufacturer Part Number
ADSP-BF561_06
Description
Blackfin Embedded Symmetric Multiprocessor
Manufacturer
AD [Analog Devices]
Datasheet
1.ADSP-BF561_06.pdf
(60 pages)
- Current page: 35 of 60
- Download datasheet (3Mb)
Serial Peripheral Interface (SPI) Port—
Master Timing
Table 26
Table 26. Serial Peripheral Interface (SPI) Port—Master Timing
Parameter
Timing Requirements
t
t
Switching Characteristics
t
t
t
t
t
t
t
t
SSPIDM
HSPIDM
SDSCIM
SPICHM
SPICLM
SPICLK
HDSM
SPITDM
DDSPIDM
HDSPIDM
and
CPHA=0
CPHA=1
Data Input Valid to SCK Edge (Data Input Setup)
SCK Sampling Edge to Data Input Invalid
SPISELx Low to First SCK Edge
Serial Clock High Period
Serial Clock Low Period
Serial Clock Period
Last SCK Edge to SPISELx High
Sequential Transfer Delay
SCK Edge to Data Out Valid (Data Out Delay)
SCK Edge to Data Out Invalid (Data Out Hold)
Figure 20
(OUTPUT)
(INPUT)
(INPUT)
(OUTPUT)
(CPOL = 0)
(CPOL = 1)
(OUTPUT)
SPISELx
(OUTPUT)
(OUTPUT)
MISO
MISO
MOSI
MOSI
SCK
SCK
describe SPI port master operations.
t
SSPIDM
t
SDSCIM
MSB VALID
t
SSPIDM
Figure 20. Serial Peripheral Interface (SPI) Port—Master Timing
MSB
t
t
SPICHM
SPICLM
MSB VALID
t
HSPIDM
t
Rev. A | Page 35 of 60 | May 2006
t
t
DDSPIDM
MSB
SPICLM
SPICHM
t
HSPIDM
t
DDSPIDM
t
HDSPIDM
LSB VALID
t
t
SSPIDM
SPICLK
t
HDSPIDM
LSB VALID
LSB
t
Min
7.5
–1.5
2t
2t
2t
4t
2t
2t
0
–1.0
HDSM
LSB
t
SCLK
SCLK
SCLK
SCLK
SCLK
SCLK
HSPIDM
–1.5
–0.5
–1.5
–1.5
–1.5
–1.5
t
SPITDM
ADSP-BF561
Max
6
+4.0
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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