ADSP-BF561_06 AD [Analog Devices], ADSP-BF561_06 Datasheet - Page 36
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: 36 of 60
- Download datasheet (3Mb)
ADSP-BF561
Serial Peripheral Interface (SPI) Port—
Slave Timing
Table 27
Table 27. Serial Peripheral Interface (SPI) Port—Slave Timing
Parameter
Timing Requirements
t
t
t
t
t
t
t
Switching Characteristics
t
t
t
t
t
SPICHS
SPICLS
SPICLK
HDS
SPITDS
SDSCI
SSPID
DSOE
DSDHI
DDSPID
HDSPID
HSPID
and
Serial Clock High Period
Serial Clock Low Period
Serial Clock Period
Last SCK Edge to SPISS Not Asserted
Sequential Transfer Delay
SPISS Assertion to First SCK Edge
Data Input Valid to SCK Edge (Data Input Setup)
SCK Sampling Edge to Data Input Invalid
SPISS Assertion to Data Out Active
SPISS Deassertion to Data High Impedance
SCK Edge to Data Out Valid (Data Out Delay)
SCK Edge to Data Out Invalid (Data Out Hold)
CPHA=0
CPHA=1
Figure 21
(INPUT)
(INPUT)
(INPUT)
(OUTPUT)
(OUTPUT)
(CPOL = 0)
(CPOL = 1)
SPISS
MOSI
MOSI
(INPUT)
(INPUT)
MISO
MISO
SCK
SCK
describe SPI port slave operations.
t
DSOE
t
DSOE
t
SDSCI
MSB VALID
t
t
t
DDSPID
t
SPICHS
SPICLS
Figure 21. Serial Peripheral Interface (SPI) Port—Slave Timing
MSB VALID
SSPID
t
DDSPID
MSB
t
t
MSB
SPICHS
Rev. A | Page 36 of 60 | May 2006
SPICLS
t
HDSPID
t
HSPID
t
SSPID
t
LSB VALID
DDSPID
t
t
SPICLK
SSPID
LSB
LSB VALID
t
Min
2t
2t
4t
2t
2t
2t
1.6
1.6
0
0
0
0
HSPID
SCLK
SCLK
SCLK
SCLK
SCLK
SCLK
t
t
–1.5
–1.5
–1.5
–1.5
–1.5
–1.5
DSDHI
t
HDS
LSB
DSDHI
t
HSPID
t
SPITDS
Max
8
8
10
10
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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