ADZS-BF537-EZLITE Analog Devices, ADZS-BF537-EZLITE Datasheet - Page 44
ADZS-BF537-EZLITE
Manufacturer Part Number
ADZS-BF537-EZLITE
Description
Specifications: Type: DSP ; Contents: Evaluation Board, Software and Documentation ; For Use With/Related Products: ADSP-BF537 ; Lead Free Status: Lead Free ; RoHS Status: RoHS Compliant
Manufacturer
Analog Devices
Datasheet
1.ADZS-BF537-EZLITE.pdf
(68 pages)
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ADSP-BF534/ADSP-BF536/ADSP-BF537
Serial Peripheral Interface Port—Slave Timing
Table 35
Table 35. Serial Peripheral Interface (SPI) Port—Slave Timing
Parameter
Timing Requirements
t
t
t
t
t
t
t
t
Switching Characteristics
t
t
t
t
SPICHS
SPICLS
SPICLK
HDS
SPITDS
SDSCI
SSPID
HSPID
DSOE
DSDHI
DDSPID
HDSPID
CPHA = 1
CPHA = 0
SPIxMISO
(OUTPUT)
SPIxMOSI
SPIxMISO
(OUTPUT)
SPIxMOSI
SPIxSCK
and
(INPUT)
(INPUT)
(INPUT)
(INPUT)
Figure 25
t
DSOE
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)
describe SPI port slave operations.
t
DSOE
t
SDSCI
t
SSPID
t
DDSPID
t
SPICLS
t
HDSPID
Figure 25. Serial Peripheral Interface (SPI) Port—Slave Timing
t
SPICHS
t
HDSPID
t
HSPID
Rev. I | Page 44 of 68 | July 2010
t
DDSPID
t
SSPID
t
DDSPID
t
SPICLK
t
HSPID
t
HDS
t
t
DSDHI
DSDHI
Min
2 × t
2 × t
4 × t
2 × t
2 × t
2 × t
1.6
1.6
0
0
0
SCLK
SCLK
SCLK
SCLK
SCLK
SCLK
t
SPITDS
–1.5
–1.5
–1.5
–1.5
–1.5
Max
8
8
10
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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