ADSP-21262_05 AD [Analog Devices], ADSP-21262_05 Datasheet - Page 35

• Manufacturer Part Number: ADSP-21262_05
• Description: Embedded Processor
• Manufacturer: AD [Analog Devices]

SPI Protocol—Slave
See
Table 30. SPI Protocol—Slave
Parameter
Timing Requirements
t
t
t
t
t
t
t
t
Switching Characteristics
t
t
t
t
t
SPICLKS
SPICHS
SPICLS
SDSCO
HDS
SSPIDS
HSPIDS
SDPPW
DSOE
DSDHI
DDSPIDS
HDSPIDS
DSOV
Table 30
and
Figure
Serial Clock Cycle
Serial Clock High Period
Serial Clock Low Period
SPIDS Assertion to First SPICLK Edge
CPHASE = 0
CPHASE = 1
Last SPICLK Edge to SPIDS Not Asserted CPHASE = 0
Data Input Valid to SPICLK Edge (Data Input Setup Time)
SPICLK Last Sampling Edge to Data Input Not Valid
SPIDS Deassertion Pulse Width (CPHASE = 0)
SPIDS Assertion to Data Out Active
SPIDS Deassertion to Data High Impedance
SPICLK Edge to Data Out Valid (Data Out Delay Time)
SPICLK Edge to Data Out Not Valid (Data Out Hold Time)
SPIDS Assertion to Data Out Valid (CPHASE = 0)
26.
Rev. B | Page 35 of 48 | August 2005
2 × t
Min
4 × t
2 × t
2 × t
2 × t
2 × t
2 × t
2
2
2 × t
0
0
CCLK
CCLK
CCLK
CCLK
CCLK
CCLK
CCLK
CCLK
– 2
– 2
+ 1
+ 1
– 2
Max
5
5
7.5
5 × t
CCLK
+ 2
ADSP-21262
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns