ADZS-21469-EZBRD Analog Devices Inc, ADZS-21469-EZBRD Datasheet - Page 46

• Manufacturer Part Number: ADZS-21469-EZBRD
• Description: KIT EVAL EZ BOARD ADSP-21469
• Manufacturer: Analog Devices Inc
• Series: SHARC®r
• Type: DSPr

Specifications of ADZS-21469-EZBRD

• Contents: Board
• Silicon Manufacturer: Analog Devices
• Core Architecture: SHARC
• Features: External JTAG Emulator, Standalone Debug Agent Board
• Kit Contents: Board Cables CD Docs
• Silicon Core Number: ADSP-21469
• Silicon Family Name: SHARC
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: ADSP-2146x
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

ADSP-21462/ADSP-21465/ADSP-21467/ADSP-21469
SPI Interface—Master
The ADSP-2146x contains two SPI ports. Both primary and sec-
ondary are available through DPI only. The timing provided in
Table 43
Table 43. SPI Interface Protocol—Master Switching and Timing Specifications
Parameter
Timing Requirements
t
t
Switching Characteristics
t
t
t
t
t
t
t
t
SSPIDM
HSPIDM
SPICLKM
SPICHM
SPICLM
DDSPIDM
HDSPIDM
SDSCIM
HDSM
SPITDM
CPHASE = 1
CPHASE = 0
and
Table 44
(OUTPUT)
FLAG3
(OUTPUT)
(OUTPUT)
(OUTPUT)
(OUTPUT)
(CP = 0)
(CP = 1)
SPICLK
SPICLK
MOSI
(INPUT)
MOSI
(INPUT)
MISO
MISO
-
0
applies to both.
Data Input Valid To SPICLK Edge (Data Input Setup Time)
SPICLK Last Sampling Edge To Data Input Not Valid
Serial Clock Cycle
Serial Clock High Period
Serial Clock Low Period
SPICLK Edge to Data Out Valid (Data Out Delay Time)
SPICLK Edge to Data Out Not Valid (Data Out Hold Time)
FLAG3–0IN (SPI device select) Low to First SPICLK Edge
Last SPICLK Edge to FLAG3–0IN High
Sequential Transfer Delay
t
SSPIDM
t
SDSCIM
VALID
MSB
t
t
MSB
SPICHM
SPICL M
VALID
MSB
t
HSPIDM
t
t
D DSPIDM
t
t
SSPIDM
MSB
Rev. PrC | Page 46 of 62 | January 2009
SPICLM
SPICHM
Figure 34. SPI Master Timing
t
DDSPIDM
t
HSPIDM
t
HDSPIDM
t
t
SSPIDM
HDSPIDM
t
VALID
SPI CLKM
LSB
LSB
Min
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
VALID
LSB
Preliminary Technical Data
t
HDSM
LSB
t
HSPIDM
t
SPIT DM
Max
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns