ADSP-21469KBCZ-3 Analog Devices Inc, ADSP-21469KBCZ-3 Datasheet - Page 52

• Manufacturer Part Number: ADSP-21469KBCZ-3
• Description: 400MHz SHARC Processor W/5 Mbits Ram
• Manufacturer: Analog Devices Inc
• Series: SHARC®r
• Type: Floating Pointr

Specifications of ADSP-21469KBCZ-3

• Interface: DAI, DPI, EBI/EMI, I²C, SCI, SPI, SSP, UART/USART
• Clock Rate: 400MHz
• Non-volatile Memory: External
• On-chip Ram: 5Mb
• Voltage - I/o: 3.30V
• Voltage - Core: 1.05V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 324-BGA, 324-CSP
• Package: 324CSP-BGA
• Numeric And Arithmetic Format: Floating-Point
• Maximum Speed: 400 MHz
• Ram Size: 640 KB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ADSP-21469
SPI Interface—Master
The ADSP-21469 contains two SPI ports. Both primary and sec-
ondary are available through DPI only. The timing provided in
Table 50
Table 50. 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
(OUTPUT)
(OUTPUT)
(OUTPUT)
(OUTPUT)
and
(CP = 0,
SPICLK
(INPUT)
(INPUT)
CP = 1)
MOSI
MISO
MOSI
MISO
DPI
Table 51
t
SSPIDM
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)
DPI Pin (SPI Device Select) Low to First SPICLK Edge
Last SPICLK Edge to DPI Pin (SPI Device Select) High
Sequential Transfer Delay
applies to both.
t
SDSCIM
t
HSPIDM
t
SPICHM
t
SSPIDM
t
SPICLM
t
DDSPIDM
t
HSPIDM
t
DDSPIDM
Rev. 0 | Page 52 of 72 | June 2010
Figure 38. SPI Master Timing
t
HDSPIDM
t
SPICLKM
t
HDSPIDM
t
Min
8.2
2
8 × t
4 × t
4 × t
4 × t
4 × t
4 × t
4 × t
SSPIDM
t
HDSM
PCLK
PCLK
PCLK
PCLK
PCLK
PCLK
PCLK
t
HSPIDM
– 2
– 2
– 2
– 2
– 2
– 2
– 1
t
SPITDM
Max
2.5
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns