ADSP-21261SKBC-150 Analog Devices Inc, ADSP-21261SKBC-150 Datasheet - Page 34

• Manufacturer Part Number: ADSP-21261SKBC-150
• Description: 150 MHz, 32Bit DSP Processor.
• Manufacturer: Analog Devices Inc
• Series: SHARC®r
• Type: Fixed/Floating Pointr

Specifications of ADSP-21261SKBC-150

• Interface: DAI, SPI
• Clock Rate: 150MHz
• Non-volatile Memory: ROM (384 kB)
• On-chip Ram: 128kB
• Voltage - I/o: 3.30V
• Voltage - Core: 1.20V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 136-CSPBGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

ADSP-21261
SPI Protocol—Master
Table 29. SPI Protocol—Master
SPI Protocol—Slave
See
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
Table 30
(OUTPUT)
(OUTPUT)
(OUTPUT)
(OUTPUT)
(OUTPUT)
FLAG3–0
SPICLK
(CP = 0)
SPICLK
(CP = 1)
(INPUT)
(INPUT)
and
MISO
MOSI
MOSI
MISO
Figure
t
S S P I D M
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)
FLAG3–0 OUT (SPI Device Select) Low to First SPICLK Edge
Last SPICLK Edge to FLAG3–0 OUT High
Sequential Transfer Delay
26.
t
S D S C I M
VALID
MSB
t
t
MSB
S P I C H M
S P IC LM
VALID
MSB
t
H S P ID M
t
t
D D S P I D M
t
t
S S P ID M
MSB
S P IC LM
S P I C H M
t
D D S P I D M
Rev. 0 | Page 34 of 44 | March 2006
t
Figure 25. SPI Protocol—Master
H S P I D M
t
H D S P I D M
t
t
S S P I D M
HDSPIDM
t
VALID
S P IC LK M
LSB
LSB
VALID
LSB
Min
5
2
8 × t
4 × t
4 × t
10
4 × t
4 × t
4 × t
t
H D S M
LSB
CCLK
CCLK
CCLK
CCLK
CCLK
CCLK
t
– 2
– 2
– 2
– 1
– 1
H S P I D M
t
S P I T D M
Max
3
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns