參數(shù)資料
型號(hào): ADSP-BF548BBCZ-5A
廠(chǎng)商: ANALOG DEVICES INC
元件分類(lèi): 數(shù)字信號(hào)處理
英文描述: 533 MHz Blackfin Embedded Processor: ADSP-BF548BBCZ-5A Temp Range: –40°C to +85°C Package: 400-Ball CSP_BGA BC-400-1
中文描述: 16-BIT, 50 MHz, OTHER DSP, PBGA400
封裝: 17 X 17 MM, ROHS COMPLIANT, CSBGA-400
文件頁(yè)數(shù): 62/100頁(yè)
文件大?。?/td> 3095K
代理商: ADSP-BF548BBCZ-5A
Rev. D
|
Page 64 of 100
|
May 2011
ADSP-BF542/ADSP-BF544/ADSP-BF547/ADSP-BF548/ADSP-BF549
Serial Peripheral Interface (SPI) Port—Slave Timing
Table 45 and Figure 39 describe SPI port slave operations.
Table 45. Serial Peripheral Interface (SPI) Port—Slave Timing
Parameter
Min
Max
Unit
Timing Requirements
tSPICHS
SPIxSCK High Period
2tSCLK –1.5
ns
tSPICLS
SPIxSCK Low Period
2tSCLK –1.5
ns
tSPICLK
SPIxSCK Period
4tSCLK
ns
tHDS
Last SPIxSCK Edge to SPIxSS Not Asserted
2tSCLK –1.5
ns
tSPITDS
Sequential Transfer Delay
2tSCLK–1.5
ns
tSDSCI
SPIxSS Assertion to First SPIxSCK Edge
2tSCLK –1.5
ns
tSSPID
Data Input Valid to SPIxSCK Edge (Data Input Setup)
1.6
ns
tHSPID
SPIxSCK Sampling Edge to Data Input Invalid
1.6
ns
Switching Characteristics
tDSOE
SPIxSS Assertion to Data Out Active
0
8
ns
tDSDHI
SPIxSS Deassertion to Data High Impedance
0
8
ns
tDDSPID
SPIxSCK Edge to Data Out Valid (Data Out Delay)
10
ns
tHDSPID
SPIxSCK Edge to Data Out Invalid (Data Out Hold)
0
ns
Figure 39. Serial Peripheral Interface (SPI) Port—Slave Timing
tSPICLK
tHDS
tSPITDS
tSDSCI
tSPICLS
tSPICHS
tDSOE
tDDSPID
tDSDHI
tHDSPID
tSSPID
tDSDHI
tHDSPID
tDSOE
tHSPID
tSSPID
tDDSPID
SPIxSS
(INPUT)
SPIxSCK
(INPUT)
SPIxMISO
(OUTPUT)
SPIxMOSI
(INPUT)
SPIxMISO
(OUTPUT)
SPIxMOSI
(INPUT)
CPHA = 1
CPHA = 0
tHSPID
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ADSP-BF549BBCZ 制造商:Analog Devices 功能描述:
ADSP-BF549BBCZ-ENG 制造商:Analog Devices 功能描述:- Bulk