參數(shù)資料
型號: ADSP-21369KSWZ-5A
廠商: Analog Devices Inc
文件頁數(shù): 44/64頁
文件大?。?/td> 0K
描述: IC DSP 32BIT 366MHZ 208LQFP
標(biāo)準(zhǔn)包裝: 1
系列: SHARC®
類型: 浮點
接口: DAI,DPI
時鐘速率: 366MHz
非易失內(nèi)存: ROM(768 kB)
芯片上RAM: 256kB
電壓 - 輸入/輸出: 3.30V
電壓 - 核心: 1.20V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 208-LQFP 裸露焊盤
供應(yīng)商設(shè)備封裝: 208-LQFP-EP(28x28)
包裝: 托盤
Rev. F
|
Page 49 of 64
|
October 2013
SPI Interface—Slave
Table 41. SPI Interface Protocol—Slave Switching and Timing Specifications
Parameter
Min
Max
Unit
Timing Requirements
t
SPICLKS
Serial Clock Cycle
4 × t
PCLK – 2
ns
t
SPICHS
Serial Clock High Period
2 × t
PCLK – 2
ns
t
SPICLS
Serial Clock Low Period
2 × t
PCLK – 2
ns
t
SDSCO
SPIDS Assertion to First SPICLK Edge, CPHASE = 0 or CPHASE = 1
2 × t
PCLK
ns
t
HDS
Last SPICLK Edge to SPIDS Not Asserted, CPHASE = 0
2 × t
PCLK
ns
t
SSPIDS
Data Input Valid to SPICLK Edge (Data Input Setup Time)
2
ns
t
HSPIDS
SPICLK Last Sampling Edge to Data Input Not Valid
2
ns
t
SDPPW
SPIDS Deassertion Pulse Width (CPHASE = 0)
2 × t
PCLK
ns
Switching Characteristics
t
DSOE
SPIDS Assertion to Data Out Active
0
6.8
ns
t
DSOE
1
SPIDS Assertion to Data Out Active (SPI2)
0
8
ns
t
DSDHI
SPIDS Deassertion to Data High Impedance
0
6.8
ns
t
DSDHI
1
SPIDS Deassertion to Data High Impedance (SPI2)
0
8.6
ns
t
DDSPIDS
SPICLK Edge to Data Out Valid (Data Out Delay Time)
9.5
ns
t
HDSPIDS
SPICLK Edge to Data Out Not Valid (Data Out Hold Time)
2 × t
PCLK
ns
t
DSOV
SPIDS Assertion to Data Out Valid (CPHASE = 0)
5 × t
PCLK
ns
1 The timing for these parameters applies when the SPI is routed through the signal routing unit. For more information, see the processor hardware reference, “Serial Peripheral
Interface Port” chapter.
Figure 37. SPI Slave Timing
tSPICHS
tSPICLS
tSPICLKS
tHDS
tSDPPW
tSDSCO
tDSOE
tDDSPIDS
tDSDHI
tHDSPIDS
tHSPIDS
tSSPIDS
tDSDHI
tDSOV
tHSPIDS
tHDSPIDS
SPIDS
(INPUT)
MISO
(OUTPUT)
MOSI
(INPUT)
MISO
(OUTPUT)
MOSI
(INPUT)
CPHASE = 1
CPHASE = 0
SPICLK
(CP = 0,
CP = 1)
(INPUT)
tSSPIDS
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