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ICM-20690 参数 Datasheet PDF下载

ICM-20690图片预览
型号: ICM-20690
PDF下载: 下载PDF文件 查看货源
内容描述: [IMU (惯性测量设备)]
分类和应用:
文件页数/大小: 76 页 / 1486 K
品牌: TDK [ TDK ELECTRONICS ]
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ICM-20690  
3.6 SPI TIMING CHARACTERIZATION 3-WIRE SPI MODE  
The following section is applicable to 3-wire SPI mode for the Auxiliary Interface.  
Typical Operating Circuit of section 4.2, VDD = 1.8 V, VDDIO = 1.8 V, TA=25°C, unless otherwise noted.  
NOTES  
PARAMETERS  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
SPI TIMING  
fSPC, SCLK Clock Frequency  
tLOW, SCLK Low Period  
20  
MHz  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
1
1
1
1
1
1
1
1
1
1
2
2
30  
30  
tHIGH, SCLK High Period  
tSU.CS, CS Setup Time  
14.5  
9
tHD.CS, CS Hold Time  
tSU.SDIO, SDOI Input Setup Time  
tHD.SDIO, SDIO Input Hold Time  
tVD.SDIO, SDIO Output Valid Time  
tHD.SDIO, SDIO Output Hold Time  
tDIS.SDIO, SDIO Output Disable Time  
tFall, SCLK Fall Time  
3.5  
8.5  
Cload = 20 pF  
Cload = 20 pF  
21  
19  
41  
8
tRise, SCLK Rise Time  
8
Table 8. SPI Timing Characteristics (20-MHz Operation)  
Notes:  
1. Based on characterization of 5 parts over temperature and voltage as mounted on evaluation board or in sockets  
2. Based on other parameter values  
CS  
70%  
30%  
tFall  
tRise  
tHD;CS  
tSU;CS  
70%  
tHIGH  
1/fCLK  
SCLK  
30%  
tSU;SDIO  
tHD;SDIO  
tLOW  
70%  
30%  
I
LSB IN  
MSB IN  
tDIS;SDIO  
tVD;SDIO  
tHD;SDIO  
70%  
30%  
O
MSB OUT  
LSB OUT  
Figure 3. 3-Wire SPI Bus Timing Diagram  
Page 17 of 76  
Document Number: DS-000178  
Revision: 1.0  
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