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WM8321GEFL/RV 参数 Datasheet PDF下载

WM8321GEFL/RV图片预览
型号: WM8321GEFL/RV
PDF下载: 下载PDF文件 查看货源
内容描述: 处理器电源管理子系统 [Processor Power Management Subsystem]
分类和应用:
文件页数/大小: 253 页 / 1578 K
品牌: WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
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WM8321  
Production Data  
Figure 2 Control Interface Timing - 4-wire (SPI) Control Mode (Write Cycle)  
Figure 3 Control Interface Timing - 4-wire (SPI) Control Mode (Read Cycle)  
Test Conditions  
TJ = -40ºC to +125 ºC unless otherwise stated.  
PARAMETER  
SYMBOL  
tCSU  
tCHO  
tSCY  
MIN  
40  
10  
200  
80  
80  
40  
10  
0
TYP  
MAX  
UNIT  
ns  
C¯¯S falling edge to SCLK1 rising edge  
SCLK1 falling edge to C¯¯S rising edge  
SCLK1 pulse cycle time  
ns  
ns  
SCLK1 pulse width low  
tSCL  
ns  
SCLK1 pulse width high  
tSCH  
tDSU  
tDHO  
tps  
ns  
SDA1 to SCLK1 set-up time  
SDA1 to SCLK1 hold time  
ns  
ns  
Pulse width of spikes that will be suppressed  
SCLK1 falling edge to SDOUT1 transition  
5
ns  
tDL  
40  
ns  
The C¯¯S pin must be held high for at least 1s after every register write operation in SPI mode.  
PD, February 2012, Rev 4.0  
28  
w
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