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STMicroelectronics FlexSPIN: SPI configurable stepper and DC multi motor driver evaluation board EVAL6460 EVAL6460 Hoja De Datos

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EVAL6460
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L6460 
Power saving modes
Doc ID 17713 Rev 1
47/139
   
   
   
If L6460 is not configured as slave device a current source I
OUT
 will be active on this pin, 
while the current sink I
INP
 will be disabled. If L6460 is configured as a Slave device, the 
current sink I
INP
 will be active until nAWAKE pin is detected high for the first time; after that 
both current sources I
INP
 and I
OUT
 will be disabled and the nAWAKE pin can be considered 
as a digital input.
Here below is reported the nAWAKE pin simplified schematic.
Figure 8.
nAWAKE function block diagram
 
V
3v3
 
I
OUT
 
AWAKE_req 
AWAKE  
 
SlaveMode 
nAWAKE seen high
 
for the first time after 
start up. 
I
INP