Pni RM3000 Sensor Suites Bedienungsanleitung Seite 28

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PNI Sensor Corporation Doc #1015673 r08
RM3000 & RM2000 Sensor Suite User Manual July 2012 Page 28 of 41
Table 4-2: SPI Timing Specifications
Symbol
Description
Min
Max
Units
t
SC
Time from SSN to CLEAR
10
ns
t
CMIN
CLEAR duration
100
ns
t
SSDV
Time from SSN to Command Byte on MOSI
1
us
t
DBSH
Time to setup data before active edge
50
ns
t
DASH
Time to setup data after active edge
50
ns
t
SHDZ
Time from SSN to data tri-state time
100
ns
4.5 Idle Mode
The 3D MagIC incorporates an Idle Mode to reduce power consumption, in which the circuit
automatically idles when it is not exchanging data or taking a measurement. The 3D MagIC
starts in the Idle Mode at power-up and remains in Idle Mode until a measurement is needed.
Note: The 3D MagIC starts in Idle Mode when powered on. This is different from the legacy 11096
ASIC, which required cycling through one measurement request operation to put it into Idle Mode.
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