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L9942 Datenblatt(PDF) 29 Page - STMicroelectronics

Teilenummer L9942
Bauteilbeschribung  Integrated stepper motor driver for bipolar stepper motors with microstepping and programmable current profile
PDF  37 Pages
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Hersteller  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9942 Datenblatt(HTML) 29 Page - STMicroelectronics

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L9942
6 Logic with SPI - Electrical Characteristics
29/37
Figure 12. SPI - DO Valid Data Delay Time and Valid Time
Figure 13. DO Enable and Disable Time
0.8 VCC
0.8 VCC
0.8 VCC
0.2 VCC
0.2 VCC
0.2 VCC
CLK
DO
(low to high)
DO
(high to low)
0.5 VCC
t
r in
t
rDO
t
f DO
t
dDO
t
fin
CS N
t
f i n
r i n
t
DO
DO
e n D O tr i L
t
t
dis D O L t r i
50 %
0. 8 V C C
0. 2 V C C
50 %
50 %
e n D O tr i H
t
t
dis D O H t r i
C
= 10 0 p F
L
C
= 10 0 p F
L
pu l l - u p l o a d t o V C C
pu l l - d o w n l o ad t o G N D



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