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L9942 Scheda tecnica(PDF) 29 Page - STMicroelectronics

Il numero della parte L9942
Spiegazioni elettronici  Integrated stepper motor driver for bipolar stepper motors with microstepping and programmable current profile
PDF  37 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9942 Scheda tecnica(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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