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L9942 데이터시트(PDF) 29 Page - STMicroelectronics

부품명 L9942
상세설명  Integrated stepper motor driver for bipolar stepper motors with microstepping and programmable current profile
PDF  37 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9942 데이터시트(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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