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| AMIS-30543 Datasheet, PDF (2/38 Pages) ON Semiconductor – Micro-Stepping Motor Driver | |||
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CLK
CS
DI
DO
NXT
DIR
SLA
POR/WD
CLR
ERR
AMISâ30543
BLOCK DIAGRAM
VDD CPN CPP VCP VBB
Timebase
Vreg
Chargepump
POR
EMC
P
SPI
T
OTP
R
W
M
A
N
Iâsense
S
L
Logic &
Registers
Load
Angle
A
T
EMC
O
P
R
W
M
Tem. p
Sense
Iâsense
Bandâ
gap
AMISâ30543
TST0
GND
Figure 1. Block Diagram AMISâ30543
MOTXP
MOTXN
MOTYP
MOTYN
GND 1
DI 2
CLK 3
NXT 4
DIR 5
ERR 6
SLA 7
8
32 31 30 29 28 27 26 25
AMISâ30543
24 GND
23 GND
22 MOTXN
21 MOTXN
20 MOTYN
19 MOTYN
18 GND
17 GND
9 10 11 12 13 14 15 16
Figure 2. Pin Out AMISâ30543
http://onsemi.com
2
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