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33970 Datasheet(PDF) 23 Page - Freescale Semiconductor, Inc

Part # 33970
Description  Dual Gauge Driver Integrated Circuit with Improved Damping Algorithms
PDF  36 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

33970 Datasheet(HTML) 23 Page - Freescale Semiconductor, Inc

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Analog Integrated Circuit Device Data
Freescale Semiconductor
23
33970
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
Figure 9. Clockwise Microsteps
Table 20. Coil Step Value
Step
Angle
SINE Angle*
SINE Current
Flow
8-Bit Value
(DEC)
8-Bit Value
(HEX)
COS Angle
*
COS Current
Flow
8-Bit Value
(DEC)
8-Bit Value
(HEX)
0
0
0
+
0
0
1
+
255
FF
1
15
0.259
+
66
42
0.965
+
247
F7
2
30
0.5
+
128
80
0.866
+
222
DE
3
45
0.707
+
181
B5
0.707
+
181
B5
4
60
0.866
+
222
DE
0.5
+
128
80
5
75
0.966
+
247
F7
0.259
+
66
42
6
90
1
+
255
FF
0
+
0
0
7
105
0.966
+
247
F7
-0.259
-
66
42
8
120
0.866
+
222
DE
-0.5
-
128
80
9
135
0.707
+
181
B5
-0.707
-
181
B5
10
150
0.5
+
128
80
-0.866
-
222
DE
11
165
0.259
+
66
42
-0.966
-
247
F7
12
180
0
+
0
0
-1
-
255
FF
13
195
-0.259
-
66
42
-0.966
-
247
F7
14
210
-0.5
-
128
80
-0.867
-
222
DE
15
225
-0.707
-
181
B5
-0.707
-
181
B5
16
240
-0.866
-
222
DE
-0.5
-
128
80
17
255
-0.966
-
247
F7
-0.259
-
66
42
18
270
-1
-
255
FF
0
+
0
0
19
285
-0.966
-
247
F7
0.259
+
66
42
20
300
-0.866
-
222
DE
0.5
+
128
80
21
315
-0.707
-
181
B5
0.707
+
181
B5
22
330
-0.5
-
128
80
0.866
+
222
DE
23
345
-0.259
-
66
42
0.966
+
247
F7
IMAX
8
12
3
4
5
6
7
0
9
10 11 12 13 14 15 16 17 18 19 20 21 22 23
IMAX
IMAX
IMAX
ICOIL
ICOIL
+
0
8
12
3
4
5
6
7
0
9
10 11 12 13 14 15 16 17 18 19 20 21 22 23
+
0



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