MC33991DW FREESCALE [Freescale Semiconductor, Inc], MC33991DW Datasheet - Page 20

• Manufacturer Part Number: MC33991DW
• Description: Gauge Driver Integrated Circuit
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

20
Table 16. Coil Step Value
33991
TIMING DESCRIPTIONS AND DIAGRAMS
DEVICE FUNCTIONAL DESCRIPTION
STEP#
10
11
12
13
14
15
16
17
18
19
0
1
2
3
4
5
6
7
8
9
ANGLE
105
120
135
150
165
180
195
210
225
240
255
270
285
15
30
45
60
75
90
0
I
I
coil
coil
SINE Angle*
-0.259
-0.707
-0.866
-0.966
-0.966
0.259
0.707
0.866
0.966
0.966
0.866
0.707
0.259
-0.5
0.5
0.5
-1
0
1
0
I
I
I
I
max
max
max
max
+
+
_
_
0
0
0
0
SINE Current
1
1
Flow
2
2
+
+
+
+
+
+
+
+
+
+
+
+
+
-
-
-
-
-
-
-
3
3
4
4
5
8-Bit Value
5
(DEC)
Figure 7. Microstepping
6
6
128
181
222
247
255
247
222
181
128
128
181
222
247
255
247
66
66
66
0
0
7
7
8
8
8-Bit Value
9
9
(HEX)
10
10
DE
DE
DE
B5
F7
FF
F7
B5
B5
F7
FF
F7
42
80
80
42
42
80
0
0
11 12
11
12 13 14
COS Angle*
13
Sine
-0.259
-0.707
-0.866
-0.966
-0.966
-0.867
-0.707
-0.259
Cosine
0.965
0.866
0.707
0.259
0.259
14
-0.5
-0.5
0.5
-1
1
0
0
15
15
16
16
17
17
COS Current
Analog Integrated Circuit Device Data
18
18
Flow
+
+
+
+
+
+
+
+
+
-
-
-
-
-
-
-
-
-
-
-
19
19
20
20
21
21
Freescale Semiconductor
8-Bit Value
22
22
(DEC)
255
247
222
181
128
128
181
222
247
255
247
222
181
128
23
23
66
66
66
66
0
0
8-Bit Value
(HEX)
DE
DE
DE
FF
B5
B5
FF
B5
F7
80
42
42
80
F7
F7
80
42
42
0
0