mc33976 Freescale Semiconductor, Inc, mc33976 Datasheet - Page 26

• Manufacturer Part Number: mc33976
• Description: Dual Gauge Driver With Configurable Response Time
• Manufacturer: Freescale Semiconductor, Inc

Table 29. Coil Step Value
26
33976
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
Step
0
1
2
3
4
5
Angle
15
30
45
60
75
0
-
(Angle)*
0.259
0.707
0.866
0.966
SINE
0.5
0
I
I
COS (Angle)*
I
I
I
I
COIL
COIL
COIL
COIL
coil
coil
PE6 = 0
0.965
0.866
0.707
0.259
0.5
I
I
I
I
1
I
I
MAX
MAX
I
I
I
I
MAX
MAX
MAX
MAX
MAX
MAX
MAX
MAX
I
I
I
I
max
max
max
max
+
+
_
+
_
+
0
+
0
+
-
-
-
0
-
0
0
0
0
0
1
1
COS (Angle -
FIGURE 6b. CW MICROSTEPS for PE6=1
Figure 9. Clockwise Microsteps
2
2
Clockwise Microsteps for PE6 = 0
Clockwise Microsteps for PE6 = 1
PE6 = 1
0.866
0.966
0.966
0.866
0.707
3
3
30)*
1
4
4
5
5
6
6
7
7
8
8
9
9
Table 29. Coil Step Value
10
10 11 12 13 14
10
11
12
13
11 12 13
6
7
8
9
COS
SINx
SINx
COS
COSx
SIN
14 15
105
120
135
150
165
180
195
90
15
x
x
x
16
16 17 18
17
-0.259
18
0.966
0.866
0.707
0.259
0.5
Analog Integrated Circuit Device Data
1
0
19
19
20
20
21
21
22
22
23
23
-0.259
-0.707
-0.866
-0.966
-0.966
Freescale Semiconductor
-0.5
-1
0
-0.259
-0.500
-0.707
-0.866
-0.966
0.500
0.259
0