參數(shù)資料
型號(hào): MC33976
廠商: 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述: Dual Gauge Driver with Configurable Response Time(帶可設(shè)置響應(yīng)時(shí)間的雙標(biāo)尺驅(qū)動(dòng)器)
中文描述: 雙計(jì)驅(qū)動(dòng)器,可配置的響應(yīng)時(shí)間(帶可設(shè)置響應(yīng)時(shí)間的雙標(biāo)尺驅(qū)動(dòng)器)
文件頁(yè)數(shù): 27/40頁(yè)
文件大?。?/td> 5332K
代理商: MC33976
Analog Integrated Circuit Device Data
Freescale Semiconductor
27
33976
FUNCTIONAL DEVICE OPERATION
STATE MACHINE
1. While the motor is stopped, wait until a command is
received.
2. Send index pulses to the motor at an ever-increasing
rate, according to the time steps in
Table 30
until:
a. The maximum velocity is reached, at which point
the time intervals stop decreasing, or
b. The distance remaining to travel is less than the
current index in the table. At this point, the stopping
distance is equal to the remaining distance, and to
ensure it will stop at the required position, the motor
must begin decelerating.
An example of the velocity table for a particular motor is
provided in
Table 30
. This motor’s maximum speed is
4800 microsteps/s (at 12 microsteps/degrees), and its
maximum acceleration is 54000 microsteps/s
2
. The table is
quantized to a 1.0 MHz clock.
Table 30. Velocity Table
Velocity
Position
Time
Between
Steps (
μ
s)
Velocity
(
μ
Steps/s)
Velocity
Position
Time
Between
Steps (
μ
s)
Velocity
(
μ
Steps/s)
Velocity
Position
Time
Between
Steps (
μ
s)
Velocity
(
μ
Steps/s)
0
0
0.00
76
380
2631.6
152
257
3891.1
1
27217
36.7
77
377
2652.5
153
256
3906.3
2
13607
73.5
78
374
2673.8
154
255
3921.6
3
11271
88.7
79
372
2688.2
155
254
3937.0
4
7970
125.5
80
369
2710.0
156
254
3937.0
5
5858
170.7
81
366
2732.2
157
253
3952.6
6
4564
219.1
82
364
2747.3
158
252
3968.3
7
3720
268.8
83
361
2770.1
159
251
3984.1
8
3132
319.3
84
358
2793.3
160
250
4000.0
9
2701
370.2
85
356
2809.0
161
249
4016.1
10
2373
421.4
86
354
2824.9
162
248
4032.3
11
2115
472.8
87
351
2849.0
163
248
4032.3
12
1908
524.1
88
349
2865.3
164
247
4048.6
13
1737
575.7
89
347
2881.8
165
246
4065.0
14
1594
627.4
90
344
2907.0
166
245
4081.6
15
1473
678.9
91
342
2924.0
167
244
4098.4
16
1369
730.5
92
340
2941.2
168
244
4098.4
17
1278
782.5
93
338
2958.6
169
243
4115.2
18
1199
834.0
94
336
2976.2
170
242
4132.2
19
1129
885.7
95
334
2994.0
171
241
4149.4
20
1066
938.1
96
332
3012.0
172
241
4149.4
21
1010
990.1
97
330
3030.3
173
240
4166.7
22
960
1041.7
98
328
3048.8
174
239
4184.1
23
916
1091.7
99
326
3067.5
175
238
4201.7
24
877
1140.3
100
324
3086.4
176
238
4201.7
25
842
1187.6
101
322
3105.6
177
237
4219.4
26
812
1231.5
102
321
3115.3
178
236
4237.3
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