MK715R 데이터 시트보기 (PDF) - Integrated Circuit Systems
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MK715R Datasheet PDF : 22 Pages
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MK715
Rate Register (Register 2) Programming
Count P.P.S. Count
0 to 5 Not permitted 25
6
303
26
7
280
27
8
259
28
9
242
29
10
227
30
11
213
31
12
201
32
13
191
33
14
181
34
15
172
35
16
165
40
17
157
45
18
151
50
19
145
55
20
139
60
21
134
65
22
129
70
23
125
75
24
120
80
P.P.S.
117
113
109
106
103
100
98
95
93
90
88
78
71
64
59
55
51
47
45
42
Count
85
90
95
100
105
110
115
120
125
135
145
155
165
175
185
195
205
215
235
255
P.P.S.
40
38
36
34
32
31
30
29
28
26
24
22
21
20
19
18
17
16
15
14
P.P.S. = Points Per Second. With 14.7456 MHz clock selected.
Calculating Points Per Second
The formula for determining P.P.S. is:
P.P.S. =
fin
24072+(4096×COUNT)
Where fin is the frequency of the
internal clock (14.3196 MHz or
14.7456 MHz) and COUNT is
the value of the rate register.
Power-On Reset
On application of power, an internal reset is generated that clears all bits in registers 0, 2, and 3. Register 1 is set to
32 giving a rate of 92 PPS with 14.3196 MHz selected.
Initializing the MK715
The interrupt on the MK715 can only be cleared by reading any register or, alternatively, by writing PD (register 0, bit
2) to one, which forces a powerdown. After a fault condition, initialize the MK715 by writing PD to one, then writing
PD to zero. This will always clear pending interrupts.
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