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SX8663 датащи(PDF) 27 Page - Semtech Corporation

номер детали SX8663
подробное описание детали  Capacitive Button Matrix (up to 36) and Proximity Controller with Individual LED Drivers and Buzzer Output
PDF  64 Pages
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производитель  SEMTECH [Semtech Corporation]
домашняя страница  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SX8663 датащи(HTML) 27 Page - Semtech Corporation

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ADVANCED COMMUNICATIONS & SENSING
Rev5 4
th August 2011
© 2011 Semtech Corp.
www.semtech.com
27
SX8663
Capacitive Button Matrix (up to 36) and Proximity Controller
with Individual LED Drivers and Buzzer Output
The GPO pin fades in and fades out continuously when the associated button is touched. The fading in and out
stops when the button is released. This is shown in Figure 31.
fading-in
OFF intensity
ON intensity
fading-out
OFF intensity
ON
OFF
Figure 31
Continuous Fading Mode
3.15.3 Intensity index vs PWM pulse width
Tables below are used to convert all intensity indexes parameters GpioIntensityOff, GpioIntensityOn and
GppIntensity but also to generate fading in GPO mode
During fading in(out), the index is automatically incremented(decremented) at every Inc(Dec)Time x
Inc(Dec)Factor until it reaches the programmed GpioIntensityOn(Off) value.
Index
Lin/Log
Index
Lin/Log
Index
Lin/Log
Index
Lin/Log
Index
Lin/Log
Index
Lin/Log
Index
Lin/Log
Index
Lin/Log
0
0/0
32
33/5
64
65/12
96
97/26
128
129/48
160
161/81
192
193/125
224
225/184
1
2/0
33
34/5
65
66/13
97
98/27
129
130/49
161
162/82
193
194/127
225
226/186
2
3/0
34
35/5
66
67/13
98
99/27
130
131/50
162
163/83
194
195/129
226
227/188
3
4/0
35
36/5
67
68/13
99
100/28
131
132/51
163
164/84
195
196/130
227
228/190
4
5/0
36
37/5
68
69/14
100
101/29
132
133/52
164
165/86
196
197/132
228
229/192
5
6/2
37
38/6
69
70/14
101
102/29
133
134/53
165
166/87
197
198/133
229
230/194
6
7/2
38
39/6
70
71/14
102
103/30
134
135/54
166
167/88
198
199/135
230
231/197
7
8/2
39
40/6
71
72/15
103
104/30
135
136/55
167
168/89
199
200/137
231
232/199
8
9/2
40
41/6
72
73/15
104
105/31
136
137/55
168
169/91
200
201/139
232
233/201
9
10/2
41
42/6
73
74/15
105
106/32
137
138/56
169
170/92
201
202/140
233
234/203
10
11/2
42
43/7
74
75/16
106
107/32
138
139/57
170
171/93
202
203/142
234
235/205
11
12/2
43
44/7
75
76/16
107
108/33
139
140/58
171
172/95
203
204/144
235
236/208
12
13/2
44
45/7
76
77/16
108
109/33
140
141/59
172
173/96
204
205/146
236
237/210
13
14/2
45
46/7
77
78/17
109
110/34
141
142/60
173
174/97
205
206/147
237
238/212
14
15/3
46
47/7
78
79/17
110
111/35
142
143/61
174
175/99
206
207/149
238
239/215
15
16/3
47
48/8
79
80/18
111
112/35
143
144/62
175
176/100
207
208/151
239
240/217
16
17/3
48
49/8
80
81/18
112
113/36
144
145/63
176
177/101
208
209/153
240
241/219
17
18/3
49
50/8
81
82/19
113
114/37
145
146/64
177
178/103
209
210/155
241
242/221
18
19/3
50
51/8
82
83/19
114
115/38
146
147/65
178
179/104
210
211/156
242
243/224
19
20/3
51
52/9
83
84/20
115
116/38
147
148/66
179
180/106
211
212/158
243
244/226
20
21/3
52
53/9
84
85/20
116
117/39
148
149/67
180
181/107
212
213/160
244
245/229
21
22/3
53
54/9
85
86/21
117
118/40
149
150/68
181
182/109
213
214/162
245
246/231
22
23/3
54
55/9
86
87/21
118
119/40
150
151/69
182
183/110
214
215/164
246
247/233
23
24/4
55
56/10
87
88/22
119
120/41
151
152/71
183
184/111
215
216/166
247
248/236
24
25/4
56
57/10
88
89/22
120
121/42
152
153/72
184
185/113
216
217/168
248
249/238
25
26/4
57
58/10
89
90/23
121
122/43
153
154/73
185
186/114
217
218/170
249
250/241
26
27/4
58
59/10
90
91/23
122
123/44
154
155/74
186
187/116
218
219/172
250
251/243
27
28/4
59
60/11
91
92/24
123
124/44
155
156/75
187
188/117
219
220/174
251
252/246
28
29/4
60
61/11
92
93/24
124
125/45
156
157/76
188
189/119
220
221/176
252
253/248
29
30/4
61
62/11
93
94/25
125
126/46
157
158/77
189
190/121
221
222/178
253
254/251
30
31/4
62
63/12
94
95/25
126
127/47
158
159/78
190
191/122
222
223/180
254
255/253
31
32/5
63
64/12
95
96/26
127
128/48
159
160/80
191
192/124
223
224/182
255
256/256
Table 7 Intensity index vs. PWM pulse width (normal polarity)
Index
Lin/Log
Index
Lin/Log
Index
Lin/Log
Index
Lin/Log
Index
Lin/Log
Index
Lin/Log
Index
Lin/Log
Index
Lin/Log
0
256/256
32
224/251
64
192/244
96
160/230
128
128/208
160
96/175
192
64/131
224
32/72
1
255/256
33
223/251
65
191/243
97
159/229
129
127/207
161
95/174
193
63/129
225
31/70



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