ADNS-3050 Avago Technologies US Inc., ADNS-3050 Datasheet - Page 21

• Manufacturer Part Number: ADNS-3050
• Description: Optical Sensors - Board Mount Optical Nav Sensor
• Manufacturer: Avago Technologies US Inc.

Specifications of ADNS-3050

• Lead Free Status / Rohs Status: Details

PIX_GRAB
Access: Read/Write
Data Type: Eight bit word.
USAGE:
NOTE:
21
Any write operation into this register will reset the grabber to origin (pixel 0 position). The sensor should not
be moved before the 361 read operations are completed to ensure original data is grabbed to produce good
(uncorrupted) image.
19 x 19 Pixel Array Address Map – (Surface reference view from top of mouse)
7
6:0
Bit(s)
Last
342 323 304 285 266 247 228 209 190 171 152 133 114
343 324 305 286 267 248 229 210 191 172 153 134 115
344 325 306 287 268 249 230 211 192 173 154 135 116
345 326 307 288 269 250 231 212 193 174 155 136 117
346 327 308 289 270 251 232 213 194 175 156 137 118
347 328 309 290 271 252 233 214 195 176 157 138 119 100 81 62 43 24
348 329 310 291 272 253 234 215 196 177 158 139 120 101 82 63 44 25
349 330 311 292 273 254 235 216 197 178 159 140 121 102 83 64 45 26
350 331 312 293 274 255 236 217 198 179 160 141 122 103 84 65 46 27
351 332 313 294 275 256 237 218 199 180 161 142 123 104 85 66 47 28
352 333 314 295 276 257 238 219 200 181 162 143 124 105 86 67 48 29 10
353 334 315 296 277 258 239 220 201 182 163 144 125 106 87 68 49 30 11
354 335 316 297 278 259 240 221 202 183 164 145 126 107 88 69 50 31 12
355 336 317 298 279 260 241 222 203 184 165 146 127 108 89 70 51 32 13
356 337 318 299 280 261 242 223 204 185 166 147 128 109 90 71 52 33 14
357 338 319 300 281 262 243 224 205 186 167 148 129 110 91 72 53 34 15
358 339 320 301 282 263 244 225 206 187 168 149 130 111 92 73 54 35 16
359 340 321 302 283 264 245 226 207 188 169 150 131 112 93 74 55 36 17
360 341 322 303 284 265 246 227 208 189 170 151 132 113 94 75 56 37 18
Field PG_VALID
The pixel grabber captures 1 pixel per frame. Bit-7 (MSB) of this register will be set to indicate that the 7-bit
pixel data (PG[6:0]) is valid for grabbing. In a 19x19 pixel array, it will take 361 read operations to grab all the
pixels to form the complete image.
Bit 7
PG_VALID
PG[6:0]
Field Name
Address: 0x0b
Reset Value: 0x00
6
PG6
Pixel Grabber Valid
Pixel Data
Description
5
PG5
4
PG4
95 76 57 38 19
96 77 58 39 20
97 78 59 40 21
98 79 60 41 22
99 80 61 42 23
3
PG3
2
PG2
0 First
1
2
3
4
5
6
7
8
9
Button
5 SCLK
6 GND
7 VDD
8 MOSI
Top X-ray View of Mouse
Left
1
PG1
LED
0
PG0
Button
Right
+ve X
4 NCS
3 MOTION
2 LED
1 MISO
Pin
+ve
Y