- Page 1: Features8/16-bit Atmel XMEGA A3U Mi
- Page 5 and 6: 3.1 Block DiagramFigure 3-1.XMEGA A
- Page 7 and 8: 6. AVR CPU6.1 Features• 8/16-bit,
- Page 9 and 10: 6.5 Program FlowAfter reset, the CP
- Page 11 and 12: 7.3 Flash Program MemoryThe Atmel A
- Page 13 and 14: Table 7-3.Data memory map (Hexadeci
- Page 15 and 16: Table 7-5.Number of bytes and pages
- Page 17 and 18: 9. Event System9.1 Features• Syst
- Page 19 and 20: 10. System Clock and Clock options1
- Page 21 and 22: 1kHz output. The oscillator is auto
- Page 23 and 24: 11.3.3 Power-save ModePower-save mo
- Page 25 and 26: 12.4.2 Brownout DetectionThe on-chi
- Page 27 and 28: 14. Interrupts and Programmable Mul
- Page 29 and 30: 15. I/O Ports15.1 Features• 50 ge
- Page 31 and 32: Figure 15-4. I/O configuration - To
- Page 33 and 34: 16. TC0/1 - 16-bit Timer/Counter Ty
- Page 35 and 36: 17. TC2 - Timer/Counter Type 217.1
- Page 37 and 38: 19. Hi-Res - High Resolution Extens
- Page 39 and 40: 21. USB - Universal Serial Bus Inte
- Page 41 and 42: 22. TWI - Two-Wire Interface22.1 Fe
- Page 43 and 44: 24. USART24.1 Features• Seven ide
- Page 45 and 46: 27. CRC - Cyclic Redundancy Check G
- Page 47 and 48: Figure 28-1. ADC overview.ADC0•AD
- Page 49 and 50: The DAC has high drive strength, an
- Page 51 and 52: Figure 30-1. Analog comparator over
- Page 53 and 54:
32. Pinout and Pin FunctionsThe dev
- Page 55 and 56:
32.2 Alternate Pin FunctionsThe tab
- Page 57 and 58:
Table 32-5.Port E - alternate funct
- Page 59 and 60:
Base address Name Description0x04A0
- Page 61:
Mnemonics Operands Description Oper
- Page 64 and 65:
Mnemonics Operands Description Oper
- Page 66 and 67:
35.2 64M2DMarked Pin# 1 IDECSEATING
- Page 68 and 69:
Table 36-3.Operating voltage and fr
- Page 70 and 71:
Table 36-5.Current consumption for
- Page 72:
36.1.5 I/O Pin CharacteristicsThe I
- Page 78 and 79:
36.1.11 External Reset Characterist
- Page 80 and 81:
36.1.14.3 Calibrated and tunable 32
- Page 82 and 83:
Table 36-28. External clock with pr
- Page 84 and 85:
36.1.14.8 External 32.768kHz crysta
- Page 86 and 87:
Table 36-31. SPI timing characteris
- Page 88 and 89:
Symbol Parameter Condition Min. Typ
- Page 90 and 91:
Figure 36-8. Maximum Frequency vs.
- Page 92 and 93:
Table 36-37. Current consumption fo
- Page 94 and 95:
36.2.5 I/O Pin CharacteristicsThe I
- Page 96 and 97:
Table 36-42. Accuracy characteristi
- Page 98 and 99:
Table 36-46. Accuracy characteristi
- Page 100 and 101:
36.2.11 External Reset Characterist
- Page 102 and 103:
36.2.14.3 Calibrated and tunable 32
- Page 104 and 105:
Table 36-60. External clock with pr
- Page 106 and 107:
36.2.14.8 External 32.768kHz crysta
- Page 108 and 109:
Table 36-63. SPI timing characteris
- Page 110 and 111:
Symbol Parameter Condition Min. Typ
- Page 112 and 113:
Figure 36-15.Maximum Frequency vs.
- Page 114 and 115:
Table 36-69. Current consumption fo
- Page 116 and 117:
36.3.5 I/O Pin CharacteristicsThe I
- Page 118 and 119:
Table 36-74. Accuracy characteristi
- Page 120 and 121:
Table 36-78. Accuracy characteristi
- Page 122 and 123:
36.3.11 External Reset Characterist
- Page 124 and 125:
36.3.14.3 Calibrated and tunable 32
- Page 126 and 127:
Table 36-92. External clock with pr
- Page 128 and 129:
36.3.14.8 External 32.768kHz crysta
- Page 130 and 131:
Table 36-95. SPI timing characteris
- Page 132 and 133:
Symbol Parameter Condition Min. Typ
- Page 134 and 135:
Figure 36-22.Maximum Frequency vs.
- Page 136 and 137:
Table 36-101.Current consumption fo
- Page 138 and 139:
36.4.5 I/O Pin CharacteristicsThe I
- Page 140 and 141:
Table 36-106.Accuracy characteristi
- Page 142 and 143:
Table 36-110.Accuracy characteristi
- Page 144 and 145:
36.4.11 External Reset Characterist
- Page 146 and 147:
36.4.14.3 Calibrated and tunable 32
- Page 148 and 149:
Table 36-124.External clock with pr
- Page 150 and 151:
36.4.14.8 External 32.768kHz crysta
- Page 152 and 153:
Table 36-127.SPI timing characteris
- Page 154 and 155:
Symbol Parameter Condition Min. Typ
- Page 156 and 157:
Figure 37-3. Active mode supply cur
- Page 158 and 159:
Figure 37-7. Active mode supply cur
- Page 160 and 161:
Figure 37-11. Idle mode supply curr
- Page 162 and 163:
37.1.1.3 Power-down mode supply cur
- Page 164 and 165:
Figure 37-19. Standby supply curren
- Page 166 and 167:
37.1.2.2 Output Voltage vs. Sink/So
- Page 168 and 169:
Figure 37-27. I/O pin output voltag
- Page 170 and 171:
37.1.2.3 Thresholds and HysteresisF
- Page 172 and 173:
37.1.3 ADC CharacteristicsFigure 37
- Page 174 and 175:
Figure 37-39. DNL error vs. sample
- Page 176 and 177:
Figure 37-43. Offset error vs. V RE
- Page 178 and 179:
Figure 37-47. Noise vs. V CC .T = 2
- Page 180 and 181:
37.1.5 Analog Comparator Characteri
- Page 182 and 183:
Figure 37-55. Analog comparator cur
- Page 184 and 185:
37.1.7 BOD CharacteristicsFigure 37
- Page 186 and 187:
Figure 37-63. Reset pin pull-up res
- Page 188 and 189:
37.1.9 Power-on Reset Characteristi
- Page 190 and 191:
Figure 37-70. 32.768kHz internal os
- Page 192 and 193:
37.1.10.4 32MHz Internal Oscillator
- Page 194 and 195:
37.1.10.5 32MHz internal oscillator
- Page 196 and 197:
Figure 37-82. SDA hold time vs. sup
- Page 198 and 199:
Figure 37-86. Active mode supply cu
- Page 200 and 201:
Figure 37-90. Active mode supply cu
- Page 202 and 203:
Figure 37-94. Idle mode supply curr
- Page 204 and 205:
37.2.1.3 Power-down mode supply cur
- Page 206 and 207:
Figure 37-102. Standby supply curre
- Page 208 and 209:
37.2.2.2 Output Voltage vs. Sink/So
- Page 210 and 211:
Figure 37-110. I/O pin output volta
- Page 212 and 213:
37.2.2.3 Thresholds and HysteresisF
- Page 214 and 215:
37.2.3 ADC CharacteristicsFigure 37
- Page 216 and 217:
Figure 37-122. DNL error vs. sample
- Page 218 and 219:
Figure 37-126. Offset error vs. V R
- Page 220 and 221:
Figure 37-130. Noise vs. V CC .T =
- Page 222 and 223:
37.2.5 Analog Comparator Characteri
- Page 224 and 225:
Figure 37-138. Analog comparator cu
- Page 226 and 227:
37.2.7 BOD CharacteristicsFigure 37
- Page 228 and 229:
Figure 37-146. Reset pin pull-up re
- Page 230 and 231:
37.2.9 Power-on Reset Characteristi
- Page 232 and 233:
Figure 37-153. 32.768kHz internal o
- Page 234 and 235:
37.2.10.4 32MHz Internal Oscillator
- Page 236 and 237:
37.2.10.5 32MHz internal oscillator
- Page 238 and 239:
Figure 37-165. SDA hold time vs. su
- Page 240 and 241:
Figure 37-169. Active mode supply c
- Page 242 and 243:
Figure 37-173. Active mode supply c
- Page 244 and 245:
Figure 37-177. Idle mode supply cur
- Page 246 and 247:
37.3.1.3 Power-down mode supply cur
- Page 248 and 249:
Figure 37-185. Standby supply curre
- Page 250 and 251:
37.3.2.2 Output Voltage vs. Sink/So
- Page 252 and 253:
Figure 37-193. I/O pin output volta
- Page 254 and 255:
37.3.2.3 Thresholds and HysteresisF
- Page 256 and 257:
37.3.3 ADC CharacteristicsFigure 37
- Page 258 and 259:
Figure 37-205. DNL error vs. sample
- Page 260 and 261:
Figure 37-209. Offset error vs. V R
- Page 262 and 263:
Figure 37-213. Noise vs. V CC .T =
- Page 264 and 265:
37.3.5 Analog Comparator Characteri
- Page 266 and 267:
Figure 37-221. Analog comparator cu
- Page 268 and 269:
37.3.7 BOD CharacteristicsFigure 37
- Page 270 and 271:
Figure 37-229. Reset pin pull-up re
- Page 272 and 273:
37.3.9 Power-on Reset Characteristi
- Page 274 and 275:
Figure 37-236. 32.768kHz internal o
- Page 276 and 277:
37.3.10.4 32MHz Internal Oscillator
- Page 278 and 279:
37.3.10.5 32MHz internal oscillator
- Page 280 and 281:
Figure 37-248. SDA hold time vs. su
- Page 282 and 283:
Figure 37-252. Active mode supply c
- Page 284 and 285:
Figure 37-256. Active mode supply c
- Page 286 and 287:
Figure 37-260. Idle mode supply cur
- Page 288 and 289:
37.4.1.3 Power-down mode supply cur
- Page 290 and 291:
Figure 37-268. Standby supply curre
- Page 292 and 293:
37.4.2.2 Output Voltage vs. Sink/So
- Page 294 and 295:
Figure 37-276. I/O pin output volta
- Page 296 and 297:
37.4.2.3 Thresholds and HysteresisF
- Page 298 and 299:
37.4.3 ADC CharacteristicsFigure 37
- Page 300 and 301:
Figure 37-288. DNL error vs. sample
- Page 302 and 303:
Figure 37-292. Offset error vs. V R
- Page 304 and 305:
Figure 37-296. Noise vs. V CC .T =
- Page 306 and 307:
37.4.5 Analog Comparator Characteri
- Page 308 and 309:
Figure 37-304. Analog comparator cu
- Page 310 and 311:
37.4.7 BOD CharacteristicsFigure 37
- Page 312 and 313:
Figure 37-312. Reset pin pull-up re
- Page 314 and 315:
37.4.9 Power-on Reset Characteristi
- Page 316 and 317:
Figure 37-319. 32.768kHz internal o
- Page 318 and 319:
37.4.10.4 32MHz Internal Oscillator
- Page 320 and 321:
37.4.10.5 32MHz internal oscillator
- Page 322 and 323:
Figure 37-331. SDA hold time vs. su
- Page 324 and 325:
39. Datasheet Revision HistoryPleas
- Page 326 and 327:
Table of ContentsFeatures . . . . .
- Page 328 and 329:
22.2 Overview . . . . . . . . . . .
- Page 331:
Atmel Corporation1600 Technology Dr