ATxmega128A3U-MHR - E-LAB Computers

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15.3.1 Push-pullFigure 15-1. I/O configuration - Totem-pole.DIRnOUTnPnINn15.3.2 Pull-downFigure 15-2. I/O configuration - Totem-pole with pull-down (on input).DIRnOUTnPnINn15.3.3 Pull-upFigure 15-3. I/O configuration - Totem-pole with pull-up (on input).DIRnOUTnPnINn15.3.4 Bus-keeperThe bus-keeper’s weak output produces the same logical level as the last output level. It acts as a pull-up if the last levelwas ‘1’, and pull-down if the last level was ‘0’.XMEGA A3U [DATASHEET]8386C–AVR–02/201330
Figure 15-4. I/O configuration - Totem-pole with bus-keeper.DIRnOUTnPnINn15.3.5 OthersFigure 15-5. Output configuration - Wired-OR with optional pull-down.OUTnPnINnFigure 15-6. I/O configuration - Wired-AND with optional pull-up.INnPnOUTnXMEGA A3U [DATASHEET]8386C–AVR–02/201331
Page 1 and 2: Features8/16-bit Atmel XMEGA A3U Mi
Page 4 and 5: 3. OverviewThe Atmel AVR XMEGA is a
Page 6 and 7: 4. ResourcesA comprehensive set of
Page 8 and 9: The arithmetic logic unit (ALU) sup
Page 10 and 11: Six of the 32 registers can be used
Page 12 and 13: 7.3.4 Production Signature RowThe p
Page 14 and 15: 7.8 Data Memory and Bus Arbitration
Page 16 and 17: 8. DMAC - Direct Memory Access Cont
Page 18 and 19: Figure 9-1.Event system overview an
Page 20 and 21: Figure 10-1. The clock system, cloc
Page 22 and 23: 11. Power Management and Sleep Mode
Page 24 and 25: 12. System Control and Reset12.1 Fe
Page 26 and 27: 13. WDT - Watchdog Timer13.1 Featur
Page 28 and 29: Program address(base address) Sourc
Page 32 and 33: 15.4 Input sensingInput sensing is
Page 34 and 35: Only Timer/Counter 0 has the split
Page 36 and 37: 18. AWeX - Advanced Waveform Extens
Page 38 and 39: 20. RTC - 16-bit Real-Time Counter2
Page 40 and 41: Multipacket transfer enables a data
Page 42 and 43: 23. SPI - Serial Peripheral Interfa
Page 44 and 45: 25. IRCOM - IR Communication Module
Page 46 and 47: 28. ADC - 12-bit Analog to Digital
Page 48 and 49: 29. DAC - 12-bit Digital to Analog
Page 50 and 51: 30. AC - Analog Comparator30.1 Feat
Page 52 and 53: 31. Programming and Debugging31.1 F
Page 54 and 55: TXDnSSMOSIMISOSCKTransmitter Data f
Page 56 and 57: Table 32-3.Port C - alternate funct
Page 58 and 59: 33. Peripheral Module Address MapTh
Page 60 and 61: 34. Instruction Set SummaryMnemonic
Page 63 and 64: Mnemonics Operands Description Oper
Page 65 and 66: 35. Packaging information35.1 64API
Page 67 and 68: 36. Electrical CharacteristicsAll t
Page 69 and 70: 36.1.3 Current consumptionTable 36-
Page 71 and 72: 36.1.4 Wake-up time from sleep mode
Page 77 and 78: Symbol Parameter Condition Min. Typ
Page 79 and 80: Table 36-21. Programming time.Symbo
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t CRV IH1V IL1t CLt CK36.1.14.6 Ext
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Symbol Parameter Condition Min. Typ
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36.1.15 SPI CharacteristicsFigure 3
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36.1.16 Two-Wire Interface Characte
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36.2 ATxmega128A3U36.2.1 Absolute M
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36.2.3 Current consumptionTable 36-
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36.2.4 Wake-up time from sleep mode
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36.2.6 ADC characteristicsTable 36-
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Table 36-53. Programming time.Symbo
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Table 36-85. Programming time.Symbo
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Table 36-117.Programming time.Symbo
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37. Typical Characteristics37.1 ATx
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Figure 37-5. Active mode supply cur
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Figure 37-9. Idle mode supply curre
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Figure 37-13. Idle mode supply curr
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37.1.1.4 Power-save mode supply cur
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Figure 37-21. I/O pin pull-up resis
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Figure 37-25. I/O pin output voltag
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Figure 37-29. I/O pin output voltag
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Figure 37-33. I/O pin input thresho
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Figure 37-37. INL error vs. input c
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Figure 37-41. Gain error vs. V REF
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Figure 37-45. Offset error vs. V CC
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Figure 37-49. DNL error vs. V REF .
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Figure 37-53. Analog comparator hys
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Figure 37-57. Voltage scaler INL vs
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37.1.8 External Reset Characteristi
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Figure 37-65. Reset pin input thres
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37.1.10 Oscillator Characteristics3
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Figure 37-72. 2MHz internal oscilla
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Figure 37-76. 32MHz internal oscill
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37.2 ATxmega128A3U37.2.1 Current co
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Figure 37-88. Active mode supply cu
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Figure 37-104. I/O pin pull-up resi
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Figure 37-108. I/O pin output volta
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Figure 37-116. I/O pin input thresh
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Figure 37-120. INL error vs. input
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Figure 37-128. Offset error vs. V C
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Figure 37-132. DNL error vs. V REF
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Figure 37-136. Analog comparator hy
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Figure 37-140. Voltage scaler INL v
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Figure 37-148. Reset pin input thre
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Figure 37-159. 32MHz internal oscil
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Figure 37-171. Active mode supply c
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Figure 37-175. Idle mode supply cur
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Figure 37-254. Active mode supply c
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38. Errata38.1 ATxmega64A3U, ATxmeg
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39.3 8386A - 07/20111. Initial revi
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11. Power Management and Sleep Mode
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36.4 ATxmega256A3U . . . . . . . .
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