Datasheet

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20.2 OA Operation ............................................................................................................. 513
20.2.1 OA Amplifier .................................................................................................... 514
20.2.2 OA Input ......................................................................................................... 514
20.2.3 OA Output and Feedback Routing ........................................................................... 514
20.2.4 OA Configurations ............................................................................................. 514
20.3 OA Registers ............................................................................................................. 520
20.3.1 OAxCTL0, Opamp Control Register 0 ...................................................................... 521
20.3.2 OAxCTL1, Opamp Control Register 1 ...................................................................... 522
21 Comparator_A+ ............................................................................................................... 523
21.1 Comparator_A+ Introduction ........................................................................................... 524
21.2 Comparator_A+ Operation .............................................................................................. 525
21.2.1 Comparator ..................................................................................................... 525
21.2.2 Input Analog Switches ......................................................................................... 525
21.2.3 Input Short Switch ............................................................................................. 526
21.2.4 Output Filter .................................................................................................... 526
21.2.5 Voltage Reference Generator ................................................................................ 527
21.2.6 Comparator_A+, Port Disable Register CAPD ............................................................. 527
21.2.7 Comparator_A+ Interrupts .................................................................................... 528
21.2.8 Comparator_A+ Used to Measure Resistive Elements ................................................... 528
21.3 Comparator_A+ Registers .............................................................................................. 530
21.3.1 CACTL1, Comparator_A+ Control Register 1 .............................................................. 531
21.3.2 CACTL2, Comparator_A+, Control Register ............................................................... 532
21.3.3 CAPD, Comparator_A+, Port Disable Register ............................................................ 532
22 ADC10 ............................................................................................................................ 533
22.1 ADC10 Introduction ...................................................................................................... 534
22.2 ADC10 Operation ........................................................................................................ 536
22.2.1 10-Bit ADC Core ............................................................................................... 536
22.2.2 ADC10 Inputs and Multiplexer ............................................................................... 536
22.2.3 Voltage Reference Generator ................................................................................ 537
22.2.4 Auto Power-Down .............................................................................................. 537
22.2.5 Sample and Conversion Timing .............................................................................. 538
22.2.6 Conversion Modes ............................................................................................. 539
22.2.7 ADC10 Data Transfer Controller ............................................................................. 544
22.2.8 Using the Integrated Temperature Sensor ................................................................. 549
22.2.9 ADC10 Grounding and Noise Considerations ............................................................. 550
22.2.10 ADC10 Interrupts ............................................................................................. 551
22.3 ADC10 Registers ......................................................................................................... 552
22.3.1 ADC10CTL0, ADC10 Control Register 0 ................................................................... 553
22.3.2 ADC10CTL1, ADC10 Control Register 1 ................................................................... 555
22.3.3 ADC10AE0, Analog (Input) Enable Control Register 0 ................................................... 556
22.3.4 ADC10AE1, Analog (Input) Enable Control Register 1 (MSP430F22xx only) ......................... 556
22.3.5 ADC10MEM, Conversion-Memory Register, Binary Format ............................................. 556
22.3.6 ADC10MEM, Conversion-Memory Register, 2s Complement Format .................................. 557
22.3.7 ADC10DTC0, Data Transfer Control Register 0 ........................................................... 557
22.3.8 ADC10DTC1, Data Transfer Control Register 1 ........................................................... 557
22.3.9 ADC10SA, Start Address Register for Data Transfer ..................................................... 558
23 ADC12 ............................................................................................................................ 559
23.1 ADC12 Introduction ...................................................................................................... 560
23.2 ADC12 Operation ........................................................................................................ 562
23.2.1 12-Bit ADC Core ............................................................................................... 562
23.2.2 ADC12 Inputs and Multiplexer ............................................................................... 562
23.2.3 Voltage Reference Generator ................................................................................ 563
23.2.4 Sample and Conversion Timing .............................................................................. 563
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SLAU144J–December 2004–Revised July 2013 Contents
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