ZHCSHB4C January 2018 – December 2019 MSP430FR2512 , MSP430FR2522
PRODUCTION DATA.
请参考 PDF 数据表获取器件具体的封装图。
The 10-bit ADC module supports fast 10-bit analog-to-digital conversions with single-ended input. The module implements a 10-bit SAR core, sample select control, a reference generator, and a conversion result buffer. A window comparator with lower and upper limits allows CPU-independent result monitoring with three window comparator interrupt flags.
The ADC supports 10 external inputs and 4 internal inputs (see Table 6-13).
| ADCINCHx | ADC CHANNELS | EXTERNAL PIN |
|---|---|---|
| 0 | A0/Veref+ | P1.0 |
| 1 | A1(1) | P1.1 |
| 2 | A2/Veref- | P1.2 |
| 3 | A3 | P1.3 |
| 4 | A4 | P2.2 |
| 5 | A5 | P2.3 |
| 6 | A6 | P2.4 |
| 7 | A7 | P2.5 |
| 8 | Not used | N/A |
| 9 | Not used | N/A |
| 10 | Not used | N/A |
| 11 | Not used | N/A |
| 12 | On-chip temperature sensor | N/A |
| 13 | Reference voltage (1.5 V) | N/A |
| 14 | DVSS | N/A |
| 15 | DVCC | N/A |
The analog-to-digital conversion can be started by software or a hardware trigger. Table 6-14 lists the trigger sources that are available.
| ADCSHSx | TRIGGER SOURCE | |
|---|---|---|
| BINARY | DECIMAL | |
| 00 | 0 | ADCSC bit (software trigger) |
| 01 | 1 | RTC event |
| 10 | 2 | TA1.1B |
| 11 | 3 | Reserved |