ADC 10 Uživatelský manuál stáhnout pdf (Strana 2)

ADC10 Introduction

27-2 ADC10

27.1 ADC10 Introduction

The ADC10 module supports fast, 10-bit analog-to-digital conversions. The

module implements a 10-bit SAR core, sample select control, reference

generator, and data transfer controller (DTC).

The DTC allows ADC10 samples to be converted and stored anywhere in

memory without CPU intervention. The module can be configured with user

software to support a variety of applications.

ADC10 features include:

- Greater than 200 ksps maximum conversion rate

- Monotonic10-bit converter with no missing codes

- Sample-and-hold with programmable sample periods

- Conversion initiation by software or Timer_A

- Software selectable on-chip reference voltage generation (1.5 V or 2.5 V)

- Software selectable internal or external reference

- Up to twelve external input channels

- Conversion channels for internal temperature sensor, V

, and external

references

- Selectable conversion clock source

- Single-channel, repeated single-channel, sequence, and repeated

sequence conversion modes

- ADC core and reference voltage can be powered down separately

- Data transfer controller for automatic storage of conversion results

The block diagram of ADC10 is shown in Figure 27−1.

1 2 3 4 5 6 7 ... 31 32

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ADC 10 Uživatelský manuál Strana 2