ADC hardware description

AN3023

6/23

Doc ID 16113 Rev 1

The ADC conversion time takes 14 clock cycles. In addition to the basic conversion modes,

some packages have extended features for scan mode and buffered continuous mode.

Figure 4 summarizes all the possible analog-to-digital converter operating modes.

Figure 4.

ADC operating modes

Start

Stop

Channel 1 conversion

Multiple channels

Scan conversion (buffered)

Start

Channel X conversion

Single channel

Continuous conversion

Start

Channel X conversion

Single channel

Continuous and

Buffered conversion

...

Channel n conversion

Start

Stop

Channel X conversion

Single channel

Single conversion

Channel X conversion

Channel X conversion

Channel X conversion

Start

Channel 1 conversion

Multiple channel

Continuous and

Scan conversion (buffered)

...

Channel n conversion