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MC9S12XDP512 Data Sheet, Rev. 2.21
Freescale Semiconductor
125
Chapter 4
Analog-to-Digital Converter (ATD10B16CV4)
Block Description
4.1
Introduction
The ATD10B16C is a 16-channel, 10-bit, multiplexed input successive approximation analog-to-digital
converter. Refer to the Electrical Specications chapter for ATD accuracy.
4.1.1
Features
8-/10-bit resolution
7
s, 10-bit single conversion time
Sample buffer amplier
Programmable sample time
Left/right justied, signed/unsigned result data
External trigger control
Conversion completion interrupt generation
Analog input multiplexer for 16 analog input channels
Analog/digital input pin multiplexing
1 to 16 conversion sequence lengths
Continuous conversion mode
Multiple channel scans
Congurable external trigger functionality on any AD channel or any of four additional trigger
inputs. The four additional trigger inputs can be chip external or internal. Refer to device
specication for availability and connectivity
Congurable location for channel wrap around (when converting multiple channels in a sequence)
4.1.2
Modes of Operation
There is software programmable selection between performing single or continuous conversion on a
single channel or multiple channels.
4.1.3
Block Diagram
Refer to
Figure 4-1 for a block diagram of the ATD0B16C block.