MEC1404 Datasheet, PDF (461/572 Pages) Microchip Technology – Keyboard and Embedded Controller Products for Notebook PC

MEC140X/1X
38.0 ANALOG TO DIGITAL CONVERTER
38.1 Introduction
This block is designed to convert external analog voltage readings into digital values. It consists of a single successive-
approximation Analog-Digital Converter that can be shared with up to sixteen inputs. See Products on page 3 for the
specific number of channels supported for a particular device.
Note: Transitions on ADC GPIOs are not permitted when Analog to Digital Converter readings are being taken.
38.2 References
No references have been cited for this chapter
38.3 Terminology
No terminology is defined for this chapter
38.4 Interface
This block is designed to be accessed externally via the pin interface and internally via a registered host interface.
FIGURE 38-1:
I/O DIAGRAM OF BLOCK
Host Interface
Analog to Digital Converter
Power, Clocks and Reset
Signal Description
Interrupts
38.5 Signal Description
The Signal Description Table lists the signals that are typically routed to the pin interface.
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DS00001956D-page 461