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PIC32CM16/32 GV00 Family Data Sheet
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28
AC – Analog Comparators
28.6
Functional Description
28.6.2
Basic Operation
Low-Power, 32-bit Cortex-M0+ MCUs with 12-bit ADC, 256-Channel PTC, RTC, and SERCOM
1
Configuration Summary
2
Ordering Information
(1)
3
Block Diagram
4
Pinout and Packaging
5
Signal Description
6
Power Supply and Start-Up Considerations
7
Product Mapping
8
Processor And Architecture
9
Peripheral Dependencies
10
Device Service Unit (DSU)
11
Clock System
12
GCLK - Generic Clock Controller
13
PM - Power Manager
14
SYSCTRL – System Controller
15
WDT – Watchdog Timer
16
RTC – Real-Time Counter
17
EIC – External Interrupt Controller
18
Nonvolatile Memory Controller (NVMCTRL)
19
PORT - I/O Pin Controller
20
Event System (EVSYS)
21
SERCOM – Serial Communication Interface
22
SERCOM USART - SERCOM Synchronous and Asynchronous Receiver and Transmitter
23
Register Summary
24
SERCOM SPI – SERCOM Serial Peripheral Interface
25
SERCOM I
2
C – Inter-Integrated Circuit
26
Timer/Counter (TC)
27
ADC - Analog-to-Digital Converter
28
AC – Analog Comparators
28.1
Overview
28.2
Features
28.3
Block Diagram
28.4
Signal Description
28.5
Peripheral Dependencies
28.6
Functional Description
28.6.1
Principle of Operation
28.6.2
Basic Operation
28.6.2.1
Initialization
28.6.2.2
Enabling, Disabling and Resetting
28.6.2.3
Comparator Configuration
28.6.2.4
Starting a Comparison
28.6.3
Selecting Comparator Inputs
28.6.4
Window Operation
28.6.5
Voltage Doubler
28.6.6
AVDD Scaler
28.6.7
Input Hysteresis
28.6.8
Propagation Delay vs. Power Consumption
28.6.9
Filtering
28.6.10
Comparator Output
28.6.11
Offset Compensation
28.6.12
Interrupts
28.6.13
Events
28.6.14
Sleep Mode Operation
28.6.15
Synchronization
28.7
Register Summary
29
DAC – Digital-to-Analog Converter
30
PTC - Peripheral Touch Controller
31
Electrical Specifications 85°C
32
Electrical Specifications 125°C
33
Packaging Information
34
Schematic Checklist
35
Revision History
36
Conventions
37
Acronyms and Abbreviations
38
Product Identification System
Microchip Information
28.6.2 Basic Operation