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PIC32CM16/32 GV00 Family Data Sheet
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25
SERCOM I
2
C – Inter-Integrated Circuit
25.6
Functional Description
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
25.1
Overview
25.2
Features
25.3
Block Diagram
25.4
Signal Description
25.5
Product Dependencies
25.6
Functional Description
25.6.1
Principle of Operation
25.6.2
Basic Operation
25.6.3
Additional Features
25.6.4
Interrupts
25.6.5
Sleep Mode Operation
25.6.6
Synchronization
25.7
Register Summary - I
2
C Client
25.8
Register Summary - I
2
C Host
26
Timer/Counter (TC)
27
ADC - Analog-to-Digital Converter
28
AC – Analog Comparators
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
25.6 Functional Description