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PIC32CM6408PL10028/032/048/064 Data Sheet
5 Volt, 64 KB Flash, 8 KB SRAM with Advanced Analog
Family Overview
1 Memory Overview
2 Peripheral Overview
1 Block Diagram
2 Pinout
2.1 Configuration Summary
2.2 Pinout Diagrams
2.3 Pinout and Multiplexing
3 Power Supply and Start-Up Considerations
3.1 Power Domain Overview
3.2 Power Supply Considerations
3.3 Start-Up
3.4 Power-On Reset (POR) and Brown-Out Detectors (BOD)
4 CPU and Architecture
4.1 Cortex M0+ Processor
4.2 NVIC – Nested Vectored Interrupt Controller
4.3 Product Mapping
4.4 HMATRIXHS - High-Speed Bus System
4.5 Micro Trace Buffer
4.6 Reset Sources
5 Memories
5.1 Embedded Memories
5.2 Physical Memory
5.3 Register Properties
5.4 SIGNATURE
5.5 BOOTCFG - Boot Configuration Fuses
6 BootROM - Boot ROM
6.1 Features
6.2 Overview
6.3 Block Diagram
6.4 Functional Description
6.5 Programming Specifications
6.6 Dependencies
7 SYSCTRL - System Controller
7.1 Register Summary
System Controller
8 Peripherals Configuration Summary
9 Clock System
9.1 Clock Distribution
9.2 Clock System Features
9.3 Clocks After Reset
9.4 SERCOM Clocking Example
9.5 Synchronous and Asynchronous Clocks
9.6 Register Synchronization
9.7 Enabling a Peripheral
9.8 On-Demand Clock Requests
9.9 Power Consumption Versus Speed
10 GCLK – Generic Clock Controller
10.1 Features
10.2 Overview
10.3 Block Diagram
10.4 Functional Description
10.5 Dependencies
10.6 Register Summary
Generic Clock Controller
11 MCLK – Main Clock
11.1 Features
11.2 Overview
11.3 Block Diagram
11.4 Functional Description
11.5 Dependencies
11.6 Register Summary
Main Clock
12 OSCCTRL – Oscillators Controller
12.1 Features
12.2 Overview
12.3 Block Diagram
12.4 Functional Description
12.5 Dependencies
12.6 Register Summary
Oscillators Controller
13 OSC32KCTRL – 32.768 kHz Oscillators Controller
13.1 Features
13.2 Overview
13.3 Block Diagram
13.4 Functional Description
13.5 Dependencies
13.6 Register Summary
32.768 kHz Oscillators Controller
14 PM – Power Manager
14.1 Features
14.2 Overview
14.3 Block Diagram
14.4 Functional Description
14.5 Dependencies
14.6 Register Summary
Power Manager
15 SUPC – Supply Controller
15.1 Features
15.2 Overview
15.3 Block Diagram
15.4 Functional Description
15.5 Dependencies
15.6 Register Summary
Supply Controller
16 RSTC – Reset Controller
16.1 Features
16.2 Overview
16.3 Block Diagram
16.4 Functional Description
16.5 Dependencies
16.6 Register Summary
Reset Controller
17 PAC - Peripheral Access Controller
17.1 Features
17.2 Overview
17.3 Block Diagram
17.4 Functional Description
17.5 Dependencies
17.6 Register Summary
Peripheral Access Controller
18 DSU – Device Service Unit
18.1 Features
18.2 Overview
18.3 Block Diagram
18.4 Functional Description
18.5 Dependencies
18.6 Register Summary
Device Service Unit
19 DMAC – Direct Memory Access Controller
19.1 Features
19.2 Overview
19.3 Block Diagram
19.4 Functional Description
19.5 Dependencies
19.6 Register Summary
Direct Memory Access Controller
19.7 Register Summary
Direct Memory Access Controller
20 WDT – Watchdog Timer
20.1 Features
20.2 Overview
20.3 Block Diagram
20.4 Functional Description
20.5 Dependencies
20.6 Register Summary
Watchdog Timer
21 RTC – Real-Time Counter
21.1 Features
21.2 Overview
21.3 Block Diagram
21.4 Functional Description
21.5 Dependencies
21.6 Register Summary
Real-Time Counter
21.7 Register Summary
Real-Time Counter
21.8 Register Summary
Real-Time Counter
22 TC - Timer/Counter
22.1 Features
22.2 Overview
22.3 Block Diagram
22.4 Functional Description
22.5 Dependencies
22.6 Register Summary
Timer/Counter
22.7 Register Summary
Timer/Counter
22.8 Register Summary
Timer/Counter
23 TCC - Timer/Counter for Control Applications
23.1 Features
23.2 Overview
23.3 Block Diagram
23.4 Functional Description
23.5 Dependencies
23.6 Register Summary
Timer/Counter for Control Applications
24 EVSYS – Event System
24.1 Features
24.2 Overview
24.3 Block Diagram
24.4 Functional Description
24.5 Dependencies
24.6 Register Summary
Event System
25 EIC – External Interrupt Controller
25.1 Features
25.2 Overview
25.3 Block Diagram
25.4 Functional Description
25.5 Dependencies
25.6 Register Summary
External Interrupt Controller
26 NVMCTRL – Non-Volatile Memory Controller
26.1 Features
26.2 Overview
26.3 Block Diagram
26.4 Functional Description
26.5 Dependencies
26.6 Register Summary
Non-Volatile Memory Controller
27 PORT - I/O Pin Controller
27.1 Features
27.2 Overview
27.3 Block Diagram
27.4 Functional Description
27.5 Dependencies
27.6 Register Summary
I/O Pin Controller
28 SERCOM — Serial Communication Interface
28.1 Features
28.2 Overview
28.3 Block Diagram
28.4 Functional Description
28.5 Dependencies
29 SERCOM USART — SERCOM Universal Synchronous and Asynchronous Receiver and Transmitter
29.1 Features
29.2 Overview
29.3 Block Diagram
29.4 Functional Description
29.5 Dependencies
29.6 Register Summary
Serial Communication Interface
30 SERCOM SPI — SERCOM Serial Peripheral Interface
30.1 Features
30.2 Overview
30.3 Block Diagram
30.4 Functional Description
30.5 Dependencies
30.6 Register Summary
Serial Communication Interface
31 SERCOM I2C — SERCOM Inter-Integrated Circuit
31.1 Features
31.2 Overview
31.3 Block Diagram
31.4 Functional Description
31.5 Dependencies
31.6 Register Summary
Serial Communication Interface
31.7 Register Summary
Serial Communication Interface
32 CCL - Configurable Custom Logic
32.1 Features
32.2 Overview
32.3 Block Diagram
32.4 Functional Description
32.5 Dependencies
32.6 Register Summary
Configurable Custom Logic
33 ADC - Analog-to-Digital Converter
33.1 Features
33.2 Overview
33.3 Block Diagram
33.4 Functional Description
33.5 Dependencies
33.6 Register Summary
Analog-to-Digital Converter
34 Temperature Sensor
35 PTC - Peripheral Touch Controller
35.1 Features
35.2 Overview
35.3 Block Diagram
35.4 Signal Description
35.5 Functional Description
35.6 Dependencies
36 AC - Analog Comparators
36.1 Features
36.2 Overview
36.3 Block Diagram
36.4 Functional Description
36.5 Dependencies
36.6 Register Summary
Analog Comparator
37 Electrical Characteristics @85°C
37.1 Disclaimer
37.2 Absolute Maximum Ratings
37.3 Operating Frequencies and Thermal Limitations
37.4 Power Supply
37.5 Power Consumption
37.6 Wake-up Timing
37.7 I/O Pin Electrical Specifications
37.8 Internal Voltage Reference Specifications
37.9 Clock Controller (CLKCTRL) Characteristics
37.10 Analog-to-Digital Converter (ADC) Electrical Specifications
37.11 Analog Comparator (AC) Electrical Specifications
37.12 Peripheral QTouch® Controller (PTC) Electrical Specifications
37.13 Serial Peripheral Interface (SERCOM SPI) Mode Electrical Specifications
37.14 SERCOM Universal Synchronous and Asynchronous Receiver and Transmitter (SERCOM USART)
37.15 SERCOM Inter-Integrated Circuit (SERCOM I2C) Electrical Specifications
37.16 Timer Counter (TC) Module Electrical Specifications
37.17 Timer/Counter for Control (TCC) Application Electrical Specifications
37.18 NVM Block (Flash, Data Flash and NVM Configuration Rows) Electrical Specifications
37.19 Configurable Custom Logic (CCL) Electrical Specifications
38 Graphical Characteristics
38.1 I/O Pin Graphical Characteristics
39 Packaging Information
39.1 Package Marking Information
39.2 Package Drawings
39.3 Soldering Profile
40 Schematic Checklist
40.1 Introduction
40.2 Operation in Noisy Environment
40.3 Power Supply
40.4 External Analog Reference Connections
40.5 External Reset Circuit
40.6 Unused or Unconnected Pins
40.7 Clocks and Crystal Oscillators
40.8 Programming and Debug Ports
41 Ordering Information
42 Data Sheet Revision History
42.1 Rev.A - 12/2025
Microchip Information
Trademarks
Legal Notice
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