Jump to main content

32-bit Arm Cortex-M23 Low Power MCU with Security, Safety, CAN-FD, Full Speed USB, Touch and Advanced Analog

PIC32CM5112GC00048 PIC32CM5112GC00064 PIC32CM5112GC00100 PIC32CM5112SG00048 PIC32CM5112SG00064 PIC32CM5112SG00100

Home
17 Device Service Unit (DSU)
17.5 Debug Operation

32-bit Arm® Cortex®-M23 MCU with Security, Functional Safety (FuSa), CAN-FD, Full-Speed USB, Enhanced Touch, and Advanced Analog
1 Guidelines for Getting Started
2 Configuration Summary
3 Ordering Information
4 Block Diagram
5 Pinout and Packaging
6 Signal Description
7 Power Supplies and Startup Considerations
8 Product Mapping
9 Peripherals
10 Processor and Architecture
11 Memories
12 PIC32CM SG00/GC00 Security Features
13 Implementation Defined Attribution Unit (IDAU)
14 System Bus AHB - APB Bridge (H2PB)
15 Multi-Channel RAM Controller (MCRAMC)
16 Peripheral Access Controller (PAC)
17 Device Service Unit (DSU)
- 17.1 Overview
- 17.2 Features
- 17.3 DSU Block Diagram
- 17.4 Signal Description
- 17.5 Debug Operation
  - 17.5.1 Principle of Operation
  - 17.5.2 Debugger Probe Detection
  - 17.5.3 CPU RESET EXTENSION
  - 17.5.4 BOOT ROM PHASE EXTENSION
    Enter a short description of your concept here (optional).
  - 17.5.5 Debugger Security
  - 17.5.6 Boot Communication Channels
- 17.6 Programming
- 17.7 Device Identification
- 17.8 Peripheral Dependencies
- 17.9 Register Summary
18 Clock Distribution System
19 Oscillator Controller (OSCCTRL)
20 Generic Clock Controller (GCLK)
21 Main Clock (MCLK)
22 32 KHz Oscillators Controller (OSC32KCTRL)
23 Watchdog Timer (WDT)
24 Frequency Meter (FREQM)
25 Real-Time Counter (RTC)
26 Direct Memory Access Controller (DMAC)
27 Supply Controller (SUPC)
28 Power Manager (PM)
29 Reset Controller (RSTC)
30 External Interrupt Controller (EIC)
31 Non-Volatile Memory Controller (NVMCTRL)
32 Event System (EVSYS)
33 I/O Pin Controller (PORT)
34 Serial Communication Interface (SERCOM)
35 Controller Area Network (CAN)
36 Universal Serial Bus (USB)
37 Configurable Custom Logic (CCL)
38 Analog to Digital Converter (ADC)
39 Analog Comparator (AC)
40 Timer/Counter for Control Applications (TCC)
41 TrustRAM (TRAM)
42 Peripheral Touch Controller (PTC)
43 Hardware Security Module Lite (HSM-Lite)
44 Anti-Tamper Module (AT)
45 Physically Uncloneable Function (PUF)
46 Electrical Characteristics
47 Packaging Information
48 Schematic Checklist
49 Common Conventions
50 Acronyms and Abbreviations
51 Revision History
Microchip Information

17.5 Debug Operation

The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.

Microchip Facebook

Microchip LinkedIn

Microchip Twitter

Microchip YouTube

Microchip Instagram

Microchip Weibo

Contact |

Legal |

Privacy Policy |

Cookies |

Careers

Stay on the leading edge with our blog

© Copyright 1998-2025 Microchip Technology Inc. All rights reserved.