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PIC32CX2051BZ62132
PIC32WM-BZ6204UE
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21
Deadman Timer (DMT)
21.4
DMT Operation
Introduction
PIC32CX-BZ6
SoC Family Features
PIC32WM-BZ6
Module Features
1
Acronyms and Abbreviations
2
Ordering Information
3
Configuration Summary
4
PIC32CX-BZ6
SoC Description
5
PIC32WM-BZ6
Module Description
6
Pinout and Signal Descriptions List
7
I/O Ports and Peripheral Pin Select (PPS)
8
Power Subsystem
9
Product Memory Mapping Overview
10
Processor and Architecture
11
Prefetch Cache (PCHE)
12
Cortex M Cache Controller (CMCC)
13
Secure Boot ROM
14
eFuse Controller
15
Security Features
16
Flash Controller (FC)
17
Device Service Unit (DSU)
18
Clock and Reset Unit (CRU)
19
Power Management Unit (PMU)
20
Watchdog Timer (WDT)
21
Deadman Timer (DMT)
21.1
Overview
21.2
Features
21.3
Block Diagram
21.4
DMT Operation
21.4.1
Mode of Operation
21.4.2
Enabling and Disabling the DMT Module
21.4.3
DMT Count Windowed Interval
21.4.4
DMT Count Selection
21.4.5
DMT Operation in Power-Saving Modes
21.4.6
Debug Mode Operation
21.4.7
Resetting the DMT
21.5
Register Summary
21.6
Register Description
22
RAM Error Correction Code (RAMECC)
23
System Configuration and Register Locking (CFG)
24
Peripheral Module Disable (PMD)
25
Peripheral Access Controller (PAC)
26
Real-Time Counter and Calendar (RTCC)
27
Direct Memory Access Controller (DMAC)
28
External Interrupt Controller (EIC)
29
Configurable Custom Logic (CCL)
30
Frequency Meter (FREQM)
31
Event System (EVSYS)
32
Serial Communication Interface (SERCOM)
33
SERCOM Synchronous and Asynchronous Receiver and Transmitter (SERCOM USART)
34
SERCOM Serial Peripheral Interface (SERCOM SPI)
35
SERCOM Inter-Integrated Circuit (SERCOM I
2
C)
36
Quad Serial Peripheral Interface (QSPI)
37
Analog-to-Digital Converter (ADC)
38
Automated Touch Sensing using the Enhance Capacitive Voltage Divider (CVD)
39
Analog Comparators (AC)
40
Digital-to-Analog Converter (DAC)
41
Timer/Counter (TC)
42
Timer/Counter for Control Applications (TCC)
43
Controller Area Network (CAN)
44
Universal Serial Bus (USB)
45
Ethernet Media Access Controller (ETH)
46
Quadrature Encoder Interface (QEI)
47
Low-Cost Controllerless (LCC)
48
802.15.4 Bluetooth® Radio Subsystem
49
Electrical Characteristics
50
Packaging Information
51
Appendix A: Regulatory Approval
52
Appendix B: Acronyms and Abbreviations
53
Document Revision History
Microchip Information
21.4 DMT Operation
