Microchip Technology PIC32MX Manuals

Manuals and User Guides for Microchip Technology PIC32MX. We have 1 Microchip Technology PIC32MX manual available for free PDF download: Troubleshooting Checklist

Microchip Technology PIC32MX Troubleshooting Checklist

Microchip Technology PIC32MX Troubleshooting Checklist (76 pages)

Brand: Microchip Technology | Category: Microcontrollers | Size: 5 MB

Table of Contents

PIC32MZ, PIC32MX, PIC32MM, PIC32MK, PIC32C, and SAM Devices
1
Table of Contents
2
Frequently Asked Questions (Faqs)
4
List of Figures
6
List of Tables
8
List of Equations
9
Introduction
10
User Issue Submission Instructions
10
Microchip Client Support Services
10
Microchip Technical Support Services
10
Basic 32-Bit MCU Design and Troubleshooting Menu Checklist
11
MCU Start-Up Problems
12
VDD Ramp Rate
12
Power Bypassing
13
Power Sequencing
15
I/O Pin Current Injection from Remote Circuits
16
Crystal Oscillators
18
Clock Switching
21
Unexpected Resets
23
Pic32Mx/Pic32Mm Por/Bor
23
Pic32Mz/Pic32Mk/Pic32C Por/Bor
23
NMI and Exception Events
24
ESD/EMI/EFT Events
24
Debug Issues
26
ICD4/REAL_ICE ICSP (Pgdx/Pgcx) Debug Issues
26
Jtag/Swd
28
PCB MCU Connections
30
Exposed Pad
30
PIC32MX/PIC32MM/PIC32MZ/PIC32MK VUSB3V3 Pin
30
Mclr#/Resetn
31
Vbat
31
Serial Data Corruption Errors
33
Impedance Matching
33
Ground Loops
35
Spi/Sqi
36
SD Host Controller (SDHC)
39
Uart
41
Usb
43
Can Fd
47
Adc
52
Typical SAM SAR ADC Total Unadjusted Error Sources (TUE)
52
ADC Noise
52
VREF Accuracy
54
Circuit IR Drop Errors
54
I 2 S and Push Button Protection Illustration
57
Key I S and Push Button Protection Design Points
57
I2C
58
Key I C Protection Design Points
59
Inlet Power Protection Illustration
60
Ethernet
61
Special Ethernet 10/100 Base-T Design Guidelines
61
Comprehensive PCB Layout Guidelines and Recommendations
64
PCB Bypassing
68
PCB Layer Strategy
68
PCB Signal Integrity Concerns
70
PCB Trace Considerations
71
Revision History
72
The Microchip Website
73
Product Change Notification Service
73
Customer Support
73
Microchip Devices Code Protection Feature
73
Legal Notice
74
Trademarks
74
Quality Management System
75
Worldwide Sales and Service
76

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