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ESP32-H2 Series
Espressif Systems ESP32-H2 Series Manuals
Manuals and User Guides for Espressif Systems ESP32-H2 Series. We have
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Espressif Systems ESP32-H2 Series manual available for free PDF download: Hardware Design Manuallines
Espressif Systems ESP32-H2 Series Hardware Design Manuallines (33 pages)
Brand:
Espressif Systems
| Category:
Microcontrollers
| Size: 1 MB
Table of Contents
Table of Contents
2
Overview
5
Schematic Checklist
6
ESP32-H2 Schematic
6
Power Supply
7
Digital Power Supply
7
Analog Power Supply
7
Schematic for the Digital Power Supply Pins
7
Power-Up Timing and System Reset
8
Power-Up Timing
8
System Reset
8
Schematic for the Analog Power Supply Pins
8
Power-Up and Reset Timing
9
Flash
9
Clock Source
9
External Clock Source (Compulsory)
9
Description of Timing Parameters for Power-Up and Reset
9
Visualization of Timing Parameters for Power-Up and Reset
9
Schematic for the Crystal
10
RTC Clock(Optional)
11
Schematic for the RTC Clock
11
Uart
12
Strapping Pins
13
Chip Boot Mode Control
13
Description of Timing Parameters for the Strapping Pins
13
Gpio
14
Visualization of Timing Parameters for the Strapping Pins
14
Adc
16
Usb
16
PCB Layout Design
17
General Principles of PCB Layout
17
Positioning a Module on a Base Board
18
Placement of ESP32-H2 Modules on Base Board (Antenna Feed Point on the Right)
18
Placement of ESP32-H2 Modules on Base Board (Antenna Feed Point on the Left)
19
Power Supply
20
Crystal
21
ESP32-H2 Crystal Oscillator Layout (Connected to the Ground)
22
ESP32-H2 Crystal Oscillator Layout (Not Connected to the Ground)
23
Uart
25
Usb
25
Typical Layout Problems and Solutions
25
Q: the Voltage Ripple Is Not Large, but the TX Performance of RF Is Rather Poor
26
Q: the Voltage Ripple Is Small, but RF TX Performance Is Poor
26
Q: When ESP32-H2 Sends Data Packages, the Power Value Is Much Higher or Lower than the Target Power Value, and the EVM Is Relatively Poor
26
Q: TX Performance Is Not Bad, but the RX Sensitivity Is Low
27
Hardware Development
28
ESP32-H2 Modules
28
ESP32-H2 Development Boards
28
Download Guidelines
28
Related Documentation and Resources
30
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