User's Manual
Table Of Contents
- Product Introduction
- 1.1 Overview
- 1.2 Features
- 1.3 Product Diagram
- 1.4 Appearance
- 1.5 Specification
- 1.6 Interface Definition
- 1.7 Electrical Features
- 1.8 Digital Port Features
- Hardware Design Notice
- 2.1 Application Diagram
- 2.2 GPIO
- 2.3 UART
- 2.4 Design requirement of practical application
- 2.4.1 Reset Sequence
- 2.5 Power Supply Interface
- 2.6 RF Input and Output Interface
- 2.7 Dimension
- 2.8 No wiring area
- Approval and Certification
- Disclaimer
T3: 30ms ~50ms
2.5
Power Supply Interface
Table 2- 2 Power supply pin definition
Power Supply Interface
Pin No.
Pin
I/O
Instruction
16
GND
Power
Ground
15
VCC
Power
3.3V Input
Because module need low ripple DC power supply, please design the power module accurately, otherwise, it may
lead to RF performance degradation.
2.6 RF Input and Output Interface
A. Using on-board antenna, we need to place 1nH inductance, remain IPEX empty.
Figure 2- 5 KM26 external reset sequence