Product Info
Table Of Contents
- About the Document
- Contents
- Table Index
- Figure Index
- 1 Introduction
- 2 Product Concept
- 3 Application Interfaces
- 4 Antenna Interface
- 5 Electrical, Reliability and Radio Characteristics
- 6 Mechanical Dimensions
- 7 Storage, Manufacturing and Packaging
- 8 Appendix A References
- 9 Appendix B GPRS Coding Schemes
- 10 Appendix C GPRS Multi-slot Classes
- 11 Appendix D EDGE Modulation and Coding Schemes
- 12 Appendix E Certification List
UMTS/HSPA+ Module Series
UG89 Hardware Design
UG89_Hardware_Design 29 / 73
possible and must be encircled by ground traces.
Table 9: Pin Description of RESET_N
The recommended circuit is similar to the PWRKEY control circuit. An open-drain/collector driver or button
can be used to control the RESET_N.
Reset pulse
RESET_N
4.7K
47K
300ms
Figure 10: Reference Circuit of Resetting the Module by Using Driving Circuit
RESET_N
S2
Close to S2
TVS
Figure 11: Reference Circuit of Resetting the Module by Using Button
Pin Name
Pin No.
I/O
Description
Comment
RESET_N
34
DI
Reset the module.
Active low.
1.8V power domain.
If unused, keep it open.