User's Manual
Table Of Contents
- About the Document
- Contents
- Table Index
- Figure Index
- 1 Introduction
- 2 Product Concept
- 3 Application Interface
- 3.1. General Description
- 3.2. Pin Assignment
- 3.3. Pin Description
- 3.4. Operating Modes
- 3.5. Power Saving
- 3.6. Power Supply
- 3.7. Turn on and off Scenarios
- 3.8. Reset the Module
- 3.9. RTC Interface
- 3.10. UART Interface
- 3.11. USIM Card Interface
- 3.12. USB Interface
- 3.13. PCM and I2C Interface
- 3.14. Network Status Indication
- 3.15. Operating Status Indication
- 4 Antenna Interface
- 5 Electrical, Reliability and Radio Characteristics
- 6 Mechanical Dimensions
- 7 Storage and Manufacturing
- 8 Appendix A Reference
- 9 Appendix B GPRS Coding Scheme
- 10 Appendix C GPRS Multi-slot Class
- 11 Appendix D EDGE Modulation and Coding Scheme
UMTS/HSPA Module Series
UG96 Hardware Design
UG96_Hardware_Design Confidential / Released 41 / 75
Table 12: Pin Definition of the USIM Interface
Pin Name
Pin No. I/O
Description
Comment
USIM_PRESENCE
42
DI
USIM card detection input.
1.8V power domain.
USIM_VDD
43
PO
Power supply for USIM card.
Either 1.8V or 3.0V is
supported by the module
automatically.
USIM_RST
44
DO
Reset signal of USIM card.
USIM_DATA
45
IO
Data signal of USIM card.
Pull-up to USIM_VDD with
4.7k resistor internally.
USIM_CLK
46
DO
Clock signal of USIM card.
USIM_GND
47
Specified ground for USIM
card.
UG96 supports USIM card hot-plugging via the USIM_PRESENCE pin. The following figure shows the
reference design of the 8-pin USIM card.
USIM_VDD
USIM_GND/GND
USIM_RST
USIM_CLK
USIM_DATA
USIM_PRESENCE
22R
22R
22R
VDD_EXT
51K
100nF USIM holder
GND
GND
ESD
33pF 33pF 33pF
VCC
RST
CLK
IO
VPP
GND
GND
USIM_VDD
15K
Module
Figure 23: Reference Circuit of the 8-Pin USIM Card
If you do not need the USIM card detection function, keep USIM_PRESENCE unconnected. The
reference circuit for using a 6-pin USIM holder is illustrated as the following figure.