User Manual

UMTS/HSDPA Module Series
UC15 Mini PCIe Hardware Design
UC15_Mini_PCIe_Hardware_Design Confidential / Released 14 / 40
3
Application Interface
3.1. General Description
The physical connections and signal levels of UC15 Mini PCIe comply with PCI Express Mini CEM
specifications. This chapter mainly describes the definition of following interfaces and applications of
UC15 Mini PCIe.
 Power supply
 UART interface
 USIM interface
 USB interface
 Audio interface
 Antenna interface
 Control signals (W_DISABLE#, PERST# and LED_WWAN#)
3.2. UC15 Mini PCIe Interface
3.2.1. Definition of Interface
The following tables show the pin assignments of UC15 Mini PCIe on the 52-pin application.
Table 3: Definition of IO Parameters
Type Description
AI Analog input
AO Analog output
DI Digital input
DO Digital output
IO Bidirectional input/output
OC Open collector