User's Manual

Table Of Contents
Hardware Development Guide of Module Product
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ZM8620_V2
4.4.2 Electric Feature ........................................................................................................................ 20
4.5 USB2.0 Interface ................................................................................................................................ 20
4.5.1 Description of PINs ................................................................................................................... 20
4.5.2 Electric Feature ........................................................................................................................ 21
4.6 UART Interface .................................................................................................................................. 21
4.6.1 Description of PINs ................................................................................................................... 21
4.6.2 Electric Feature ........................................................................................................................ 22
4.7 SPI Interface ....................................................................................................................................... 23
4.8 Reset Signal PERST# .......................................................................................................................... 24
4.9 WAKE# Signal ................................................................................................................................... 24
4.10 W_DISABLE_N Signal ....................................................................................................................... 25
4.11 Recommended Upgrade Methods ......................................................................................................... 26
5 ELECTRIC FEATURE ........................................................................................................................... 27
5.1 Power Feature ..................................................................................................................................... 27
5.1.1 Power Supply ........................................................................................................................... 27
5.1.2 Working Current ....................................................................................................................... 27
5.2 Power-on/Resetting Flow ..................................................................................................................... 28
5.3 Resetting Flow .................................................................................................................................... 29
6 RELATED TEST & TESTING STANDARD ........................................................................................... 30
6.1 Testing Reference ................................................................................................................................ 30
6.2 Description of Testing Environment ...................................................................................................... 30
6.3 Reliability Testing Environment ............................................................................................................ 31
6.4 Reliability Test Result .......................................................................................................................... 32
7 RF SPECIFICATIONS ........................................................................................................................... 34
7.1 Technical Specification for UMTS Mode Radio Frequency ..................................................................... 34
7.1.1 Maximum Transmission Power................................................................................................. 34
7.1.2 Receiving Sensitivity ................................................................................................................ 34
7.1.3 Spurious Specification .............................................................................................................. 35
7.2 Technical Specification of GSM Mode Radio Frequency ......................................................................... 35