Users Manual Part 1

SIM8260A_Hardware Design_V1.05
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Contents
Version History .................................................................................................................................................. 3
Contents ............................................................................................................................................................ 5
Table Index ........................................................................................................................................................ 7
Figure Index .......................................................................................................................................................9
1 Introduction ................................................................................................................................................ 11
1.1 Product Outline ................................................................................................................................... 11
1.2 Hardware Block Diagram ....................................................................................................................13
1.3 Feature Overview ............................................................................................................................... 14
2 Package Information ................................................................................................................................. 16
2.1 Pin Assignment Overview ...................................................................................................................16
2.2 Pin Description ....................................................................................................................................18
2.3 Mechanical Dimensions ......................................................................................................................27
3 Interface Application .................................................................................................................................. 29
3.1 Power Supply ......................................................................................................................................29
3.1.1 Power Supply Design Guide ..................................................................................................... 29
3.1.2 Recommended Power Supply Circuit .......................................................................................32
3.1.3 Voltage Monitor ..........................................................................................................................34
3.2 Power On and Off Module .................................................................................................................. 35
3.2.1 Power On ...................................................................................................................................35
3.2.2 Power Off ...................................................................................................................................36
3.3 Reset Function ....................................................................................................................................38
3.4 Output Power Management ............................................................................................................... 39
3.4.1 VDD_EXT Reference Circuit .....................................................................................................40
3.5 USB Interface ......................................................................................................................................40
3.6 PCIe Interface ..................................................................................................................................... 44
3.6.1 PCIe for W82 ............................................................................................................................. 45
3.6.2 PCIe for RTL8125B ................................................................................................................... 46
3.6.3 PCIe Switch ............................................................................................................................... 47
3.6.4 PCIe interface for Qualcomm IPQxxxx .....................................................................................49
3.7 SDIO Interface .................................................................................................................................... 49
3.8 (U)SIM Interface ..................................................................................................................................52
3.9 I2S Interface ........................................................................................................................................54
3.9.1 I2S Timing ..................................................................................................................................54
3.9.2 I2S Reference Circuit ................................................................................................................ 55
3.10 I2C Interface ..................................................................................................................................... 57
3.11 UART Interface ..................................................................................................................................58
3.12 SPI Interface ..................................................................................................................................... 60
3.13 ADC Interface ....................................................................................................................................61
3.14 WLAN/BT Interface ...........................................................................................................................62