Table of Contents
1. INTRODUCTION ..................................................................................................................................................7
1.1 Purpose .......................................................................................................................................................7
1.2 Snapdrgon 820 SBC Overview......................................................................................................................7
1.3 List of Acronyms ..........................................................................................................................................7
1.4 Terminlogy Description................................................................................................................................9
1.5 References...................................................................................................................................................9
1.6 Important Note..........................................................................................................................................10
2. ARCHITECTURE AND DESIGN ............................................................................................................................11
2.1 Snapdragon 820 SBC Block Diagram...........................................................................................................11
2.2 Snapdragon 820 SBC Features ...................................................................................................................12
2.3 Qualcomm APQ8096 CPU ..........................................................................................................................14
2.4 Power Management..................................................................................................................................14
2.4.1 PM8996 PMIC........................................................................................................................................14
2.4.2 PMI8996 Battery Charger.......................................................................................................................14
2.5 Memory.....................................................................................................................................................15
2.5.1 LPDDR4 RAM .........................................................................................................................................15
2.5.2 eMMC Flash...........................................................................................................................................15
2.5.3 Micro SD Connector slot.........................................................................................................................15
2.6 Audio/Video Feature .................................................................................................................................16
2.6.1 Audio IN/OUT Port.................................................................................................................................16
2.6.2 HDMI Port..............................................................................................................................................17
2.7 Communication Features...........................................................................................................................18
2.7.1 Wi-Fi and Bluetooth...............................................................................................................................18
2.7.2 GPS/GNSS..............................................................................................................................................19
2.7.3 USB 2.0 OTG Port...................................................................................................................................20
2.7.4 USB 3.0 OTG Port (Optional) ..................................................................................................................20
2.8 Serial Interface Features............................................................................................................................21
2.8.1 Debug UART Header ..............................................................................................................................21
2.9 On Board Switches.....................................................................................................................................22
2.9.1 ON/OFF Switch ......................................................................................................................................22
2.9.2 VOL+ SWITCH.........................................................................................................................................22
2.9.3 RST/VOL- SWITCH ..................................................................................................................................23
2.9.4 Forced USB Boot Selection Switch ..........................................................................................................23
2.10 I/O Connectors ..........................................................................................................................................24
2.10.1 30Pin I/O Connector...............................................................................................................................24
2.10.2 6Pin Connector.......................................................................................................................................26
3. TECHNICAL SPECIFICATION...............................................................................................................................27
3.1 Electrical Characteristics ............................................................................................................................27
3.1.1 Power Jack.............................................................................................................................................27
3.1.2 Battery Connector..................................................................................................................................28