LEC-iMX6R2 User’s Guide SGET SMARC Rev 2.1
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Table of Contents
Introduction........................................................................................................................................................................................................................................................................................................................ 8
1.1 The SMARC Formfactor .........................................................................................................................................................................................................................................................................................................................8
2. Specifications............................................................................................................................................................................................................................................................................................................... 9
2.1 Core System................................................................................................................................................................................................................................................................................................................................................9
2.2 Video........................................................................................................................................................................................................................................................................................................................................................... 10
2.3 Audio .......................................................................................................................................................................................................................................................................................................................................................... 12
2.4 Dual Ethernet........................................................................................................................................................................................................................................................................................................................................... 12
2.5 Extension busses.................................................................................................................................................................................................................................................................................................................................... 13
2.6 System Storage ...................................................................................................................................................................................................................................................................................................................................... 14
2.7 SEMA® Board Management Controller ...................................................................................................................................................................................................................................................................................... 15
2.8 Debug Header ........................................................................................................................................................................................................................................................................................................................................ 15
2.9 Boot Modes ............................................................................................................................................................................................................................................................................................................................................. 15
2.10 Power.......................................................................................................................................................................................................................................................................................................................................................... 16
2.11 Mechanical and Environmental ....................................................................................................................................................................................................................................................................................................... 16
3. Block Diagram ...........................................................................................................................................................................................................................................................................................................17
4. Pinout and Signal Descriptions ..........................................................................................................................................................................................................................................................................18
4.1 Pin Summary ........................................................................................................................................................................................................................................................................................................................................... 18
4.2 Signal Terminology Descriptions.................................................................................................................................................................................................................................................................................................... 22
4.3 Signal Description by function......................................................................................................................................................................................................................................................................................................... 23
4.3.1 The First Display Interface ..................................................................................................................................................................................................................................................................................................... 23
4.3.2 Second & Third Display Interface ...................................................................................................................................................................................................................................................................................... 26
4.3.3 MIPI Camera support .............................................................................................................................................................................................................................................................................................................. 28
4.3.4 I2S (audio).................................................................................................................................................................................................................................................................................................................................... 30
4.3.5 USB ports...................................................................................................................................................................................................................................................................................................................................... 31
4.3.6 PCIe Ports..................................................................................................................................................................................................................................................................................................................................... 34
4.3.7 SATA Ports ................................................................................................................................................................................................................................................................................................................................... 36
4.3.8 LAN ports ..................................................................................................................................................................................................................................................................................................................................... 37
4.3.9 SDIO................................................................................................................................................................................................................................................................................................................................................ 39
4.3.10 SPI & ESPI..................................................................................................................................................................................................................................................................................................................................... 40
4.3.11 SPI0 ................................................................................................................................................................................................................................................................................................................................................. 40
4.3.12 ESPI ................................................................................................................................................................................................................................................................................................................................................. 41
4.4 General Purpose I2C............................................................................................................................................................................................................................................................................................................................. 42
4.4.1 GPIO................................................................................................................................................................................................................................................................................................................................................ 43
4.4.2 UART............................................................................................................................................................................................................................................................................................................................................... 44