Table Of Contents - TechNexion FLEX-IMX8M-Mini Product Manual

FLEX-IMX8M-Mini HARDWARE MANUAL - VER 1.00 - JAN 31 2020
1. Introduction ......................................................................................................................................... 5
1.1. General Introduction ..................................................................................................................... 5
2. FLEX-IMX8M-Mini Product Overview ................................................................................................. 5
2.1. FLEX-IMX8M-Mini System-on-Module Overview ......................................................................... 5
2.2. Block Diagram .............................................................................................................................. 6
2.3. Dimensional Drawing.................................................................................................................... 6
2.4. Component Location .................................................................................................................... 7
3. Core Components ............................................................................................................................... 8
3.1. NXP i.MX8M Mini ARM Cortex-A53 + Cortex-M4 Processor ....................................................... 8
3.2. Power Management IC (ROHM BD71847) ................................................................................ 10
3.2.1. ROHM BD71847 Reset Signal ............................................................................................ 10
3.3. Memory ....................................................................................................................................... 11
3.4. eMMC Storage ........................................................................................................................... 11
3.5. Wi-Fi/Bluetooth ........................................................................................................................... 12
3.6. Atheros AR8035 Gigabit LAN ..................................................................................................... 15
3.7. JTAG........................................................................................................................................... 17
4. FLEX Compute Module Pin Assignment ........................................................................................... 18
5. FLEX-IMX8M-Mini External Interfaces .............................................................................................. 27
5.1. Ethernet ...................................................................................................................................... 27
5.2. MIPI Display ............................................................................................................................... 28
5.3. MIPI Camera .............................................................................................................................. 30
5.4. Audio Interface ........................................................................................................................... 32
5.5. PCI Express ................................................................................................................................ 34
5.6. Universal Serial Bus (USB) Interface ......................................................................................... 35
5.7. SDIO/MMC Interface .................................................................................................................. 37
5.8. Universal Asynchronous Receiver/Transmitter (UART) Interface .............................................. 38
5.9. Serial Peripheral Interface (SPI) ................................................................................................. 40
2
5.10. I C Bus ...................................................................................................................................... 41
2
5.10.1. I C Bit Bang Interface ........................................................................................................ 41
5.11. General Purpose Input / Output (GPIO) ................................................................................... 42
5.12. Pulse Width Modulation (PWM) ............................................................................................... 43
5.13. Manufacturing and Boot Control ............................................................................................... 44
5.13.1. eMMC Boot Mode .............................................................................................................. 44
5.13.2. Serial Downloader Boot Mode ........................................................................................... 44
5.13.3. SD Card Boot Mode ........................................................................................................... 44
5.14. Input Power Requirements ....................................................................................................... 45
5.14.1. Reference and Output Power ............................................................................................ 45
6. Ordering Information ......................................................................................................................... 46
6.1. FLEX Compute Module Product Ordering Part Numbers .......................................................... 46
6.2. Custom Part Number Rule ......................................................................................................... 46

TABLE OF CONTENTS

Page 3 of 48