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© 2019 NXP B.V.
i.MX 8M Mini LPDDR4 EVK Board Hardware
User's Guide
1. Introduction
This document is a hardware user’s guide for the i.MX
8M Mini LPDDR4 Evaluation Kit (EVK) based on the
NXP Semiconductors’ i.MX 8M Mini applications
Processor. This board is fully supported by NXP
Semiconductors. This manual includes system setup and
configurations and provides detailed information about
the overall design and usage of the EVK board from a
hardware system perspective.
1.1. Board overview
The LPDDR4 EVK board is a platform designed to
show the most commonly used features of the i.MX 8M
Mini applications processor in a small and low-cost
package. The i.MX 8M Mini LPDDR4 EVK board is an
entry-level development board, which helps you to
become familiar with the processor before investing a
large amount of resources into more specific designs.
Table 1 lists the features of the i.MX 8M Mini
LPDDR4 EVK board.
NXP Semiconductors
Document Number: IMX8MMEVKHUG
User's Guide
Rev. 1
,
05/2019
Contents
1. Introduction ......................................................................... 1
1.1. Board overview ........................................................ 1
1.2. Board contents ......................................................... 2
2. Specifications ...................................................................... 2
2.1. Processor .................................................................. 5
2.2. Boot mode and boot device configurations ............. 5
2.3. Power tree ................................................................ 9
2.4. LPDDR4 DRAM memory ..................................... 10
2.5. eMMC memory (U4) ............................................. 10
2.6. QSPI Nor Flash (U5) ............................................. 11
2.7. SD card slot (J701) ................................................ 11
2.8. MIPI-CSI and MIPI-DSI connectors (J802, J801) 11
2.9. Ethernet connector (J501) ...................................... 11
2.10. USB connectors (J301, J302) ................................ 11
2.11. Wi-Fi/Bluetooth (U6) ............................................ 12
2.12. Audio line output (J401) ........................................ 12
2.13. Audio card connector (J1001) ............................... 12
2.14. JTAG connector (J902).......................................... 12
2.15. USB-UART connector (J901) ............................... 12
2.16. M.2 connector (J601) ............................................. 13
2.17. Expansion connector (J1003) ................................ 13
2.18. I
2
C connector (J1004) ............................................ 14
2.19. User interface buttons ............................................ 14
2.20. User interface LED indicators ............................... 14
3. PCB information ............................................................... 16
3.1. EVK design files .................................................... 17
4. Errata ................................................................................. 17
5. Revision history ................................................................ 17

Specifications
i.MX 8M Mini LPDDR4 EVK Board Hardware User's Guide, User's Guide, Rev. 1, 05/2019
2 NXP Semiconductors
Table 1. Board features
Processor
NXP Applications Processor
MIMX8MM6DVTLZAA
DRAM memory
Micron 2 GB LPDDR4
MT53D512M32D2DS-053 WT:D
Mass storage
SanDisk 16 GB eMMC5.1
SDINBDG4-16G-I
Micron 32 MB QSPI NOR
MT25QU256ABA1EW7-0SIT
MicroSD card connector
SD3.0 supported
Power
ROHM PMIC BD71847 + Discrete DCDC/LDO
Camera
CSI interface (Mini-SAS connector)
Display interface
DSI interface (Mini-SAS connector)
Ethernet
1 GB Ethernet with RJ45 connector
USB
2x USB (2.0) type-C connector, only Port2 can be used as the power input
Wi-Fi/Bluetooth
1x on-board Wi-Fi/Bluetooth module, 802.11b/g/n/ac, BT4.1
Audio connectors
3.5 mm stereo line output, 2 Vrms
FPC connector (SAI ports) for audio card
Debug connectors
JTAG (10-pin header)
MicroUSB for UART debug, two COM ports for A53 and M4
M.2 connector
1x M.2 slot (KEY-E type), support PCIE2.0, I
2
C interfaces
Expansion connector
40-pin dual-row pin header for I
2
S, UART, I
2
C, and GPIO expansion
I
2
C connector
8-pin dual-row pin header for I
2
C expansion
Buttons
ON/OFF, RESET
LED indicators
Power status, UART
PCB
8MMINILPD4-CPU: 2-inch x 2-inch, 8-layer
8MMINI-BB: 4-inch x 4.2-inch, 8-layer
1.2. Board contents
The i.MX 8M Mini LPDDR4 EVK contains these items:
• i.MX 8M Mini LPDDR4 EVK board, assembled from two separate boards: 8MMINILPD4-CPU
(SOM board) and 8MMINI-BB (base board)
• IMX-MIPI-HDMI accessory card, MIPI-DSI-to-HDMI adapter board
• USB type-C 45-W power delivery supply, 5 V/3 A, 9 V/3 A, 15 V/3 A, 20 V/2.25 A supported
• Mini-SAS cable, 8" mini-SAS cable
• USB type-C cable, cable – assembly, USB 3.0, type-C male to type-A male
• USB micro-B cable, cable – assembly, USB 2.0, type-A male to micro-B male
• USB type-C-to-A adapter, adapter – USB 3.0, type-C male to type-A female
• Quick start guide
2. Specifications
This section provides detailed information about the electrical design and practical considerations on the
LPDDR4 EVK board. Figure 1 describes each block in the high-level block diagram of the LPDDR4
EVK board.

Specifications
i.MX 8M Mini LPDDR4 EVK Board Hardware User's Guide, User's Guide, Rev. 1, 05/2019
4 NXP Semiconductors
Figure 2. i.MX 8M Mini LPDDR4 EVK board overview
CAUTION
Type-C port 2 is the only power supply port and it must be always
supplied for the system to run.
i.MX 8M Mini EVK is not a typical use case of the PD device. It is
supplied by the PD charger only, but with a power switch. When the
switch is OFF for more than 5.5 seconds after adapting the PD charger, the
charger (source) re-powers the EVK (sink) after the system initiates the
PD software. See section 6.5.7 in the Universal Serial Bus Power Delivery
Specification Revision 2.0 document. There are two ways to avoid
re-powering:
• The power switch must always be in the ON position before attaching the PD charger.
• Change the software to disable the PD function and make it type-C supply only.
8MMINILPD4-CPU
8MMINI-BB
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