Digi ConnectCore 8M Mini Quick user guide

ConnectCore 8M Mini
Development Board
Hardware Reference Manual

Revision history—90002455
Revision Date Description
A March 2020 Initial release.
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ConnectCore 8M Mini Development Board Reference Manual 2

ConnectCore 8M Mini Development Board Reference Manual 3
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Contents
About the ConnectCore 8M Mini development board
Features and functionality 5
Placement and connectors 7
Interfaces
Power 12
DC-in connectors 12
Power architecture configuration 12
Coin cell/Supercap 12
Battery connector 13
Power and reset buttons 13
System boot 13
Debug 14
JTAG 14
SWD 14
Console ports 15
USB recovery 15
Communication 16
Gigabit Ethernet 16
RS-485 16
CAN 17
USB Host 17
USB OTG 17
Mini PCIe 17
XBee 18
Multimedia 18
HDMI, LVDS, and MIPI displays 18
MIPI-CSI camera 19
Audio 20
Storage interfaces 21
MicroSD 21
User interfaces 21
User LED 21
User button 21
ConnectCore 8M Mini Development Board Reference Manual 4

About the ConnectCore 8M Mini development board
The Digi ConnectCore 8M Mini Development Board is a system-on-module (SOM) development kit that
streamlines the prototyping of a wide range of industrial and medical applications.
Built on the i.MX 8M Mini processor with power-efficient quad ARM® Cortex®-A53 and Cortex-M4 cores,
Digi ConnectCore 8M Mini combines pre-certified wireless connectivity (802.11 a/b/g/n/ac and
Bluetooth® 5) with Digi TrustFence® and Digi Microcontroller Assist™.
Features and functionality
nPower:
l5 V input power jack connector
lBattery connector
lCoin cell connector
lOn-board supercap supporting RTC functionality
lPower and reset buttons
nBoot source configuration: eMMC, USB, microSD
nDebug:
lStandard IEEE 1149.1 JTAG interface
lSingle Wired Debug (SWD) interface for the on-module Digi Microcontroller Assist™ (MCA)
lUSB console
lUSB for system-on-module recovery
nMultimedia:
lHDMI display*.
lLVDS display with backlight control and I2C touch interface*.
lMIPI-DSI*.
lMIPI-CSI camera supporting two data lanes. Two additional data lanes are available in the
expansion connector.
nStorage:
lMicroSD card slot
nCommunication:
lGigabit Ethernet 10/100/1000 with RJ-45 connector
lx2 USB host (dual type-A)
lUSB OTG on micro AB-type connector
ConnectCore 8M Mini Development Board Reference Manual 5

About the ConnectCore 8M Mini development board Features and functionality
ConnectCore 8M Mini Development Board Reference Manual 6
lx5 GPIOs
lCAN FD (through SPI interface)
lRS-485
lPCI Express Mini Card slot supporting half- and full-size cards, with USB, PCIe and Micro-
SIM connection.
lAudio interfaces:
ox1 3.5 mm headphone jack
ox1 3.5 mm microphone jack
ox2 speaker outputs
ox1 line-out output
ox2 line-in inputs
lx2 XBee sockets, one supporting XBee cellular
lx2 SMA antenna connectors, one for the on-module antenna and another for the Mini PCIe
card
nUser interfaces:
lx2 user buttons
lx3 user LEDs
nDimensions:
l210 x 130 mm
Note * Only one display interface can be enabled at a time.

About the ConnectCore 8M Mini development board Placement and connectors
ConnectCore 8M Mini Development Board Reference Manual 7
Placement and connectors

About the ConnectCore 8M Mini development board Placement and connectors
ConnectCore 8M Mini Development Board Reference Manual 8
Connector Interface Manufacturer Manufacturer Part Number
J1 5 V power-in jack Bobbintron SCD443CCS011B00G
J2 Alternative 5 V power-in TE Connectivity 640456-2
J3 MCA power consumption - -
J4 Coin-cell Molex 53047-0210
J5 Battery connector TE Connectivity 640456-2
J6 SOM power consumption - -
J7 3V3 DVK power consumption - -
J8 1V8 DVK power consumption - -
J9 Debug - -
J10 u.FL antenna connector Hirose U.FL-R-SMT(10)
J11 SMA antenna connector Bobbintron SMA A700T
J12 Wireless MAC JTAG Samtec FTSH-105-01-F-DV

About the ConnectCore 8M Mini development board Placement and connectors
ConnectCore 8M Mini Development Board Reference Manual 9
Connector Interface Manufacturer Manufacturer Part Number
J13 u.FL antenna connector Hirose U.FL-R-SMT(10)
J14 SMA antenna connector Bobbintron SMA A700T
J15 u.FL antenna connector Hirose U.FL-R-SMT(10)
J16 Console (USB) Kycon KMMX-ABSMT5SG-30TR
J17 Console (TTL) - -
J18 MicroSD Amphenol GTFP08431BEU
J19 Mini PCIe Foxconn AS0B226-S68N-7F
J20 i.MX8M JTAG Samtec FTSH-105-01-F-DV
J21 MicroSIM Molex 78727-0001
J22 MCA SWD Samtec FTSH-105-01-F-DV
J23 CAN termination resistor - -
J24 CAN Samtec TSW-104-14-G-S
J25 RS485 termination resistor - -
J26 RS485 Samtec TSW-104-14-G-S
J27 Ethernet Xmultiple XMG-J1B2211NPA-1-DIG
J28 MIPI camera extension - -
J29 MIPI camera Amphenol SFW15S-2STE1LF
J30 MIPI display Amphenol SFW15S-2STE1LF
J31 HDMI Adam Tech HDMI-S-RA-TSMT
J32 LVDS Hirose DF14A-20P-1.25H(25)
J33 USB Host Excel Cell Electronic ESB01211000Z
J34 USB OTG Kycon KMMX-ABSMT5SG-30TR
J35 USB recovery Kycon KMMX-ABSMT5SG-30TR
J36 Force USB recovery - -
J37 Microphone input CUI Devices SJ1-3533NG
J38 Headphones output CUI Devices SJ1-3533NG
J39-J40 XBee Cellular Samtec SMM-110-02-F-S-P-TR
J41-J42 XBee user Samtec SMM-110-02-F-S-P-TR
J43 Control signals - -

About the ConnectCore 8M Mini development board Placement and connectors
ConnectCore 8M Mini Development Board Reference Manual 10
Connector Interface Manufacturer Manufacturer Part Number
J44 Wireless signals - -
J45 UARTs - -
J46 GPIOs - -
J47 SAI1 - -
J48 I2C - -
J49 Wireless signals - -
J50 Clocks - -
J51 SMA antenna connector Bobbintron SMA A700T
J52 Power rails - -
J53 Audio - -
J54 Supercap