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== Serial Communication/GPIO header (J303) ==
 
== Serial Communication/GPIO header (J303) ==

Revision as of 14:44, 1 February 2021

VisionCB-8M-ADV v.1.1 Datasheet and Pinout


General description

VisionCB-8Mmini-ADV-v11.png

VisionCB-8M-ADV is a carrier board for the VisionSOM-8Mmini family of computer-on-modules which are powered by NXP SOC iMX8Mmini (quad core ARM Cortex-A53+ single Cortex-M4). A carrier board, together with a System on Module (SoM), makes a complete development platform similar to SBC. The carrier board houses the most common interfaces such as USB, Ethernet, PCIe, etc. A large variety of interfaces allows to use it as both a complete development platform or as a stand-alone end-product. The carrier board connects with the SoM via a standard SODIMM connector. VisionCB-8M-ADV carrier board is equipped with HDMI/LVDS and MIPI-DSI video outputs, 24-bit audio codec, PCIe (M.2 key M) socket (2242, 2260, 2280), on-board RTC with battery socket, RS-485 and CAN FD interfaces. VisionCB-8M-ADV carrier board is equipped with Segger J-Link debugger and Linux serial console port on USB vCOM.

Applications

  • Multimedia
  • Video streaming
  • Industrial embedded Linux computer
  • Home Appliances
  • Home Automation – Smart Home
  • Human-machine Interfaces (HMI)
  • Point-of-sales (POS) terminals
  • Cash Register
  • 2D barcode scanners and printers
  • IoT gateways
  • Residential getaways
  • Machine vision equipment
  • Robotics
  • Fitness/outdoor equipment

Features

  • Carrier Board (Base Board) compatible with the VisionSOM-8Mini family of modules based on quad core, heterogenous NXP iMX8Mmini application processors
  • SoM Interface: SODIMM200
  • Debug Interface: built-in Segger J-Link JTAG debugger
  • Expansion Connectors:
    • Serial communication/GPIO connector 2x8 Pin Header (Male)
    • MicroSD card socket
  • Communication Connectors:
    • PCIe (single lane, M.2 key M socket)
    • RS-485 (simplex, 3 pin 2.54mm connector)
    • CAN FD (3 pin 2.54mm connector)
    • 1x Ethernet 10/100/1000Mbit/s, RJ45
    • 1x USB Host Type A connectors
    • 1x USB OTG Micro AB connector
    • 1x Console MicroUSB B connector
  • Display Interface:
    • HDMI (muxed with MIPI-DSI)
    • LVDS (20 pin 2.54 mm, muxed with MIPI-DSI)
    • 30-pin FFC/FPC MIPI-DSI (up to 4 lanes)
  • Camera Interface:
    • 30-pin FFC/FPC MIPI-CSI2 (up to 4 lanes)
  • User Interface:
    • 24-bit audio codec
    • Line and microphone inputs
    • Speaker and headphone outputs
    • 4+2 Pushbuttons
    • 4+2+3 LEDs
  • Built-in RTC with battery socket
  • External Power Supply 9-12V DC
  • Temperature Range: 0 to +70°C
  • Board Size: 160mm x 100mm x 18mm

Pictures of VisionCB-8M-ADV v1.1 board

Version Photo
VisionCB-8M-ADV v1.1 board only
VisionCB-8Mmini-ADV-v11.png
VisionCB-8M-ADV v1.1 with VisionSOM-8Mmini
Visioncb-8Mmini-ADV-v11-SOM.png
VisionCB-8M-ADV v1.1 with VisionSOM-8Mmini
and M.2 SSD drive
Visioncb-8Mmini-ADV-v11-SOM-M2.png

Ordering info

VisionCB-8M-ADV v1.1

Block Diagram

Visioncb-8Mmini-ADV-blokowy.png

Electrical parameters

Parameter Value Units Comment
Min. Typ. Max.
Power Supply 9.0 12.0 15.0 V Positive pole on central connector of J400
Supply current - - 0.65 A Excluding LCD, USB and antoher external loads
LCD/Camera Power Supply (logic) 3.25 3.3 3.35 V -
LCD/Camera Power Supply (backlight and aux) 4.85 5 5.1 V -
Arudino GPIO voltage 3.3/5 V Selected by V-ARD jumper

M.2 socket - key M (PCIe interface, J100)

VisionCB-8Mmini-ADV-PCIM2.png
MPU GPIO line MPU GPIO group M.2 line
IO11 GPIO4 PEWAKE#
IO12 GPIO4 CLKREQ#
IO13 GPIO4 PERST#
IO14 GPIO4 DEVSLP

Note:
1. IO[14..11] are used optionally.
2. PCIe is single lane interface.
3. M.2 socket is key M type.
4. By default CONFIG[3..0]=1111b.

Camera MIPI-CSI interface (J301, FPC/FFC 0.5mm)

VisionCB-8Mmini-ADV-MIPICSI.png
Pin Signal MPU pin Description
1 GND - -
2 CSI-CLK-P - -
3 CSI-CLK-P - -
4 GND - -
5 CSI-DATA0-P - -
6 CSI-DATA0-N - -
7 GND - -
8 CSI-DATA1-P - -
9 CSI-DATA1-N - -
10 GND - -
11 CSI-DATA2-P - -
12 CSI-DATA2-N - -
13 GND -
14 CSI-DATA3-P - -
15 CSI-DATA3-N - -
16 GND - -
17 I2C1-SCL E9 Confguration I2C interface with 4.7kOhm pull-up (3.3V)
18 I2C1-SDA F9 Confguration I2C interface with 4.7kOhm pull-up (3.3V)
19 GND - -
20 RES AG19 GPIO4-IO08 (SAI1-RXD6)
21 PWRDN AF19 GPIO4-IO09 (SAI1-RXD7)
22 - - -
23 GND - -
24 +3.3V - Power supply for external devices
25 +3.3V - Power supply for external devices
26 +5V - Power supply for external devices
27 +5V - Power supply for external devices
28 - - -
29 - - -
30 GND - -

Note:
1. 1st pin of J301 connector is at the top of the image.
2. The I2C1 interface is common to MIPI-CSI interface and audio codec.

Display MIPI-DSI interface (J900, FPC/FFC 0.5mm)

VisionCB-8Mmini-ADV-MIPIDSI.png
Pin Signal MPU Pin Description
1 GND - -
2 DSI-CLK-P - -
3 DSI-CLK-P - -
4 GND - -
5 DSI-DATA0-P - -
6 DSI-DATA0-N - -
7 GND - -
8 DSI-DATA1-P - -
9 DSI-DATA1-N - -
10 GND - -
11 DSI-DATA2-P - -
12 DSI-DATA2-N - -
13 GND -
14 DSI-DATA3-P - -
15 DSI-DATA3-N - -
16 GND - -
17 I2C2-SCL D10 Display confguration I2C interface with 4.7kOhm pull-up (3.3V)
18 I2C2-SDA D9 Display confguration I2C interface with 4.7kOhm pull-up (3.3V)
19 GND - -
20 GPIO5-IO22 E14 MIPI-DSI display reset signal
(common with MIPI-DSI>HDMI/LVDS bridge)
21 GPIO5-IO23 F13 Optional touch-panel interrupt signal
muxed with MIPI-DSI>HDMI/LVDS bridge (with 47k pull-up)
22 SPDIF-TX AF9 Optional touch-panel controller reset
23 GND - -
24 +3.3V - Power supply for external devices
25 +3.3V - Power supply for external devices
26 +5V - Power supply for external devices
27 +5V - Power supply for external devices
28 SPDIF-RX AG9 Optional backlight intensity PWM controller
29 SPDIF-CLK AF8 Optional backlight enable
30 GND - -

Note:
1. 1st pin of J900 connector is at the top of the image.
2. For configuration purposes is used I2C2 interface.
3. MIPI-DSI interface is muxed with J901 (DISP MUX) between J900 (raw MIPI-DSI output) and HDMI/LVDS converter.
4. The I2C2 interface is common to onboard RTC, HDMI-DDC, LT8912B bridge configuration and MIPI-DSI display controller.

HDMI and LVDS display interface

VisionCB-8Mmini-ADV-HDMI-11.png

The VisionCB-8M-ADV board is equipped with MIPI-DSI > HDMI/LVDS hardware bridge (converter) based on Lontium LT8912B.
HDMI signals are available on standard HDMI connector (marked as HDMI), LVDS signals are connected to 20 pin 2.54mm 2 row connector (marked as LVDS).
The VisionCB-8M-ADV board is equipped with jumper (DISP MUX) for selecting displays: MIPI-DSI or HDMI/LVDS.

Signals provided to LT8912B
Signal MPU Pin Description
DSI-CLK-P - Signal provided to LT8912B by mux (DISP MUX, J901)
DSI-CLK-P - Signal provided to LT8912B by mux (DISP MUX, J901)
DSI-DATA0-P - Signal provided to LT8912B by mux (DISP MUX, J901)
DSI-DATA0-N - Signal provided to LT8912B by mux (DISP MUX, J901)
DSI-DATA1-P - Signal provided to LT8912B by mux (DISP MUX, J901)
DSI-DATA1-N - Signal provided to LT8912B by mux (DISP MUX, J901)
DSI-DATA2-P - Signal provided to LT8912B by mux (DISP MUX, J901)
DSI-DATA2-N - Signal provided to LT8912B by mux (DISP MUX, J901)
DSI-DATA3-P - Signal provided to LT8912B by mux (DISP MUX, J901)
DSI-DATA3-N - Signal provided to LT8912B by mux (DISP MUX, J901)
HDMI-DETECT AB19 GPIO4-IO10 (SAI1_MCLK)
HDMI-INT F13 GPIO5-IO23, signal connected to LT8912B by mux (DISP MUX, J901)
HDMI-RES E14 GPIO5-IO22 (common with MIPI-DSI reset line)
I2C2-SCL D10 Display confguration I2C interface with 4.7kOhm pull-up (3.3V)
I2C2-SDA D9 Display confguration I2C interface with 4.7kOhm pull-up (3.3V)
SPDIF-TX AF9 Audio output, signal provided to LT8912B by mux (DISP MUX, J901)

Note:
1. The I2C2 interface is common to onboard RTC, HDMI-DDC, LT8912B bridge configuration and MIPI-DSI display controller.
2. MIPI-DSI interface is muxed with J901 (DISP MUX) between J900 (raw MIPI-DSI output) and HDMI/LVDS converter.

VisionCB-8Mmini-ADV-LVDS.png
LVDS (J902) connector
J902 Pin Signal MPU pin
1 +5V power supply for external devices -
2 +5V power supply for external devices -
3 GPIO4-IO28 AG8 (SAI3-RXFS, optional use)
This pin is connected as GPIO to SERIAL COMM connector J303
4 GPIO4-IO29 AG7 (UART2-CTS, optional use)
This pin is connected as GPIO to SERIAL COMM connector J303
5 GND -
6 GND -
7 D0n -
8 D0p -
9 D1n -
10 D1p -
11 D2n -
12 D2p -
13 GND -
14 GND -
15 CLKn -
16 CLKp -
17 D3n -
18 D3p -
19 I2C2-SCL, confguration I2C interface with 4.7kOhm pull-up (3.3V) D10
20 I2C2-SDA, confguration I2C interface with 4.7kOhm pull-up (3.3V) D9

Note:
1. 1st pin of J902 connector (LVDS) is marked with arrow.
2. The I2C2 interface is common to onboard RTC, HDMI-DDC, LT8912B bridge configuration and MIPI-DSI display controller.

USB Console Port and Segger J-Link debugger

VisionCB-8Mmini-ADV-JLINK.png
MPU Port GPIO Description
CONSOLE-TXD UART4-TXD Signal connected to J304 pin 2
CONSOLE-RXD UART4-RXD Signal connected to J304 pin 3

Notes:
1. Linux console port (UART4 in MPU) uses vCOM interface provided by built-in debugger Segger J-Link.
2. vCOM can be disconnected from MPU with JP801 (jumper CON in position ON or OFF).
3. Lines TXD and RXD of UART4 are easy to monitoring thanks to using J304 gold-pins.
4. Debug JTAG interface can be disconnected from MPU with JP801 (jumper J-LINK in position ON or OFF).
5. J-Link activity is monitored with ACT LED.

MicroSD card interface (J308)

VisionCB-8Mmini-ADV-SDcard.png


Card connector pin SD card signal SOM pin
1 DATA2 SD1-DATA2
2 DATA3 SD1-DATA3
3 CMD SD1-CMD
4 NVCC-SDIO Voltage selected 1.8/3.3V by SD1 driver
5 CLK SD1-CLK
6 GND -
7 DATA0 SD1-DATA0
8 DATA1 SD1-DATA1
9 CARD-DETECT SD1-CD

24-bit stereo audio codec

VisionCB-8Mmini-ADV-CODEC.png


The VisionCB-8M-ADV board is equipped with 24-bit stereo codec - Nuvoton NAU88C22YG - with integrated audio amplifier.
The NAU88C22 is a low power, high quality CODEC for portable and general purpose audio applications. In addition to precision 24-bit stereo ADCs and DACs, NAU88C22YG integrates a broad range of additional functions to simplify implementation of complete audio system solutions. The NAU88C22 includes drivers for speaker, headphone, and differential or stereo line outputs, and integrates preamps for stereo differential microphones,significantly reducing external component requirements.

Signal MPU pin Description
SAI3-MCLK AD6 Codec master clock
SAI3-TXC AG6 Codec BCLK line
SAI3-TXFS AC6 Codec FS line
SAI3-TXD AF6 Codec input line
SAI3-RXD AF7 Codec output line
I2C1-SCL E9 Confguration I2C interface with 4.7kOhm pull-up (3.3V)
I2C1-SDA F9 UConfguration I2C interface with 4.7kOhm pull-up (3.3V)

Note:
1. The I2C1 interface is common to MIPI-CSI interface and audio codec.

On-board RTC

VisionCB-8Mmini-ADV-RTC.png

The VisionCB-8M-ADV is equipped with on-board RTC module based on NXP PCF85263AT.
The PCF85263A is a CMOS1 Real-Time Clock (RTC) and calendar optimized for low power consumption and with automatic switching to battery on main power loss.
The RTC can also be configured as a stop-watch (elapsed time counter). Three time log registers triggered from battery switch-over as well as input driven events.
Featuring clock output and two independent interrupt signals, two alarms, I2C interface and quartz crystal calibration.
RTC can be powered by an external CR1220 battery (socket J302).

Signal MPU pin Description
I2C2-SCL D10 Communication I2C interface with 4.7kOhm pull-up (3.3V)
I2C2-SDA D9 Communication I2C interface with 4.7kOhm pull-up (3.3V)
GPIO4-IO15 AC6 RTC interrupt line with 4.7kOhm pull-up (3.3V)

Notes:

1. The I2C2 interface is common to onboard RTC, HDMI-DDC, LT8912B bridge configuration and MIPI-DSI display controller.


CAN FD serial interface

VisionCB-8Mmini-ADV-CAN.png


The VisionCB-8M-ADV board is equipped with Microchip CAN FD controller (MCP2518FDT-E/SL) with physical layer interface (MCP2542FD-E/SN).
The MCP2518FD is a cost-effective and small-footprint External CAN FD Controller that can be easily added to a microcontroller with an available SPI interface. Therefore, a CAN FD channel can be easily added to a microcontroller that is either lacking a CAN FD peripheral or that doesn't have enough CAN FD channels.
The MCP2518FD supports both CAN frames in the Classical format (CAN 2.0B) and CAN Flexible Data Rate (CAN FD) format as specified in ISO11898-1:2015.

Signal MPU pin Description
SDO SPI2-MISO SPI2 MISO (MCP2518FDT output)
SDI SPI2-MOSI SPI2 MOSI (MCP2518FDT input)
SCK SPI2-SCK SPI2 clock
CS# SPI2-SS0 Select MCP2518FDT device
INT# GPIO4-IO16 Interrupt from MCP2518FDT

Serial Communication/GPIO header (J303)

VisionCB-8Mmini-ADV-serialComm.png

Pin numeration, 1st pin of J303 connector SERIAL COMM is marked with arrow (on picture above).

IDC 2x8.png


Pin Default function name Description
1 GND -
2 GND -
3 I2C3-SDA By default: I2C interface with 4.7kOhm pull-up (3.3V)
4 UART2-TXD By default: UART2-TXD or universal GPIO with 3.3V logic levels
5 I2C3-SCL By default: I2C interface with 4.7kOhm pull-up (3.3V)
6 UART2-RXD By default: UART2-RXD or universal GPIO with 3.3V logic levels
7 SPI1-SS0 By default: SPI1-SS0 or universal GPIO with 3.3V logic levels
8 GPIO4-IO28 By default: GPIO4-IO28 or universal GPIO with 3.3V logic levels
Optionally can be used in LVDS channel
9 SPI1-MOSI By default: SPI1-MOSI or universal GPIO with 3.3V logic levels
10 GPIO4-IO29 By default: GPIO4-IO29 or universal GPIO with 3.3V logic levels
Optionally can be used in LVDS channel
11 SPI1-MISO By default: SPI1-MISO or universal GPIO with 3.3V logic levels
12 GPIO4-IO18 By default: GPIO4-IO18 or universal GPIO with 3.3V logic levels
13 SPI1-CLK By default: SPI1-CLK or universal GPIO with 3.3V logic levels
14 GPIO4-IO19 By default: GPIO4-IO19 or universal GPIO with 3.3V logic levels
15 +3.3V +3.3V generated by DC/DC built-in SOM (limited current load)
16 GPIO4-IO17 By default: GPIO4-IO17 or universal GPIO with 3.3V logic levels

Note:
1. 1st pin of J303 connector SERIAL COMM is marked with arrow.

User Interface (switches and LEDs)

VisionCB-8Mmini-ADV-userinterface.png


User switches

Switch GPIO Description
S305 (black, most on the left) GPIO4-IO03 47k pull-up
S304 GPIO4-IO02 47k pull-up
S303 GPIO4-IO01 47k pull-up
S302 (black, most on the right) GPIO4-IO00 47k pull-up


System switches

Switch Signal name Description
S301 (left, red) Reset -
S300 (right) BOOT-RECOVERY -


User LEDs

LED GPIO Description
D303 (most on the left) GPIO4-IO04 User LED1, buffered with inverter
D302 GPIO4-IO05 User LED2, buffered with inverter
D301 GPIO4-IO06 User LED3, buffered with inverter
D300 (most on the right) GPIO4-IO07 User LED4, buffered with inverter


System LEDs

LED GPIO Description
D304 SYS-LED System function monitoring
D305 - Power LED (3.3V)

Dimensions

Visioncb-8Mmini-ADV-dimensions.png
NXP Partner ST Partner Renesas Partner