ADuCM355 Arduino Interposer
Description
The Arduino interface can be found on many microprocessor development platforms and are a great
way to begin prototyping a design. The EVAL-M355-ARDZ-INT was developed to enable quick and
easy connection of the ADuCM355 based sensor boards to the EVAL-ADICUP3029 development
board or any equivalent Arduino MCU controller boards. This allows for testing the functionality as
well as the performance of the circuit using a controlled evaluation environment.
Product Overview
ADuCM355 base Sensor Shield Board Interface Connectors:
Arduino Shield Board Interface Connectors:
Pictured above is the EVAL-M355-ARDZ-INT interposer board which was developed to quickly and
easily connect ADICUP3029 development board or any equivalent Arduino MCU controller boards.
EVAL-M355-ARDZ-INT Sensor Connector
The EVAL-M355-ARDZ-INT takes customized connectors to the ADuCM355 sensor surf boards,
and allows up to four channels of sensor boards to be used with the EVAL-ADICUP3029 platform.
Because the ADICUP3029 is an Arduino form factor compatible development board, many other
equivalent Arduino form factor compatible development board can also be used simply by writing
custom code. Below is the pinout of the custom connector of the sensor surf boards.
EVAL-M355-ARDZ-INT Power Rails
EVAL-M355-ARDZ-INT provides 3.3V power supply to an ADuCM355 base sensor shield board
modules from ADICUP3029 development board or any equivalent Arduino MCU controller boards.
Switch Matrix
Digital Communication Interfaces Supported
The EVAL-M355-ARDZ-INT can accommodate up to four ADuCM355 sensor surf board at the same
time. The software and hardware support communications via:
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SPI - Available on P7 and P9
I2C - Available on P7
UART - Available on P8
Arduino shield boards follow a standard pinout for the Arduino form factor compatible development
boards.
SWD/JTAG Connector
The debugger from the ADICuP3029 can be used and can be linked to the interposer board through
the SWD_DEBUG (P10). The user can use a standard 10-pin ARM JTAG/SWD ribbon cable to
connect to the ADICuP3029 debugger to the interposer board.
There is a way to cut the SWD traces on the ADICUP3029 board right at the break away section of
the board. By cutting the trace for the SWD_DIO, SWD_CLK and SWD_RST located near P12.
There are two(2) traces on the top of the board that must be cut using a knife, and one(1) trace
found at the bottom of ADICUP3029 (the outter most trace), This allows customers to program both
the ADICUP3029 and M355-INT boards without losing the ability to stream serial data back to the
USB port.
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Debug/Programming Channel Selector for ADuCM355
Sensor Surf Boards
The EVAL-M355-ARDZ-INT can accommodate up to four ADuCM355 sensor surf board and
communicate to these boards at the same time through SPI communication protocol. Debugging and
programming is being done independently for each channel by configuring the following switch
matrix labeled SWD_DEBUG_CH_SW (S1) found on the silkscreen of the interposer board and with
a corresponding LED indicator of which senor board is being accessed.
SWD_DEBUG_CH_SW
LED
CH1
DS1
CH2
DS2
CH3
DS3
CH4
DS4
Digital Communication Protocol Selector
By default the ADuCM355 sensor surf boards come preloaded with SPI communication protocol
back to the ADICUP3029.
Sensor shield board can also communicated either through UART or I2C depending on the firmware
loaded on the sensor surf board and on the switch (S2) located on the EVAL-M355-ARDZ-INT.
It's important that the software and the hardware are set to the same digital communication protocol,
so you receive and display data.
Hardware Setup Procedure
If you are using the ADICUP3029 development board with the EVAL-M355-ARDZ-INT adaptor
board, please use the following setup procedure:
1. Set the SWD_DEBUG_CH_SW(S1) of EVAL-M355-ARDZ-INT initially at CH1
2. Set the UART switch(S2) on the EVAL-ADICUP3029 to the “USB” position in order to stream
data back to the serial terminal.
3. Place EVAL-M355-ARDZ-INT on top of the EVAL-ADICUP3029
4. Placed on the desired number of ADuCM355 sensor daughter board on top of the interposer
board (up to 4)
5. Plug in EVAL-ADICUP3029 into USB port of computer using the micro USB cable. (You may
need to wait for the ADICUP3029 device drivers to install if this is the first time the device
was plugged in.)
ADuCM355 Compatible Boards
Following is a table of current ADuCM355 base Sensor Shield Board offered by Analog Devices, and
will connect to the EVAL-M355-ARDZ-INT adaptor board.
Webpage Application
EVAL-ADICUP3029 Software Available
CN0428 Water Quality
Yes
CN0429 Gas Sensor
Yes
Software Available
EVAL-ADICUP3029 Source Code for CN0428 and CN0429
Schematic, PCB Layout, Bill of Materials
EVAL-M355-ARDZ-INT Design & Integration Files
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Schematics
Bill of Materials
Gerber Files
Assembly Files
End of Document
https://wiki.analog.com/resources/eval/user-guides/circuits-from-the-lab/aducm355_arduino_interposer 12-11-18
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