Difference between pages "File:Ch2-Fast-NPNBuffer-InRise.png" and "I2CIO-8"

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[[File:tindie-mediums.png|link=https://www.tindie.com/products/land_boards/i2c-demo-board-mcp23008-i2cio-8/?pt=ac_prod_search]]
  
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<video type="youtube">omUSJpGLv4A</video>
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[[File:I2CIO-8_X2-6000-640px.jpg]]
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== Features ==
 +
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* 8 bits of Digital I/O
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* I2C interface
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* [https://ww1.microchip.com/downloads/en/DeviceDoc/21919e.pdf MCP23008] - 8-Bit I/O Expander with I2C Interface
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* Base address = 0x20
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* Address offset jumpers (0-7)
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* Interrupt pin on I2C connectors
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* Interrupt LED
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* I2C Daisy-chain connectors
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* 4 input (or output) jumpers
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* 4 LEDs
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* 2.7V to 5.5V
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* 49x49mm form factor
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* (4) #4-40 mounting holes
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== Drivers/Example Code ==
 +
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Extensive Driver Support for Arduino, Raspberry Pi, MicroPython, ESP-32, Blue Pill Board, Cypress PSoC
 +
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* [https://github.com/land-boards/lb-Arduino-Code/tree/master/libraries/LandBoards_I2CIO8 Github repo] - Arduino Driver code
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* [https://github.com/land-boards/lb-Arduino-Code/tree/master/LBCards/I2CIO8 Github repo] - Arduino Example code
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* [https://github.com/land-boards/lb-Python-Code/tree/master/MicroPython/ESP32/libraries/I2CIO8 Github repo] -  MicroPython Driver
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== Factory Acceptance Test ==
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=== Test Station Theory of Operations ===
 +
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* Test Station controls the I2C interface on the UUT
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* Three tests
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** Internal Test
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** External Loopback Test
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** Bounce an LED Test
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=== Test Station Set-up ===
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* Uses [[Arduino_Based_Test_Station|ODAS Test Station V2]]
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* Ribbon cable sets
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** Loopback cable Connector
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** [[LED-32]] cable
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* Unit Under Test (UUT)
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* Attach Host Computer USB to the Arduino NANO on the Test Station
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* Run puTTY on the Host Computer
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** 9600 baud
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=== Card Selection ===
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* puTTY will display the menu
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<pre>
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Checking if EEPROM is present on UUT...EEPROM is not present on UUT
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Count of I2C devices in range 0x20-0x27 on UUT = 1
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Detected MCP23008
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Select the board type (Other)
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1 - I2CIO8 board
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2 - I2CIO8X board
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Select board >
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</pre>
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* Select 1
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<pre>
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Init I2CIO-8 card
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C=Card Tests, D=Direct, E=EEPROM, I=access Internal DIGIO32
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</pre>
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=== Running Loopback Card Test ===
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* Use loopback cable
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* Select Card Tests = "C"
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* Select Run Tests = "T"
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* Observe test results
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<pre>
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L=Loop/S=Single, T=Test, B=Bounce LEDs, I=UUT Int'l Test, X=eXit sub-menu
 +
Testing UUT = I2CIO-8
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Test PASS = 1, FAIL = 0
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</pre>
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* Hit ENTER to display menu
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<pre>
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L=Loop/S=Single, T=Test, B=Bounce LEDs, I=UUT Int'l Test, X=eXit sub-menu
 +
</pre>
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 +
=== Running Internal Tests ===
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* Remove loopback cable
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* Select Card Tests = "C"
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* Select Run Tests = "I"
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* Observe test results
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<pre>
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L=Loop/S=Single, T=Test, B=Bounce LEDs, I=UUT Int'l Tests, X=eXit sub-menu
 +
UUT Internal card tests
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Test PASS = 2, FAIL = 0
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</pre>
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* Hit ENTER to display menu
 +
<pre>
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L=Loop/S=Single, T=Test, B=Bounce LEDs, I=UUT Int'l Test, X=eXit sub-menu
 +
</pre>
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=== Running Blink LED Test ===
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* Select Card Tests = "C"
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* Select Run Tests = "B"
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* Observe LEDs scanning on the 4 LEDs on the card
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<pre>
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L=Loop/S=Single, T=Test, B=Bounce LEDs, I=UUT Int'l Test, X=eXit sub-menu
 +
Bounce a bit across outputs
 +
Bouncing LEDs I2CIO8 - any key to stop
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</pre>
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* Hit ENTER to display the menu
 +
<pre>
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Finished bouncing LEDs
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</pre>
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=== Reference ===
 +
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* [[Arduino Based Test Station]]
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* [https://github.com/land-boards/lb-Arduino-Code/tree/master/LBCards/ODAS/ODASTESTER ODAS Tester Github Repo]
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== Assembly Sheet ==
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* [[I2CIO8-X Assembly Sheet]]

Revision as of 20:18, 21 March 2022

Tindie-mediums.png

I2CIO-8 X2-6000-640px.jpg

Features

  • 8 bits of Digital I/O
  • I2C interface
  • MCP23008 - 8-Bit I/O Expander with I2C Interface
  • Base address = 0x20
  • Address offset jumpers (0-7)
  • Interrupt pin on I2C connectors
  • Interrupt LED
  • I2C Daisy-chain connectors
  • 4 input (or output) jumpers
  • 4 LEDs
  • 2.7V to 5.5V
  • 49x49mm form factor
  • (4) #4-40 mounting holes

Drivers/Example Code

Extensive Driver Support for Arduino, Raspberry Pi, MicroPython, ESP-32, Blue Pill Board, Cypress PSoC

Factory Acceptance Test

Test Station Theory of Operations

  • Test Station controls the I2C interface on the UUT
  • Three tests
    • Internal Test
    • External Loopback Test
    • Bounce an LED Test

Test Station Set-up

  • Uses ODAS Test Station V2
  • Ribbon cable sets
    • Loopback cable Connector
    • LED-32 cable
  • Unit Under Test (UUT)
  • Attach Host Computer USB to the Arduino NANO on the Test Station
  • Run puTTY on the Host Computer
    • 9600 baud

Card Selection

  • puTTY will display the menu
Checking if EEPROM is present on UUT...EEPROM is not present on UUT
Count of I2C devices in range 0x20-0x27 on UUT = 1
Detected MCP23008
Select the board type (Other)
1 - I2CIO8 board
2 - I2CIO8X board
Select board >
  • Select 1
Init I2CIO-8 card
C=Card Tests, D=Direct, E=EEPROM, I=access Internal DIGIO32

Running Loopback Card Test

  • Use loopback cable
  • Select Card Tests = "C"
  • Select Run Tests = "T"
  • Observe test results
L=Loop/S=Single, T=Test, B=Bounce LEDs, I=UUT Int'l Test, X=eXit sub-menu
Testing UUT = I2CIO-8
Test PASS = 1, FAIL = 0
  • Hit ENTER to display menu
L=Loop/S=Single, T=Test, B=Bounce LEDs, I=UUT Int'l Test, X=eXit sub-menu

Running Internal Tests

  • Remove loopback cable
  • Select Card Tests = "C"
  • Select Run Tests = "I"
  • Observe test results
L=Loop/S=Single, T=Test, B=Bounce LEDs, I=UUT Int'l Tests, X=eXit sub-menu
UUT Internal card tests
Test PASS = 2, FAIL = 0
  • Hit ENTER to display menu
L=Loop/S=Single, T=Test, B=Bounce LEDs, I=UUT Int'l Test, X=eXit sub-menu

Running Blink LED Test

  • Select Card Tests = "C"
  • Select Run Tests = "B"
  • Observe LEDs scanning on the 4 LEDs on the card
L=Loop/S=Single, T=Test, B=Bounce LEDs, I=UUT Int'l Test, X=eXit sub-menu
Bounce a bit across outputs
Bouncing LEDs I2CIO8 - any key to stop
  • Hit ENTER to display the menu
Finished bouncing LEDs

Reference

Assembly Sheet

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