Difference between revisions of "I2C-RPT-08"

From Land Boards Wiki
Jump to navigation Jump to search
Line 38: Line 38:
  
 
* [[Arduino Based Test Station]]
 
* [[Arduino Based Test Station]]
* Connects directly to I2C port on the [[BLUE-PILL-HUB]]
 
 
** 9600 baud, no hardware handshake
 
** 9600 baud, no hardware handshake
 +
* Uses 8x of [[I2CIO-8]] cards
 +
* On UUT
 
** Install jumpers into A0-A2
 
** Install jumpers into A0-A2
 
*** I2C address offset = 0x0
 
*** I2C address offset = 0x0
** [[BLUE-PILL-HUB]] is set to offset=0x1 so it does not conflict
+
*** [[BLUE-PILL-HUB]] is set to offset=0x1 so it does not conflict
** Uses 8x of [[I2CIO-8]] cards
+
* Connect directly to I2C port on the [[BLUE-PILL-HUB]]
 
* [https://github.com/land-boards/lb-Arduino-Code/tree/master/LBCards/ODAS/ODASTESTER ODAS Tester Github Repo]
 
* [https://github.com/land-boards/lb-Arduino-Code/tree/master/LBCards/ODAS/ODASTESTER ODAS Tester Github Repo]
  

Revision as of 12:06, 1 August 2020

Tindie-mediums.png

I2C-RPT-08-X1-P218-720px.jpg

Features

  • I2C Hub / Repeater / Replicator / Multiplexer / De-multiplexer
    • PCA9548A
    • Eight I2C Ports
    • 100KHz/400KHz operation
  • Host port
    • Controlled via I2C
    • 3.3V or 5V host operation
  • 3.3V or 5V slave ports operation
  • Voltage translation between the ports
  • Ex: a Raspberry PI which runs 3.3V can control I2C devices which run at 5V
  • On-board termination resistors
  • 49x49mm form factor
  • 4 solid 4-40 mounting holes

Schematic

Drivers/Example Code

Testing

P963-cropped-720px.jpg

Issues

  • Silkscreen shows SCK, should be SCL

Assembly Sheet