Difference between revisions of "DIGIO32-I2C"

Revision as of 16:34, 1 January 2020

32-bit Digital I/O
- Two MCP23017 16-bit I2C I/O Expanders
EEPROM for board ID and application specific information
- Write Enable jumper protects EEPROM against accidental damage
I/O Connector is inexpensive/standard DB-37
I2C Interface
- Daisy-chain I2C connector
- I2C Termination jumpers for end of I2C chain
- I2C Address select jumper (2 addresses - can support up to 4 cards)
Power Options
- Supports 3.3V or 5V signal levels
- Fuse protected power output on DB-37
Power connector (not required for minimal loads
ODAS form factor (width is 95 mm)
6-32 Mounting holes

[Schematic]

@@ Line 4: / Line 4: @@
 * 32-bit Digital I/O
-* Two [http://ww1.microchip.com/downloads/en/DeviceDoc/20001952C.pdf MCP23017] 16-bit I2C I/O Expanders
+** Two [http://ww1.microchip.com/downloads/en/DeviceDoc/20001952C.pdf MCP23017] 16-bit I2C I/O Expanders
-* Strong library support for all major microprocessors (Arduino, Raspberry Pi, BeagleBone)
 * EEPROM for board ID and application specific information
-* Write Enable jumper protects EEPROM against accidental damage
+** Write Enable jumper protects EEPROM against accidental damage
 * I/O Connector is inexpensive/standard DB-37
+* I2C Interface
+** Daisy-chain I2C connector
+** I2C Termination jumpers for end of I2C chain
+** I2C Address select jumper (2 addresses - can support up to 4 cards)
+* Power Options
+** Supports 3.3V or 5V signal levels
+** Fuse protected power output on DB-37
+* Power connector (not required for minimal loads
 * ODAS form factor (width is 95 mm)
-* 6-32 Mounting holes Host connectors
+* 6-32 Mounting holes
-* Daisy-chain I2C connector
-* Address select jumper (2 addresses - can support up to 4 cards)
-* Power connector (not required for minimal loads
-* Supports 3.3V or 5V signal levels
-* Fuse protected power output on DB-37
-* I2C Termination jumpers for end of I2C chain
 == Drivers ==