Changes between Version 1 and Version 2 of I2C

Timestamp:

11/30/2017 10:51:06 PM (6 years ago)

Author:

Tim Harvey

Comment:

added newport details

I2C

@@ -11 +11 @@
  * http://en.wikipedia.org/wiki/I%C2%B2C
 
-== Linux Kernel API ==
-See [wiki:linux/i2c]
+== On-Board I2C Host Controllers ==
+Various Gateworks boards support 3.3V TTL I2C to an off-board expansion connector:
+||= Family =||= Board   =||= Device =||= I2C Buffer Enable =||= Connector =||
+|| Newport  || GW630x    || TWSI1 /dev/i2c-1    || N/A      || J14 (dedicated SDA/GND/SCL) ||
+||          || GW640x    || TWSI1 /dev/i2c-1    || N/A      || J14 (dedicated SDA/GND/SCL) ||
+|| ||
+|| Ventana  || GW54xx-B+ || I2C3 /dev/i2c-2     || gpio101  || J16 (shared with DIO0/DIO1) ^^^1^^^ ||
+||          || GW53xx-B+ || I2C3 /dev/i2c-2     || gpio101  || J4 (shared with DIO0/DIO1) ^^^1^^^ ||
+||          || GW52xx-C+ || I2C3 /dev/i2c-2     || N/A      || J4 (shared with DIO0/DIO1) ^^^1^^^ ^^^2^^^ ||
+||          || GW551x    || I2C3 /dev/i2c-2     || N/A      || J3 (dedicated SDA/SCL/GND) ||
+ 1. Ventana off-board I2C shares pins with MX6_DIO0 / MX6_DIO1 which need to be configured as inputs to use I2C
+ 2. requires resistor loading option
 
+Please consult the ​Hardware Manuals for pinouts
 
-== USB Expansion devices ==
+See also:
+ * [wiki:ventana/DigitalIO#I2Csupport Ventana I2C]
+
+== USB I2C Host Controllers ==
 A I2C master can also be added via USB expansion. For example:
  * [http://trac.gateworks.com/wiki/expansion/gw16113 GW16113 firmware-flexible USB 2.0 FS expansion]
  * [http://www.commell.com.tw/product/Peripheral/PCI%20Express%20mini%20card/MPX-24794S.HTM Commell MPX-24794S USB 2.0 FS SPI/I2C/GPIO expansion]
 
+== Linux Kernel API ==
+See [wiki:linux/i2c]
 
-== Ventana ==
-I2C is offered on several Ventana boards. Please view the [wiki:ventana/DigitalIO#I2Csupport Ventana I2C wiki]
-