Changes between Version 3 and Version 4 of I2C


Ignore:
Timestamp:
12/11/2020 10:08:55 PM (4 years ago)
Author:
Tim Harvey
Comment:

added venice i2c mappings

Legend:

Unmodified
Added
Removed
Modified

  • I2C

    v3 v4  
    1414Various Gateworks boards support 3.3V TTL I2C to an off-board expansion connector:
    1515||= Family =||= Board   =||= Device =||= I2C Buffer Enable =||= Connector =||
    16 || Newport  || GW610x    || TWSI1 /dev/i2c-1    || N/A      || J10 (dedicated SDA/GND/SCL) 3.3V TTL ||
    17 ||          || GW620x    || TWSI1 /dev/i2c-1    || N/A      || J11 (dedicated SDA/GND/SCL) 3.3V TTL (build option for 5V TTL) ||
    18 ||          || GW630x    || TWSI1 /dev/i2c-1    || N/A      || J14 (dedicated SDA/GND/SCL) 3.3V TTL (build option for 5V TTL) ||
    19 ||          || GW640x    || TWSI1 /dev/i2c-1    || N/A      || J14 (dedicated SDA/GND/SCL) 3.3V TTL (build option for 5V TTL) ||
     16|| Venice   || GW730x    || I2C3 /dev/i2c-2  || - || J9 (shared with MIPI J17) ||
     17||          || GW720x    || I2C3 /dev/i2c-2  || - || J5 (shared with MIPI J4) ||
     18||          || GW710x    || I2C3 /dev/i2c-3  || - || J25 ||
    2019|| ||
    21 || Ventana  || GW54xx-B+ || I2C3 /dev/i2c-2     || gpio101  || J16 (shared with DIO0/DIO1) ^^^1^^^ ||
    22 ||          || GW53xx-B+ || I2C3 /dev/i2c-2     || gpio101  || J4 (shared with DIO0/DIO1) ^^^1^^^ ||
    23 ||          || GW52xx-C+ || I2C3 /dev/i2c-2     || N/A      || J4 (shared with DIO0/DIO1) ^^^1^^^ ^^^2^^^ ||
    24 ||          || GW551x    || I2C3 /dev/i2c-2     || N/A      || J3 (dedicated SDA/SCL/GND) ||
     20|| Newport  || GW610x    || TWSI1 /dev/i2c-1 || - || J10 (dedicated SDA/GND/SCL) 3.3V TTL ||
     21||          || GW620x    || TWSI1 /dev/i2c-1 || - || J11 (dedicated SDA/GND/SCL) 3.3V TTL (build option for 5V TTL) ||
     22||          || GW630x    || TWSI1 /dev/i2c-1 || - || J14 (dedicated SDA/GND/SCL) 3.3V TTL (build option for 5V TTL) ||
     23||          || GW640x    || TWSI1 /dev/i2c-1 || - || J14 (dedicated SDA/GND/SCL) 3.3V TTL (build option for 5V TTL) ||
     24|| ||
     25|| Ventana  || GW54xx-B+ || I2C3 /dev/i2c-2  || gpio101  || J16 (shared with DIO0/DIO1) ^^^1^^^ ||
     26||          || GW53xx-B+ || I2C3 /dev/i2c-2  || gpio101  || J4 (shared with DIO0/DIO1) ^^^1^^^ ||
     27||          || GW52xx-C+ || I2C3 /dev/i2c-2  || - || J4 (shared with DIO0/DIO1) ^^^1^^^ ^^^2^^^ ||
     28||          || GW551x    || I2C3 /dev/i2c-2  || - || J3 (dedicated SDA/SCL/GND) ||
    2529 1. Ventana off-board I2C shares pins with MX6_DIO0 / MX6_DIO1 which need to be configured as inputs to use I2C
    2630 2. requires resistor loading option