zyxel_gs1920_series

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zyxel_gs1920_series [2021/01/01 16:54]
svanheule [GS1920-24HP] Add GPIO details
zyxel_gs1920_series [2021/01/01 21:44] (current)
svanheule [GS1920-24HP] Correct RTL8231 addressing
Line 26: Line 26:
   * PoE PSE: 6× BCM59111   * PoE PSE: 6× BCM59111
   * GPIO:   * GPIO:
-    * 1× [[RTL8231]] as GPIO expander: I2C mode, device ID 0x3 (bus address 0x53), 8-bit register address width.+    * 1× [[RTL8231]] as GPIO expander: MII mode, device address 0x3
     * 3× RTL8231 as shift register: port status LEDs     * 3× RTL8231 as shift register: port status LEDs
     * HC164 shift register for device status LEDs     * HC164 shift register for device status LEDs
  • zyxel_gs1920_series.1609520051.txt.gz
  • Last modified: 2021/01/01 16:54
  • by svanheule