Board/NWI/NWI1199-DAT/21-28-18-10-05-2023.png
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Board/NWI/NWI1199-DAT/NWI1199-DAT.md
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# NWI1199 DAT
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-- [[LAN8720-DAT]]
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+- [[LAN8720-DAT]] - [[NWI1200-DAT]]
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+
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+legacy reference: https://www.electrodragon.com/w/Ethernet#LAN8720_Ethernet_with_ESP
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+
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+
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## hardware
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![](42-44-18-24-04-2023.png)
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+![](21-28-18-10-05-2023.png)
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+
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| ESP32 | func | Ethernet | Note |
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| ------- | ----------- | ----------------- | ------------ |
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| GPIO 17 | PHY_POWER | Osc_PWR (PHY_pwr) | obselete pin |
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@@ -22,6 +28,8 @@
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| GND | | GND | |
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| 3V3 | | VCC | |
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+
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+
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### Crystal
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- active 50MHz
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## ref
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+- https://www.electrodragon.com/w/Ethernet#LAN8720_Ethernet_with_ESP
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+
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- [[arduino-IDE-DAT]] please find demo code in arduino-ESP32
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- [[NWI1199]]
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+
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+
Board/NWI/NWI1200-DAT/43-14-18-10-05-2023.png
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Board/NWI/NWI1200-DAT/NWI1200-DAT.md
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+
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+# NWI1200 DAT
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+
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+- [[NWI1199-DAT]]
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+
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+
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+
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+![](43-14-18-10-05-2023.png)
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+
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+### Hardware
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+
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+- Optical Coupler IO4 IO5
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+- Sensor Input IO34
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+
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+
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+### Ethernet LAN8720
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+
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+- Crystal control pin IO2
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+
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+
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+
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+- [[LAN8720-DAT]]
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\ No newline at end of file
Chip/Microchip/LAN8720-DAT.md
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- https://ww1.microchip.com/downloads/en/devicedoc/00002165b.pdf
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-- [[LAN8720]]
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+## Chip Features
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+
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+- High Performance 10/100 Ethernet Transceiver (PHY)
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+- Ultra low power design with single 3.3V supply
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+- The RMII interface greatly reduces the control pin of the MCU
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+- Support HP Auto-MIDX
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+- The chip is available in a 24-pin QFN package (4x4 mm), lead-free
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+- Flexible power management architecture
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+- Integrated 1.2V regulator
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+- IO voltage range: +1.6V to +3.6V
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+- Fully pin compatible with ESP32 devkitc board. Only 12 pins used.
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+
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+
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+## Chip Version
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-Examples:
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a) LAN8720Ai-CP-TR
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Industrial temp., Tape & Reel, 24-QFN (Punch)
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b) LAN8720A-CP-ABC
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-Ext. commercial temp., Tray, 24-SQFN (Sawn)
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+Ext. commercial temp., Tray, 24-SQFN (Sawn)
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+
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+## ref
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+
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+- [[LAN8720]]
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\ No newline at end of file
Home.md
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@@ -45,7 +45,7 @@ test log 170004
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- [[NWL1042-DAT]]
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### NWI
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-- [[NWI1070-DAT]] - [[NWI1119-DAT]] - [[NWI1124-DAT]] - [[NWI1125-DAT]] - [[NWI1126-DAT]] - [[NWI1155-DAT]] - [[NWI1139-DAT]] - [[NWI1235-DAT]] - [[NWI1245-DAT]]
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+- [[NWI1070-DAT]] - [[NWI1119-DAT]] - [[NWI1124-DAT]] - [[NWI1125-DAT]] - [[NWI1126-DAT]] - [[NWI1155-DAT]] - [[NWI1139-DAT]] - [[NWI1199-DAT]] - [[NWI1200-DAT]] - [[NWI1235-DAT]] - [[NWI1245-DAT]]
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### OPM
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- [[OPM1143-DAT]]