Updated Home (markdown)

2024-04-22 09:02:53 +08:00
parent 90456db1d9
commit 4c4ced180e
1 changed files with 18 additions and 0 deletions
--- a/Home.md
+++ b/Home.md
@@ -42,6 +42,24 @@ If you want to setup your device please hold during device boot:
  IO27 -------=====-----=====---|
               1 k     5 k POT
 ```
+### Crystal option of TEF668X
+```
+Depending on the voltage of ESP32 IO15, different crystal oscillators are supported.
+Please select the appropriate resistor for the following conditions.
+
+                         R15
+                          |
+                          |
+                          |
+  VCC_3V3_CPU -----=====--•--=====----|GND
+                    R49       R48
+
+IO15: 0V        → 9.216M
+IO15: 1V        → 12M
+IO15: 2V        → 55.466M
+IO15: (2V~3.3V] → 4M
+```
+
 ### Manual

 **Screensaver triggered**