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FIBOCOM SU806 Series Hardware Guide Page 26 of 91
154, 191, 197, 199, 204, 222 to 224, 247 to 249, 255
Note:
H: High-voltage tolerant
L: Low-voltage tolerant
Hiz: High impedance
WPU: Weak pull up
WPD: Weak pull down
The GPIOs with “WPU” aren’t recommended as the enable control of default highly efficient devices.
For example, backlight enable of LCM and audio amplifier enable.