YEALINK NETWORK TECHNOLOGY CO. LTD. YL1023 User Manual
VDDIO
Voltage supply for GPIO
1.71~3.46
V
5.4 GPIO DC Characteristics
Symbol Parameter
Minimum Typical Maximum Unit
V
IH
Input high voltage
0.7-VIO
--
VIO+0.3
V
V
IL
Input low voltage
-0.3
--
0.3-VIO
V
V
OH
Output high voltage
VIO-0.4
--
VIO
V
V
OL
Output low voltage
0
--
0.4
V
6. Pin Definition
Pin Description
Pin
No.
No.
Definition
Basic Description Type
Type