Samsung S3P80C5 User Manual page 28

S3P80C5/C80C5/C80C8
Port 2.0 Data
Pull-up
Enable
Data
Open-drain
Output Disable
Normal
Input
Figure 1-4. Pin Circuit Type 2 (Port 1)
Pull-up
Enable
P2CON.0
M
U
T0_PWN X
Open-drain
Output
Disable
P2.0 Input
Figure 1-5. Pin Circuit Type 3 (P2.0)
V
DD
V
SS
Noise
filter
V
DD
V
DD
Data
V
SS
PRODUCT OVERVIEW
V
DD
Pull-up
Resistor
Input/Output
Pull-up Resistor
(Typical 21KΩ )
P2.0/T0PWN
1-7