Samsung S3C9454B User Manual page 23

PRODUCT OVERVIEW
Alternative
Output
Alternative
Output
P0.x
1-8
Open-drain
P2CONH
P2CONL
M
Data
U
P2.x
X
Output Disable
(Input Mode)
Digital
Input
Analog Input
Enable
ADC
Figure 1-9. Pin Circuit Type E
P0CONH
M
Data
U
X
Output Disable
(Input Mode)
Digital Input
Interrupt Input
Analog Input
Enable
ADC
Figure 1-10. Pin Circuit Type E-1
Enable
V
DD
V
DD
P-CH
I/O
N-CH
V
DD
V
DD
P-CH
I/O
N-CH
S3C9454B/F9454B
Pull-up
enable
Pull-up
enable