Samsung S3F80JB - Manual (Page 31)

S3F80JB PRODUCT OVERVIEW
1-13
PIN CIRCUITS (Continued)
V DD
Pull-up
Enable
V DD
P3.1/REM
/(T0CK)
Pull-up
Resistor
(55k
Ω-Typ)
Open-Drain
Port 3.1 Data
V SS
P3.1 Input
M
U
X
P3CON.5
Data
Output
Disable
T0CK
Carrier On/Off (P3.7)
CACON.2
Noise filter
M
U
X
P3CON.5,6,7
Figure 1-8. Pin Circuit Type 4 (P3.1)
V DD
Pull-up
Resistor
(55k
Ω-Typ)
Input
T0CK : P3.2
T1CAP/T2CAP: P3.3
M
U
X
P3CON.2,6,7
INPUT
Figure 1-9. Pin Circuit Type 5 (P3.2 and P3.3)