Samsung S3C9228/P9228 Benutzerhandbuch
S3C9228/P9228
ELECTRICAL DATA
16-3
Table 16-2. D.C. Electrical Characteristics (Continued)
(T
A
= – 25
°
C to + 85
°
C, V
DD
= 2.0 V to 5.5 V)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Input Low
leakage current
leakage current
I
LIL1
V
I
= 0 V;
All input pins except
RESET,
X
OUT
, XT
IN
, XT
OUT
–
–
–3
µ
A
I
LIL2
V
I
= 0 V;
X
IN
, X
OUT
, XT
IN
, XT
OUT
–20
Output High
leakage current
leakage current
I
LOH
V
O
= V
DD
All output pins
–
–
3
Output Low
leakage current
leakage current
I
LOL
V
O
= 0 V
All output pins
–
–
–3
Pull-Up Resistor
R
L1
V
I
= 0 V; V
DD
= 5V, T
A
= 25
°
C
Ports 0–6
25
47
100
k
Ω
V
DD
= 3V, T
A
= 25
°
C
50
90
150
R
L2
V
I
= 0 V; V
DD
= 5V, T
A
= 25
°
C
RESET
150
250
400
V
DD
= 3V, T
A
= 25
°
C
300
500
700
Oscillator Feed
back Resistors
back Resistors
R
OSC1
V
DD
= 5 V, T
A
= 25
°
C
X
IN
= V
DD
, X
OUT
= 0V
300
600
1500
k
Ω
R
OSC2
V
DD
= 5 V, T
A
= 25
°
C
XT
IN
= V
DD
, XT
OUT
= 0 V
1500
3000
4500
LCD Voltage
Dividing Resistor
Dividing Resistor
R
LCD
T
A
= 25
°
C
50
70
90
k
Ω
V
LCD
-COMi
Voltage Drop
(i = 0-7)
(i = 0-7)
V
DC
V
DD
= 2.7 V to 5.5 V
- 15
µ
A per common pin
–
–
120
mV
V
LCD
-
SEG
x
Voltage Drop
(x = 0–19)
(x = 0–19)
V
DS
V
DD
= 2.7 V to 5.5 V
- 15
µ
A per common pin
–
–
120
Middle Output
Voltage
V
LC2
V
DD
=
2.7 V to 5.5 V,
LCD clock = 0Hz, V
LC1
= V
DD
0.8V
DD
–0.2
0.8V
DD
0.8V
DD
+
0.2
V
V
LC3
0.6V
DD
–0.2
0.6V
DD
0.6V
DD
+
0.2
V
LC4
0.4V
DD
–0.2
0.4V
DD
0.4V
DD
+
0.2
V
LC5
0.2V
DD
–0.2
0.2V
DD
0.2V
DD
+
0.2
NOTE: Low leakage current is absolute value.