S3C820B Datasheet, PDF (14/22 Pages) Samsung semiconductor – S3C-SERIES MICROCONTROLLERS

ELECTRICAL DATA
S3C820B
Table 15-2. D.C. Electrical Characteristics (Continued)
(T_A = – 40^°C to + 85^°C, V_DD = 2.2 V to 4.5 V)
Parameter Symbol
Conditions
Min
Typ
Max
Unit
Middle output
V_OM1 V_MN = V_LCD – (N/5) COM0–17 V_M1 – 0.2
V_M1
V_M1 + 0.2
V
voltage
V_OM2 × V_LCD
SEG0–64 V_M2 – 0.2
V_M2
V_M2 + 0.2
V_OM3 N = 1, 2, 3, and 4 SEG0–64 V_M3 – 0.2
V_M3
V_M3 + 0.2
V_OM4
COM0–17 V_M4 – 0.2
V_M4
V_M4 + 0.2
|V_LCD–V_COMi|
voltage drop
(i = 0–17)
V_DC V_LCD = 3.0 V to 6.0 V
– 15 µA per common pin
–
–
120
mV
|V_LCD–V_SEGx|
voltage drop
(x = 0–64)
V_DS V_LCD = 3.0 V to 6.0 V
– 15 µA per common pin
–
–
120
mV
LCD driving
voltage
V_LCD –
3.0
–
6.0
V
Pull-up resistors
R_L1 V_IN = 0 V; T_A = 25 °C; V_DD = 3.0
30
Ports 0, 1, 2, and 3
80
200
kΩ
R_L2 V_IN = 0 V; T_A = 25 °C; V_DD = 3.0
300
500
800
RESET only
LCD voltage
dividing resistor
R_LCD
V_LCD = 3.0 V to 6.0 V
T_A = 25 °C
40
60
80
kΩ
Supply current
(note)
I_DD1 V_DD = 3.0 V ± 10%
2 MHz crystal
–
1.5
3.5
mA
I_DD2 Idle mode;
V_DD = 3.0 V ± 10%
2 MHz crystal
0.5
1.5
I_DD3 V_DD = 3.0 V ± 10%
32 kHz crystal
30
70
µA
I_DD4 Idle mode;
V_DD = 3.0 V ± 10%
32 kHz crystal
6
12
I_DD5 Stop mode;
V_DD = 3.0 V ± 10%
XT_IN = 0 V
0.5
1
NOTES:
1. Supply current does not include current drawn through internal pull-up resistors, LCD voltage dividing resistors, voltage
doubler, or external output current loads.
2. I_DD1 and I_DD2 include power consumption for subsystem clock oscillation.
3. I_DD3 and I_DD4 are current when main system clock oscillation stops and the subsystem clock is used.
15-4