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S3C8275X/F8275X/C8278X/F8278X/C8274X/F8274X ELECTRICAL DATA
17-9
Table 17-6. Battery Level Detector Electrical Characteristics
(T
A
= 25
°
C, V
DD
= 2.0 V to 3.6 V)
Parameter Symbol Conditions Min Typ Max Unit
Operating voltage of BLD
V
DDBLD
−
2.0
−
3.6 V
Voltage of BLD
V
BLD
BLDCON.2-.0 = 000b 2.0 2.2 2.4
BLDCON.2-.0 = 101b 2.15 2.4 2.65
BLDCON.2-.0 = 011b 2.5 2.8 3.1
Current consumption
I
BLD
V
DD
= 3.3 V
−
70 120
µA
V
DD
= 2.2 V
−
50 100
Hysteresis voltage of BLD
∆V
BLDCON.2-0 = 000b,
101b, 011b
−
10 100 mV
BLD circuit response time
T
B
Fw = 32.768 kHz
− −
1 ms
Table 17-7. LVR (Low Voltage Reset) Electrical Characteristics
(T
A
= 25
°
C)
Parameter Symbol Conditions Min Typ Max Unit
Voltage of LVR
V
LVR
T
A
= 25
°
C
2.0 2.2 2.4 V
V
DD
voltage rising time t
R
−
10
− − µs
V
DD
voltage off time t
OFF
−
0.5
− −
s
Hysteresis voltage of LVR
∆V − −
10 100 mV
Current consumption
I
DDPR
V
DD
= 3.3 V
−
70 120
µA
NOTES:
1. The current of LVR circuit is consumed when LVR is enabled by "Smart Option"
2. Current consumed when low voltage reset circuit is provided internally.
t
R
t
OFF
0.9 V
DD
0.1 V
DD
V
DD
Figure 17-6. LVR (Low Voltage Reset) Timing