S3C8275X/F8275X/C8278X/F8278X/C8274X/F8274X ELECTRICAL DATA
17-9
Table 17-6. Battery Level Detector Electrical Characteristics
(TA = 25°C, VDD = 2.0 V to 3.6 V)
Parameter Symbol Conditions Min Typ Max Unit
Operating voltage of BLD VDDBLD − 2.0 − 3.6 V
Voltage of BLD VBLD 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 IBLD V
DD = 3.3 V − 70 120 µA
VDD = 2.2 V − 50 100
Hysteresis voltage of BLD ∆V BLDCON.2-0 = 000b,
101b, 011b − 10 100 mV
BLD circuit response time TB Fw = 32.768 kHz − − 1 ms
Table 17-7. LVR (Low Voltage Reset) Electrical Characteristics
(TA = 25°C)
Parameter Symbol Conditions Min Typ Max Unit
Voltage of LVR VLVR TA = 25 °C 2.0 2.2 2.4 V
VDD voltage rising time tR − 10 − − µs
VDD voltage off time tOFF − 0.5 − − s
Hysteresis voltage of LVR ∆V − − 10 100 mV
Current consumption IDDPR 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