Filter
Top Products
S3F80P5_UM_ REV1.00 LOW VOLTAGE DETECTOR
LOW VOLTAGE DETECTOR CONTROL REGISTER (LVDCON)
LVDCON.0 is used flag bit to indicate low battery in IR application or others. When LVD circuit detects
LVD_FLAG, LVDCON.0 flag bit is set automatically. The reset value of LVDCON is #00H.
Low Voltage Detect Control Register (LVDCON )
E0H, Set1, Bank 1, R/W
.7 .6 .5 .4 .3 .2 .1 .0MSB LSB
LVD Indicator Flag Bit :
0=V
DD
> LVD _Flag Voltage
1=V
DD
< LVD _Flag Voltage
Not used for S 3F80 P5
Figure 15-2. Low Voltage Detect Control Register (LVDCON)
LOW VOLTAGE DETECTOR FLAG SELECTION REGISTER (LVDSEL)
LVDSEL is used to select LVD flag level. The reset value of LVDSEL is #00H.
Low Voltage Detect Flag Selection Register (LVDSEL)
F1H, Set1, Bank 1, R/W
.7 .6 .5 .4 .3 .2 .1 .0MSB LSB
Not used for S3F80P5
LVD Flag Level Selection Bit :
00 = LVD Flag level is 1.88V(Typ.)
01 = LVD Flag level is 1.98V(Typ.)
10 = LVD Flag level is 2.53V(Typ.)
11 = LVD Flag level is 2.73V(Typ.)
Figure 15-3. Low Voltage Detect Flag Selection Register (LVDSEL)
15-3