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S3F80JB LOW VOLTAGE DETECTOR
16-3
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 S3F80J9/S3F80J5
NOTE:
LVD_Flag Voltage is 2.3V at 8MHz and 2.15V at 4MHz.
Figure 16-2. Low Voltage Detect Control Register (LVDCON)