Samsung S3F80JB User Manual

Page 300

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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

.0

MSB

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)

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