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CMS32L051 User Manual |Chapter 23 Voltage Detection Circuit
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Table 23-1 Format of user option bytes (000C1H/010C1H) (1/2)
Address: 000C1H/010C1H
Note
7 6 5 4 3 2 1 0
VPOC2
VPOC1
VPOC0
1
LVIS1
LVIS0
LVIMDS1
LVIMDS0
 LVD setting (interrupt & reset mode)
Detection
voltage
Setting value of the option byte
IN
LVDH
IN
LVDL
VPOC2
VPOC1
VPOC0
LVIS1
LVIS0
Mode setting
rise
decline
decline
LVIMDS1
LVIMDS0
1.77V
1.73V
1.63V
0
0
0
1
0
1
0
1.88V
1.84V
0
1
2.92V
2.86V
0
0
1.98V
1.94V
1.84V
0
1
1
0
2.09V
2.04V
0
1
3.13V
3.06V
0
0
2.61V
2.55V
2.45V
1
0
1
0
2.71V
2.65V
0
1
3.75V
3.67V
0
0
2.92V
2.86V
2.75V
1
1
1
0
3.02V
2.96V
0
1
4.06V
3.98V
0
0

Values other than those above are prohibited.
 LVD setting (reset mode)
Detection
voltage
Setting value of the option byte
V
LVD
VPOC2
VPOC1
VPOC0
LVIS1
LVIS0
Mode setting
rise
decline
LVIMDS1
LVIMDS0
1.67V
1.63V
0
0
0
1
1
1
1
1.77V
1.73V
0
0
1
0
1.88V
1.84V
0
1
1
1
1.98V
1.94V
0
1
1
0
2.09V
2.04V
0
1
0
1
2.50V
2.45V
1
0
1
1
2.61V
2.55V
1
0
1
0
2.71V
2.65V
1
0
0
1
2.81V
2.75V
1
1
1
1
2.92V
2.86V
1
1
1
0
3.02V
2.96V
1
1
0
1
3.13V
3.06V
0
1
0
0
3.75V
3.67V
1
0
0
0
4.06V
3.98V
1
1
0
0

Values other than those above are prohibited.
Note 1 The detection voltage is TYP Value. For details, please refer to the LVD circuit characteristics in the data sheet.