Datasheet

RL78/L12 CHAPTER 22 VOLTAGE DETECTOR
R01UH0330EJ0200 Rev.2.00 763
Dec 13, 2013
Table 22-1. LVD Operation Mode and Detection Voltage Settings for User Option Byte (000C1H) (1/2)
Address: 000C1H
7 6 5 4 3 2 1 0
VPOC2 VPOC1 VPOC0 1 LVIS1 LVIS0 LVIMDS1 LVIMDS0
• LVD setting (interrupt & reset mode)
Detection voltage Option byte setting value
VLVDH VLVDL VPOC2 VPOC1 VPOC0 LVIS1 LVIS0 Mode setting
Rising
edge
Falling
edge
Falling
edge
LVIMDS1 LVIMDS0
1.77 V 1.73 V 1.63 V 0 0 0 1 0 1 0
1.88 V 1.84 V 0 1
2.92 V 2.86 V 0 0
1.98 V 1.94 V 1.84 V 0 1 1 0
2.09 V 2.04 V 0 1
3.13 V 3.06 V 0 0
2.61 V 2.55 V 2.45 V 1 0 1 0
2.71 V 2.65 V 0 1
3.75 V 3.67 V 0 0
2.92 V 2.86 V 2.75 V 1 1 1 0
3.02 V 2.96 V 0 1
4.06 V 3.98 V 0 0
Other than above Setting prohibited.
• LVD setting (reset mode)
Detection voltage Option byte setting value
VLVD VPOC2 VPOC1 VPOC0 LVIS1 LVIS0 Mode setting
Rising edge Falling edge LVIMDS1 LVIMDS0
1.67 V 1.63 V 0 0 0 1 1 1 1
1.77 V 1.73 V 0 0 1 0
1.88 V 1.84 V 0 1 1 1
1.98 V 1.94 V 0 1 1 0
2.09 V 2.04 V 0 1 0 1
2.50 V 2.45 V 1 0 1 1
2.61 V 2.55 V 1 0 1 0
2.71 V 2.65 V 1 0 0 1
2.81 V 2.75 V 1 1 1 1
2.92 V 2.86 V 1 1 1 0
3.02 V 2.96 V 1 1 0 1
3.13 V 3.06 V 0 1 0 0
3.75 V 3.67 V 1 0 0 0
4.06 V 3.98 V 1 1 0 0
Other than above Setting prohibited.
Caution Be sure to set bit 4 to 1.
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