RL78/G1H CHAPTER 26 OPTION BYTE
R01UH0575EJ0120 Rev. 1.20 Page 801 of 920
Dec 22, 2016
Figure 26 - 3 Format of User Option Byte (000C1H/010C1H) (2/4)
• LVD setting (reset mode)
Note Set the same value as 000C1H to 010C1H when the boot swap operation is used because 000C1H is
replaced by 010C1H.
Caution Be sure to set bit 4 to “1”.
Remark 1.
For details on the LVD circuit, see CHAPTER 23 VOLTAGE DETECTOR.
Remark 2. The detection voltage is a typical value. For details, see 31.6.3 LVD characteristics.
Address: 000C1H/010C1H
Note
76543210
VPOC2 VPOC1 VPOC0 1 LVIS1 LVIS0 LVIMDS1 LVIMDS0
Detection voltage Option byte Setting Value
V
LVD
VPOC2 VPOC1 VPOC0 LVIS1 LVIS0
Mode setting
Rising edge Falling edge LVIMDS1 LVIMDS0
1.88 V 1.84 V 0011111
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
— Settings other than the above are prohibited
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