Datasheet

RL78/L12 CHAPTER 22 VOLTAGE DETECTOR
R01UH0330EJ0200 Rev.2.00 760
Dec 13, 2013
22.2 Configuration of Voltage Detector
The block diagram of the voltage detector is shown in Figure 22-1.
Figure 22-1. Block Diagram of Voltage Detector
LVIOMSK
VDD
N-ch
LVILV LVIMD
LVIF
LVISEN
Voltage detection
level selector
V LVDH
V LVDL
Reference
voltage
source
Selector
Option byte (000C1H)
VPOC2 to VPOC0
Option byte (000C1H)
LVIS1, LVIS0
V
DD
Voltage detection
level register (LVIS)
Voltage detection
register (LVIM)
INTLVI
Internal reset signal
Controller
Internal bus
-
+
22.3 Registers Controlling Voltage Detector
The voltage detector is controlled by the following registers.
• Voltage detection register (LVIM)
• Voltage detection level register (LVIS)