Renesas RX100 Series User Manual page 113

RX13T Group
VCC
LVD1E, LVD2E: Bits in LVCMPCR
LVD1CMPE: Bit in LVD1CR0
LVD2CMPE: Bit in LVD2CR0
LVD1LVL[3:0], LVD2LVL[1:0]: Bits in LVDLVLR
LVDAS,VDSEL[1:0]: Bits in OFS1
Figure 8.1 Block Diagram of the LVD
R01UH0822EJ0100 Rev.1.00
Jul 31, 2019
Level selection
circuit
(3 levels)
VDSEL[1:0]
Internal reference voltage
(for detecting Vdet0)
Level selection
circuit
(9 levels)
LVD1LVL[3:0]
Internal reference voltage
(for detecting Vdet1)
Level selection
circuit
(4 levels)
LVD2LVL[1:0]
Internal reference voltage
(for detecting Vdet2)
8. Voltage Detection Circuit (LVDAb)
LVDAS
Analog noise
+
filter
-
 Vdet0
LVD1E
LVD1CMPE
Analog noise
+
filter
-
 Vdet1
LVD2E
LVD2CMPE
Analog noise
+
filter
-
 Vdet2
Voltage detection 0
reset signal
Voltage detection 1
signal
Voltage detection 2
signal
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