r5f21346mnfp Renesas Electronics Corporation., r5f21346mnfp Datasheet - Page 71

• Manufacturer Part Number: r5f21346mnfp
• Description: Single-chip Mcus Incorporates The R8c Cpu Core
• Manufacturer: Renesas Electronics Corporation.

R8C/34M Group
R01UH0131EJ0100 Rev.1.00
Jun 21, 2011
Figure 6.1
Table 6.2
LVCMP2
LVCMP2
Pin Name
VCC
Pin Configuration of Voltage Detection Circuit
Voltage Detection Circuit Block Diagram
Input
VDSEL1 to VDSEL0
VD1S3 to VD1S0
(16 levels)
I/O
selection
selection
(4 levels)
circuit
circuit
Level
Level
VCA24 = 1
VCA24 = 0
Detection target voltage pin for voltage detection 2
Internal
reference
voltage
VCA26
VCA25
VCA27
+
+
+
-
-
-
≥ Vdet2
≥ Vdet1
≥ Vdet0
Function
VCA13: Bit in VCA1 register
VCA24, VCA25, VCA26, VCA27: Bits in VCA2 register
VW1C3: Bit in VW1C register
VD1S0 to VD1S3: Bits in VD1LS register
VDSEL0, VDSEL1: Bits in OFS register
Voltage detection 0 signal
6. Voltage Detection Circuit
Shared with comparator A
Voltage detection 2 signal
Voltage detection 1 signal
VW1C register
VCA1 register
VCA13 bit
VW1C3 bit
b3
b3
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