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R8C/2G 数据表(PDF) 67 Page - Renesas Technology Corp

部件名 R8C/2G
功能描述  RENESAS MCU R8C FAMILY / R8C/2x SERIES
PDF  344 Pages
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制造商  RENESAS [Renesas Technology Corp]
网页  http://www.renesas.com
标志 RENESAS - Renesas Technology Corp

R8C/2G 数据表(HTML) 67 Page - Renesas Technology Corp

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R8C/2G Group
7. Comparator
Rev.1.00
Apr 04, 2008
Page 47 of 318
REJ09B0387-0100
Figure 7.1
Block Diagram of Comparator
Table 7.2
Pin Configuration of Comparator
Pin Name
I/O
Function
VCMP1
Input
Comparator 1 analog pin
VCOUT1
Output
Comparator 1 comparison result output pin
VCMP2
Input
Comparator 2 analog pin
VCOUT2
Output
Comparator 2 comparison result output pin
CVREF
Input
Comparator reference voltage pin
+
-
VW1F1 to VW1F0
= 01b
= 10b
= 11b
VCA13: Bit in VCA1 register
VCA26, VCA27: Bits in VCA2 register
VW1C0 to VW1C3, VW1F0 to VW1F1: Bits in VW1C register
VW2C0, VW2C2, VW2F0 to VW2F1: Bits in VW2C register
VCAB5 to VCAB7: Bits in VCAB register
LCM1POR, LCM2POR, CM1OE, CM2OE, IRQ1SEL, IRQ2SEL: Bits in ALCMR register
fOCO-S
fOCO-S/4
fOCO-S/8
VCMP1
0
1
VCAB5
Digital filter
+
-
CVREF
VCMP2
0
1
VCAB6
VCAB7
= 00b
Sampling
clock
1
0
VCA26
VW1C3
fOCO-S/2
VW1C1
0
1
VW2F1 to VW2F0
= 01b
= 10b
= 11b
fOCO-S
fOCO-S/4
fOCO-S/8
Digital filter
= 00b
Sampling
clock
VCA13
fOCO-S/2
VW2C1
0
1
Internal reference voltage
VCA27
Shared with
voltage monitor 1
circuit
Shared with
voltage monitor 2
circuit
VW1C2
IRQ1SEL
maskable
interrupts
VW1C0
Edge
selection
circuit
non-maskable
interrupts
Pin output
selection circuit
VCOUT1
VCOUT2
LCM1POR
LCM2POR
0
1
CM1OE
0
1
CM2OE
VW2C2
IRQ2SEL
maskable
interrupts
VW2C0
non-maskable
interrupts
Edge
selection
circuit



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