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VOLTAGE COMPARATOR
The 4513/4514 Group has 2 voltage comparator circuits that
perform comparison of voltage between 2 pins. Table 17 shows
the characteristics of this voltage comparison.
CMP0–/A
IN0
CMP0+/A
IN1
CMP1–/A
IN2
CMP1+/A
IN3
Fig. 31 Voltage comparator structure
–
CMP0
+
–
CMP1
+
Q3
3
TQ3A
TAQ3
Register A (4)
Note: Bits 0 and 1 of register Q3 can be only read.
4513/4514 Group User's Manual
FUNCTION BLOCK OPERATIONS
Table 17 Voltage comparator characteristics
Parameter
Voltage comparator function
Input pin
Supply voltage
Input voltage
Comparison check error
Response time
Q3
Q3
Q3
Voltage comparator control register Q3 (4)
2
1
0
HARDWARE
Characteristics
2 circuits (CMP0, CMP1)
CMP0-, CMP0+
(also used as A
, A
)
IN0
IN1
CMP1-, CMP1+
(also used as A
, A
)
IN2
IN3
3.0 V to 5.5 V
0.3 V
to 0.7 V
DD
DD
Typ. 20 mV, Max.100 mV
Max. 20 s
1-47
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