Renesas 4513 Informacje Techniczne Pobierz pdf (Strona 48)

4513/4514 Group

SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS

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.

Table 17 Voltage comparator characteristics

Characteristics

2 circuits (CMP0, CMP1)

CMP0-, CMP0+

(also used as AIN0, AIN1)

CMP1-, CMP1+

(also used as AIN2, AIN3)

3.0 V to 5.5 V

0.3 VDD to 0.7 VDD

Typ. 20 mV, Max.100 mV

Max. 20

Parameter

Voltage comparator function

Input pin

Supply voltage

Input voltage

Comparison check error

Response time

Fig. 31 Voltage comparator structure

CMP0–/A

IN0

CMP0+/A

IN1

–

CMP0

CMP1–/A

IN2

CMP1+/A

IN3

–

CMP1

Q33 Q32 Q31 Q30

TQ3A

TAQ3

Voltage comparator control register Q3 (4)

Note: Bits 0 and 1 of register Q3 can be only read.

1 2 ... 43 44 45 46 47 48 49 50 51 52 53 ... 98 99

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