P87LPC761 View Datasheet(PDF) - Philips Electronics

Part Name

Description

Manufacturer

P87LPC761

Low power, low price, low pin count (16 pin) microcontroller with 2 kbyte OTP

Philips Electronics 

Philips Semiconductors

Low power, low price, low pin count (16 pin)

microcontroller with 2 kbyte OTP

Preliminary data

P87LPC761

(P0.4) CIN1A

(P0.3) CIN1B

(P0.5) CMPREF

Vref

COMPARATOR 1

CP1

+

CO1

–

OE1

CMP1 (P0.6)

CN1

CHANGE DETECT

CMF1

INTERRUPT

(P0.1) CIN2B

CP21

COMPARATOR 2

+

CO2

–

OE2

CMP2 (P0.0)

CN2

CHANGE DETECT

CMF2

1. Bit CP2 must be set to 1 to enable CIN2B.

Figure 3. Comparator Input and Output Connections

INTERRUPT

SU01567

CP1, CN1, OE1 = 0 0 0

CIN1A

+

CO1

CMPREF

–

CP1, CN1, OE1 = 0 0 1

CIN1A

CMPREF

+

CO1

–

CMP1

CP1, CN1, OE1 = 0 1 0

CIN1A

+

Vref (1.23V)

–

CO1

CP1, CN1, OE1 = 0 1 1

CIN1A

Vref (1.23V)

+

CO1

–

CMP1

CPn, CNn, OEn = 1 0 0

CINnB

+

CMPREF

–

CPn, CNn, OEn = 1 1 0

CINnB

+

Vref (1.23V)

–

COn

COn

CPn, CNn, OEn = 1 0 1

CINnB

CMPREF

+

COn

–

CPn, CNn, OEn = 1 1 1

CINnB

Vref (1.23V)

+

COn

–

CMPn

CMPn

Figure 4. Comparator Configurations

SU01568

2002 Mar 07

10

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