AT89LP216_06 datasheet(56/90 Pages) ATMEL

номер детали	AT89LP216

подробное описание детали	Microcontroller with 2K Bytes Flash

PDF	90 Pages

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производитель	ATMEL [ATMEL Corporation]

домашняя страница	http://www.atmel.com

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3621A–MICRO–6/06

AT89LP216 [Preliminary]

Note:

1. Debouncing modes require the use of Timer 1 to generate the sampling delay.

Table 19-1.

ACSR

– Analog Comparator Control & Status Register

ACSR = 97H

Reset Value = XXX0 0000B

Not Bit Addressable

––

CIDL

CEN

CM3

CM1

CM0

Bit

543

Symbol

Function

CIDL

Comparator Idle Enable. If CIDL = 1 the comparator will continue to operate during Idle mode. If CIDL = 0 the

comparator is powered down during Idle mode. The comparator is always shut down during Power-down mode.

Comparator Interrupt Flag. Set when the comparator output meets the conditions specified by the CM [2:0] bits and CEN

is set. The flag must be cleared by software. The interrupt may be enabled/disabled by setting/clearing bit 6 of IE.

CEN

Comparator Enable. Set this bit to enable the comparator. Clearing this bit will force the comparator output low and

prevent further events from setting CF. When CEN = 1 the analog input pins, P1.0 and P1.1, have their digital inputs

disabled.

CM [2:0]

Comparator Interrupt Mode

CM2

CM1

CM0

Interrupt Mode

000Negative (Low) level

001Positive edge

010Toggle with debouncing(1)

011Positive edge with debouncing(1)

100Negative edge

101Toggle

110Negative edge with debouncing(1)

111Positive (High) level

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