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PCA1486U/10中文資料恩XP數(shù)據(jù)手冊(cè)PDF規(guī)格書

PCA1486U/10
廠商型號(hào)

PCA1486U/10

功能描述

32 kHz watch circuits with adaptive motor pulse

文件大小

104.53 Kbytes

頁(yè)面數(shù)量

20 頁(yè)

生產(chǎn)廠商 未知制造商
企業(yè)簡(jiǎn)稱

恩XP

中文名稱

未知制造商

數(shù)據(jù)手冊(cè)

下載地址一下載地址二

更新時(shí)間

2025-6-10 10:05:00

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PCA1486U/10規(guī)格書詳情

FEATURES

· 32 kHz oscillator, amplitude regulated with excellent

frequency stability

· High immunity of the oscillator to leakage currents

· Time calibration electrically programmable and

reprogrammable (via EEPROM)

· A quartz crystal is the only external component required

· Very low current consumption; typically 170 nA

· Output for bipolar stepping motors of different types

· Up to 50 reduction in motor current compared with

conventional circuits, by self adaption of the motor pulse

width in accordance with the required torque of the motor

· No loss of motor steps possible because of on-chip

detection of the induced motor voltage

· Indication for battery end-of-life

· Stop function for accurate timing

· Power-on reset for fast testing

· Various test modes for testing the mechanical parts of the watch and the IC.

GENERAL DESCRIPTION

The PCA148x series devices are CMOS integrated circuits

specially suited for battery-operated,

quartz-crystal-controlled wrist-watches, with a bipolar

stepping motor.

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