Datasheet > AM0803

AM0803

更新时间： 2024-11-05 12:56:43

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AM08X5 Real-Time Clock Family

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AM08X5 Datasheet

AM08X5 Real-Time Clock Family

Ambi q Mi cr o超低功耗MCU、RTC芯片代理商：深圳擎鼎科技有限公司

系人：小姐箱：zhangkai yun@t - maxt ech. com

本公司将您提供Demo、品、开料支持，并有

：13802700180 QQ: 249750140

的技工程助您品。

用

Features

▪ Ultra-low supply current (all at 3V):

- 14 nA with RC oscillator

- 22 nA with RC oscillator and Autocalibration

- 55 nA with crystal oscillator

▪ Baseline timekeeping features:

- 32.768 kHz crystal oscillator with integrated

load capacitor/resistor

- Counters for hundredths, seconds, minutes,

hours, date, month, year, century, and week-

day

- Alarm capability on all counters

- Programmable output clock generation

(32.768 kHz to 1 year)

- Countdown timer with repeat function

- Automatic leap year calculation

▪ Advanced timekeeping features:

- Integrated power optimized RC oscillator

- Advanced crystal calibration to ± 2 ppm

- Advanced RC calibration to ± 16 ppm

- Automatic calibration of RC oscillator to crystal

oscillator

Applications

▪ Smart cards

▪ Wireless sensors and tags

▪ Medical electronics

▪ Utility meters

▪ Data loggers

▪ Appliances

▪ Handsets

▪ Consumer electronics

▪ Communications equipment

Description

- Watchdog timer with hardware reset

- Up to 256 bytes of general purpose RAM

▪ Power management features:

- Automatic switchover to VBAT

- External interrupt monitor

The Ambiq Micro AM08X5 Real Time Clock family

provides a groundbreaking combination of ultra-low

power coupled with a highly sophisticated feature

set. With power requirements significantly lower than

any other industry RTC (as low as 14 nA), these are

the first semiconductors based on Ambiq Micro’s

- Programmable low battery detection threshold

- Programmable analog voltage comparator

innovative SPOT (Subthreshold Power Optimized

▪ I C (up to 400 kHz) and 3-wire or 4-wire SPI (up

Technology) CMOS platform. The AM08X5 includes

on-chip oscillators to provide minimum power

consumption, full RTC functions including battery

backup and programmable counters and alarms for

to 2 MHz) serial interfaces available

▪ Operating voltage 1.5-3.6 V

▪ Clock and RAM retention voltage 1.5-3.6 V

▪ Operating temperature –40 to 85 °C

▪ All inputs include Schmitt Triggers

▪ 3x3 mm QFN-16 package

timer and watchdog functions, and either an I C or

SPI serial interface for communication with a host

controller.

▪ Also available in wafer form

Ambiq Micro Inc.

www.ambiqmicro.com

11305 Four Points Drive, Building 2, Suite 250

Austin, TX 78726

2014 Ambiq Micro, Inc.

April 2014

12 3 4 5 6 7...79

中文翻译

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AM0813	ETC	获取价格	AM08X5 Real-Time Clock Family
AM0814	ETC	获取价格	AM08X5 Real-Time Clock Family
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