Datasheet > CBM1307AS8

CBM1307AS8

更新时间： 2024-09-14 01:14:03

品牌	Logo	应用领域
芯佰微 - COREBAI		/
页数	文件大小	规格书
38页	3305K
描述
OPERATION INSTRUCTION

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数据手册

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CBM1307AS8 数据手册

CBM1307

OPERATION INSTRUCTION

FEATURES

GENERAL DESCRIPTION



Count of seconds, minutes, hours, week

CBM1307 is essentially the binary –

decimal digital watch with a calendar, it has

the additional 56 bytes of the power

self-sufficient static RAM and possesses the

low power consumption. The addresses and

data are applied consecutively via the

two-wire bi-directional bus. The microcircuit

is intended for count of the real time in hours,

minutes and seconds, count of week days,

date, month and year. The last day of the

month is automatically adjusted for the

months of less, than 31 days, including

correction for the leap year. The watches

function in the 24-hour format or in the

12-hour format with the AM / PM-indicator.

CBM1307 has the built-in power supply

control circuit, which determines the supply

disruption and automatically switches over

the device into the battery mode.

days, date, months and years with

consideration of the leap years (before

2100);



56 bytes of the power self-sufficient RAM

for the data storage;



Two-wire consecutive interface;

Programmable rectangular output signal;

Automatic determination of the supply

voltage drop and the switching diagram;

Consumption of less than 500nА in the

back-up supply mode with the operating

generator;



Temperature range of the industrial

application: -40℃ – +85℃

Accuracy is better than ±1 minute per

month

PIN DISCRIPTION

Symbol

I/O

Pin Description

Pin for connection of the quartz resonator

Pin for battery

VBAT

GND

SDA

Ground pin

Input / output of serial data

Input of the consecutive cycle signal

Output of rectangular signal

Power supply pin

SCL

SQW/OUT

VCC

Out

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