数据表
PT7C4337
pt7c4337
Real-time Clock Module (I2C Bus)
实时时钟模块（I2C总线）
Product Features
产品特点
• Using external 32.768kHz quartz crystal
•使用外部32.768kHz石英晶体
• Supports I2
•支持I2
C-Bus's high speed mode (400 kHz)
总线的高速模式（400 kHz）
• Includes time (Hour/Minute/Second) and calendar
包括时间（小时/分钟/秒）和日历
(Year/Month/Date/Day) counter functions (BCD
（年/月/日/天）计数器功能（BCD
code)
代码）
• Programmable square wave output signal
•可编程方波输出信号
• Two Time-of-Day Alarms
•每日两次报警
• Oscillator Stop Flag
振荡器停止标志
• Operating range: 1.8V to 5.5V
•经营范围：1.8V至5.5V
Product Description
产品描述
The PT7C4337 serial real-time clock is a low-power
的pt7c4337串行实时时钟是一个低功耗
clock/calendar with two programmable time-of-day
具有两个可编程时间的时钟/日历
alarms and a programmable square-wave output.
报警和可编程方波输出。
Address and data are transferred serially via a 2-wire,
地址和数据通过串行传输2-wire，
bidirectional bus. The clock/calendar provides seconds,
双向总线。时钟/日历提供秒，
minutes, hours, day, date, month, and year information.
分钟，小时，日，日期，月和年信息。
The date at the end of the month is automatically
月底日期自动
adjusted for months with fewer than 31 days, including
调整数月少于31天，包括
corrections for leap year. The clock operates in either the
闰年改正。时钟在任一
24-hour or 12-hour format with AM/PM indicator.
24小时或12小时格式，上午/下午指示。
Table 1 shows the basic functions of PT7C4337. More
表1显示pt7c4337基本功能。更多
details are shown in section: overview of functions.
详情如图所示：功能概述。
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