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参数资料
| 型号： | DS3231M+TRL |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/20页 |
| 文件大小： | 0K |
| 描述： | IC REAL TIME CLOCK I2C 16SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1,000 |
| 类型： | 时钟/日历 |
| 特点： | 警报器，闰年，方波输出 |
| 时间格式： | HH:MM:SS（12/24 小时） |
| 数据格式： | YY-MM-DD-dd |
| 接口： | I²C，2 线串口 |
| 电源电压： | 2.3 V ~ 5.5 V |
| 电压 - 电源，电池： | 2.3 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC W |
| 包装： | 带卷 (TR) |
| 其它名称： | 90-3231M+NTR |
±5ppm, I2C Real-Time Clock
11
Maxim Integrated
DS3231M
Clock and Calendar
The time and calendar information is obtained by read-
ing the appropriate register bytes. Table 2 shows the
RTC registers. The time and calendar data are set or
initialized by writing the appropriate register bytes. The
contents of the time and calendar registers are in the
binary-coded decimal (BCD) format. The device can
be run in either 12-hour or 24-hour mode. Bit 6 of the
Hours register is defined as the 12-hour or 24-hour mode
select bit. When high, the 12-hour mode is selected. In
the 12-hour mode, bit 5 is the AM/PM bit with logic-high
being PM. In the 24-hour mode, bit 5 is the 20-hour bit
(20–23 hours). The century bit (bit 7 of the Month regis-
ter) is toggled when the Years register overflows from 99
Table 2. Timekeeping Registers
Note: Unless otherwise specified, the registers’ state is not defined when power is first applied.
ADDRESS
BIT 7
MSB
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
LSB
FUNCTION
RANGE
00h
0
10 Seconds
Seconds
00–59
01h
0
10 Minutes
Minutes
00–59
02h
0
12/24
AM/PM
10
Hours
Hour
Hours
1–12 +
AM/PM
00–23
20
Hours
03h
0
Day
1–7
04h
0
10 Date
Date
01–31
05h
Century
0
10
Month
Month/Century
01–12 +
Century
06h
10 Year
Year
00–99
07h
A1M1
10 Seconds
Seconds
Alarm 1
Seconds
00–59
08h
A1M2
10 Minutes
Minutes
Alarm 1
Minutes
00–59
09h
A1M3
12/24
AM/PM
10
Hours
Hour
Alarm 1 Hours
1–12 +
AM/PM
00–23
20
Hours
0Ah
A1M4
DY/DT
10 Date
Day
Alarm 1 Day
1–7
Date
Alarm 1 Date
1–31
0Bh
A2M2
10 Minutes
Minutes
Alarm 2
Minutes
00–59
0Ch
A2M3
12/24
AM/PM
10
Hours
Hour
Alarm 2 Hours
1–12 +
AM/PM
00–23
20
Hours
0Dh
A2M4
DY/DT
10 Date
Day
Alarm 2 Day
1–7
Date
Alarm 2 Date
1–31
0Eh
EOSC
BBSQW
CONV
NA
INTCN
A2IE
A1IE
Control
—
0Fh
OSF
0
EN32KHZ
BSY
A2F
A1F
Status
—
10h
SIGN
DATA
Aging Offset
81h–7Fh
11h
SIGN
DATA
Temperature
MSB
—
12h
DATA
0
Temperature
LSB
—
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS3231MZ | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:5ppm, I2C Real-Time Clock Battery Backup for Continuous Timekeeping |
| DS3231MZ/V+ | 功能描述:实时时钟 TRC/TCMO MEMS 8L RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
| DS3231MZ/V+T | 功能描述:实时时钟 TRC/TCMO MEMS 8L RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
| DS3231MZ+ | 功能描述:实时时钟 5+/-ppm RTC RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
| DS3231MZ+TRL | 功能描述:实时时钟 5+/-ppm RTC RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
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