参数资料
| 型号： | DS1347T+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/17页 |
| 文件大小： | 0K |
| 描述： | IC RTC/CALENDAR SPI 8TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 类型： | 时钟/日历 |
| 特点： | 警报器，闰年，SRAM |
| 时间格式： | HH:MM:SS（12/24 小时） |
| 数据格式： | YY-MM-DD-dd |
| 接口： | SPI |
| 电源电压： | 2 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-WDFN 裸露焊盘 |
| 供应商设备封装： | 8-TDFN EP |
| 包装： | 标准包装 |
| 其它名称： | DS1347T+T&RDKR |
Low-Current, SPI-Compatible
Real-Time Clock
12
Maxim Integrated
DS1347
SPI-Compatible Serial Interface
Interface the device with a microcontroller using a serial,
4-wire, SPI interface. SPI is a synchronous bus for
address and data transfer, and is used with Motorola or
other microcontrollers that have an SPI port. Four con-
nections are required for the interface: DOUT (serial-
data out); DIN (serial-data in); SCLK (serial clock); and
CS (chip select). In an SPI application, the device acts
as a slave device and the microcontroller acts as the
master. CS is asserted low by the microcontroller to initi-
ate a transfer, and deasserted high to terminate a trans-
fer. DIN transfers input data from the microcontroller to
the device. DOUT transfers output data from the device
to the microcontroller. A shift clock, SCLK, is used to
synchronize data movement between the microcon-
troller and the device. SCLK, which is generated by the
Alarm Minutes Register (1Bh)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
0
10 MINUTES
MINUTES
0
1
Alarm Hours Register (1Dh)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
AM/PM
12/
24
0
20 HR
10 HR
HOURS
1
0
1
Alarm Date Register (1Fh)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
0
10 DATE
DATE
0
1
Alarm Month Register (21h)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
0
10 MO
MONTH
0
1
Alarm Day Register (23h)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
0
DAY
0
1
Alarm Year Register (25h)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
10 YEAR
YEAR
1
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