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参数资料
| 型号： | PT7C4307PE |
| 厂商： | PERICOM SEMICONDUCTOR CORP |
| 元件分类： | XO, clock |
| 英文描述： | 1 TIMER(S), REAL TIME CLOCK, PDIP8 |
| 封装： | LEAD FREE, MS-001BA, DIP-8 |
| 文件页数： | 5/20页 |
| 文件大小： | 517K |
| 代理商： | PT7C4307PE |
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PT0206(02/05)
Ver: 0
13
Preliminary Data Sheet
PT7C4307
Real-time Clock Module (I
2C Bus)
Slave Address
The I
2C bus device does not include a chip select pin such as is found in ordinary logic devices. Instead of using a chip select pin,
slave addresses are allocated to each device.
All communications begin with transmitting the [START condition] + [slave address (+ R/W specification)]. The receiving device
responds to this communication only when the specified slave address it has received matches its own slave address.
Slave addresses have a fixed length of 7 bits. See table for the details.
An R/W bit is added to each 7-bit slave address during 8-bit transfers.
Table
Slave address
R / W bit
Operation
Transfer data
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
Read
D1 h
1 (= Read)
Write
D0 h
1
0
1
0
0 (= Write)
I
2C Bus’s Basic Transfer Format
1)
Write via I
2C bus
S
Start indication
P
Stop indication
Sr
Restart indication
A
RTC Acknowledge
A
Master Acknowledge
Slave address (7 bits)
11
0
1
00
0
write
Addr. setting
Slave address + write specification
Address
Specifies the write start address.
A
bit
7654
3
210
bit
AP
Write data
S
A
C
K
A
C
K
A
C
K
Start
Stop
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PT7C4307W | 制造商:PERICOM 制造商全称:Pericom Semiconductor Corporation 功能描述:Real-time Clock Module (I2C Bus) |
| PT7C4307WEX | 功能描述:IC RTC ALARM NVSRAM 8SOIC RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 实时时钟 系列:- 标准包装:2,500 系列:- 类型:时钟/日历 特点:警报器，闰年，监控器，监视计时器 存储容量:- 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:2.7 V ~ 5.5 V 电压 - 电源，电池:1.8 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:14-TSSOP 包装:带卷 (TR) |
| PT7C4311WEX | 功能描述:IC RTC LEAP YEAR Y2K 8SOIC RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 实时时钟 系列:- 标准包装:2,500 系列:- 类型:时钟/日历 特点:警报器，闰年，监控器，监视计时器 存储容量:- 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:2.7 V ~ 5.5 V 电压 - 电源，电池:1.8 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:14-TSSOP 包装:带卷 (TR) |
| PT7C4337 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Real-time Clock Module (I2C Bus) |
| PT7C4337PE | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Real-time Clock Module (I2C Bus) |
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