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參數(shù)資料
| 型號： | PT7C4337UE |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Real-time Clock Module (I2C Bus) |
| 中文描述： | 實時時鐘模塊（I2C總線） |
| 文件頁數(shù)： | 3/25頁 |
| 文件大?。?/td> | 640K |
| 代理商： | PT7C4337UE |
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Pin Assignment
PT0205(02/07)
Ver: 1
3
Data Sheet
PT7C4337
Real-time Clock Module (I
2
C Bus)
Pin Description
Pin no.
Pin
Type
Description
1
X1
I
Oscillator Circuit Input.
Together with X2, 32.768kHz crystal is connected between them.
Or external clock input.
2
X2
O
Oscillator Circuit Output.
Together with X1, 32.768kHz crystal is connected between them.
When 32.768kHz external input, X2 must be float.
6
SCL
I
Serial Clock Input.
SCL is used to synchronize data movement on the I
2
C serial interface.
5
SDA
I/O
Serial Data Input/Output.
SDA is the input/output pin for the 2-wire serial interface. The
SDA pin is open-drain output and requires an external pull-up resistor.
3
INTA
O
Interrupt Output.
When enabled, INTA is asserted low when the time matches the values set
in the alarm registers. This pin is an open-drain output and requires an external pull up resistor.
7
SQW/INTB
O
Square-Wave/Interrupt Output.
Programmable square-wave or interrupt output signal. It is
an open-drain output and requires an external pull up resistor.
8
VCC
P
Power.
4
GND
P
Ground.
X2
INTA
GND
VCC
SQW/INTB
SCL
6
7
8
1
2
3
X1
4
5
SDA
PT7C4337
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| PT7C4337WE | 制造商:Pericom Semiconductor Corporation 功能描述:1.8V - 5.5V, REA TIME CLOCK, 12C BUS, ALARM/CLOCK OUTPUT - Bulk |
| PT7C4337WEX | 功能描述:IC RTC ALARM 8SOIC RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 實時時鐘 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:時鐘/日歷 特點:警報器，閏年，監(jiān)控器，監(jiān)視計時器 存儲容量:- 時間格式:HH:MM:SS（12/24 小時） 數(shù)據(jù)格式:YY-MM-DD-dd 接口:I²C，2 線串口 電源電壓:2.7 V ~ 5.5 V 電壓 - 電源，電池:1.8 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) |
| PT7C433833UEX | 制造商:Pericom Semiconductor Corporation 功能描述:RESET IC |
| PT7C433833WE | 制造商:Pericom Semiconductor Corporation 功能描述: |
| PT7C43390WEX | 功能描述:IC REAL TIME CLOCK 8SOIC RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 實時時鐘 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:時鐘/日歷 特點:警報器，閏年，監(jiān)控器，監(jiān)視計時器 存儲容量:- 時間格式:HH:MM:SS（12/24 小時） 數(shù)據(jù)格式:YY-MM-DD-dd 接口:I²C，2 線串口 電源電壓:2.7 V ~ 5.5 V 電壓 - 電源，電池:1.8 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) |
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