參數(shù)資料
型號: PT7C4563UEX
廠商: Pericom
文件頁數(shù): 17/20頁
文件大小: 0K
描述: IC REAL TIME CLOCK 8MSOP
標(biāo)準(zhǔn)包裝: 1
類型: 時鐘/日歷
特點: 警報器,閏年,方波輸出
時間格式: HH:MM:SS(24 小時)
數(shù)據(jù)格式: YY-MM-DD-dd
接口: I²C,2 線串口
電源電壓: 1.7 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 8-TSSOP,8-MSOP(0.118",3.00mm 寬)
供應(yīng)商設(shè)備封裝: 8-MSOP
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: PT7C4563UEXDKR
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PT0333(09/09)
Ver: 0
6
Data Sheet
PT7C4563
Real-time Clock Module (I2C Bus)
2.
Control and status register
Addr.
(hex)
Description
D7
D6
D5
D4
D3
D2
D1
D0
Control/status 1
×
00
(default)
0
Undefined
0
Undefined
1
Undefined Undefined Undefined
Control/status 2
×
AF
×
AIE
×
01
(default)
Undefined Undefined Undefined
0
Undefined Undefined
0
SQW control
SQWE
×
RS1
RS0
0D
(default)
1
Undefined Undefined Undefined Undefined Undefined
0
a)
Alarm Interrupt
AIE: Alarm Interrupt Enable bit.
AIE
Data
Description
0
Alarm interrupt disabled
Default
Read / Write
1
Alarm interrupt enabled
AF: Alarm Flag
AF
Data
Description
0
Alarm flag inactive
Read
1
Alarm flag active
0
Alarm flag is cleared
Write
1
Alarm flag remains unchanged
b)
SQW control
SQWE: SQW output clock enable bit.
SQWE
Data
Description
0
the SQW output is inhibited and SQW output is set to high-impedance
Read / Write
1
the SQW output is activated
Default
RS1, RS0: SQW output frequency select.
RS1, RS0
Data
SQW output freq. (Hz)
00
32.768k
Default
01
1.024k
10
32
Read / Write
11
1
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