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F15353G 参数 Datasheet PDF下载

F15353G图片预览
型号: F15353G
PDF下载: 下载PDF文件 查看货源
内容描述: 2线实时时钟 [2-wire Real-time Clock]
分类和应用: 时钟
文件页数/大小: 38 页 / 996 K
品牌: FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
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Feature Integration Technology Inc.  
Fintek  
F15353  
6.5.2 Selected Frequency Steady Interrupt Output  
Set the status register_2 and the INT1# or INT2# pin output mode is set to the selected frequency steady  
interrupt output. The set clock output follows the frequency data set in INT1# register_1 or register_2.  
Ex:  
32kE=0, INT1ME=0, INT1AE=Don’t care (0 or 1) INT2ME=0 INT2AE=Don’t care (0 or 1)  
Change by the program  
INT1FE/INT2FE  
Free run output starts  
INT1# pin/INT2# pin  
OFF  
Figure 4: Timing of Selected Frequency Steady Interrupt Output  
6.5.3 Per-minute edge interrupt output  
If INT1# or INT2# pin output mode is set as the per-minute edge interrupt, INT1# or INT2# will pull low as the first  
minute carry is performed. Since the output is held, to rewrite 32kE, INT1AE, INT1ME, and INT1FE of the  
register_2 to “0” sets the output to high (OFF state) in INT1# pin output mode. IN INT2# mode, to rewrite INT2AE,  
INT2ME, and INT2FE of the register_2 to “0” or INT2AE of status register_2 to “0” will release the output from  
low to high.  
Ex:  
32kE=0, INT1ME=0, INT1AE=Don’t care (0 or 1) INT2ME=0 INT2AE=Don’t care (0 or 1)  
Change by the program  
INT1ME/INT2ME  
Minute Carrying Processing  
INT1# pin/INT2# pin  
OFF  
If the period is less than  
123us, "L" signal is output  
Figure 5: Timing of Per-minute Edge Interrupt Output  
6.5.4 Per-minute steady interrupt output1  
V0.12P  
15