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MCP79522 参数 Datasheet PDF下载

MCP79522图片预览
型号: MCP79522
PDF下载: 下载PDF文件 查看货源
内容描述: 与电池切换3V SPI实时时钟日历 [3V SPI Real-Time Clock Calendar with Battery Switchover]
分类和应用: 电池时钟
文件页数/大小: 50 页 / 946 K
品牌: MAS [ MICRO ANALOG SYSTEMS ]
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MCP7952X/MCP7951X  
8.0  
POWER-DOWN TIME-STAMP REGISTERS  
Note:  
It is strongly recommended that the timesaver function only be used when the oscillator is running. This  
will ensure accurate functionality.  
REGISTER 8-1:  
MINUTES 0X18  
U-0  
R/W  
R/W  
10 Minutes  
Minutes  
bit 7  
bit 6  
bit 4 bit 3  
bit 0  
Legend:  
R = Readable bit  
W = Writable bit  
U = Unimplemented bit, read as ‘0’  
bit 7  
Unimplemented: Read as ‘0’  
10MINUTES<2:0>: 10 Minutes  
MINUTES<3:0>: Minutes  
bit 6-4  
bit 3-0  
REGISTER 8-2:  
HOURS 0X19  
U-0  
R/W  
R/W  
12/24  
bit 6  
10 Hour  
AM/PM  
10 Hour  
bit 4 bit 3  
Hour  
bit 7  
bit 5  
bit 0  
Legend:  
R = Readable bit  
W = Writable bit  
U = Unimplemented bit, read as ‘0’  
bit 7  
bit 6  
bit 5  
bit 4  
bit 3-0  
Unimplemented: Read as ‘0’  
12/24: This is a copy of the status of the bit in register 0x03:6 at the time of the event  
10 HOUR AM/PM  
10 HOUR  
HOUR<3:0>  
REGISTER 8-3:  
DATE 0X1A  
U-0  
U-0  
R/W  
R/W  
Date  
10 Date  
bit 7  
bit 6  
bit 5  
bit 4  
bit 3  
bit 0  
Legend:  
R = Readable bit  
W = Writable bit  
U = Unimplemented bit, read as ‘0’  
bit 7-6  
bit 5-4  
bit 3-0  
Unimplemented: Read as ‘0’  
10 DATE<1:0>  
DATE<3:0>  
DS22300A-page 22  
Preliminary  
2012 Microchip Technology Inc.  
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