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MCP795W21 Datasheet(PDF) 24 Page - Micro Analog systems

Part # MCP795W21
Description  SPI Real-Time Clock Calendar
PDF  54 Pages
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Manufacturer  MAS [Micro Analog systems]
Direct Link  http://www.mas-oy.com
Logo MAS - Micro Analog systems

MCP795W21 Datasheet(HTML) 24 Page - Micro Analog systems

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MCP795WXX/MCP795BXX
DS22280A-page 24
Preliminary
 2011 Microchip Technology Inc.
8.0
POWER-DOWN TIME-STAMP REGISTERS
REGISTER 8-1:
MINUTES 0X18
REGISTER 8-2:
HOUR 0X19
REGISTER 8-3:
DATE 0X1A
Note:
It is strongly recommended that the timesaver function only be used when the oscillator is running. This
will ensure accurate functionality.
URW
RW
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
bit 6-4
10 Minutes
bit 3-0
Minutes
U
RWRWRW
RW
12/24
10 Hour
AM/PM
10 Hours
Hour
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
Unimplemented
bit 6
12/24 (this is a copy of the status of the bit in register 0x03:6 at the time of the event)
bit 5
10 Hour AM/PM
bit 4
10 Hour
bit 3-0
Hour
U
U
RW
RW
RW
10 Date
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
Unimplemented
bit 5-4
10 Date
bit 3-0
Date



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