MCP795B10 MAS [Micro Analog systems], MCP795B10 Datasheet - Page 12

• Manufacturer Part Number: MCP795B10
• Description: SPI Real-Time Clock Calendar
• Manufacturer: MAS [Micro Analog systems]

MCP795WXX/MCP795BXX
5.0
REGISTER 5-1:
REGISTER 5-2:
REGISTER 5-3:
DS22280A-page 12
bit 7
Legend: R = Readable Bit W = Writable Bit U = Unimplemented bit, Read as ‘0’
bit 7
Legend: R = Readable Bit W = Writable Bit U = Unimplemented bit, Read as ‘0’
bit 7
Legend: R = Readable Bit W = Writable Bit U = Unimplemented bit, Read as ‘0’
Note:
Note:
Note:
bit 7-4
bit 3-0
bit 6-4
bit 3-0
bit 6-4
bit 3-0
ST (CT)
bit 7
bit 7
RW
U
TIME AND CONFIGURATION REGISTERS
Tenth Seconds
Hundredths of Seconds
Contains the BCD Tens and Hundredths of seconds
ST (CT)
Setting this bit ‘1’ starts the oscillator and clearing this bit ‘0’ stops the on-board oscillator. For the
MCP795BXX devices the ST bit is replaced by the CT bit. Setting this bit starts the timekeeping registers
counting.
10 Seconds
Seconds
Contains the BCD seconds and 10 seconds. The range is 00 to 59.
Unimplemented
10 Minutes
Minutes
Contains the BCD minutes and 10 minutes. The range is 00 to 59.
bit 6
bit 6
Tenth Seconds
HUNDREDTHS OF SECONDS 0
SECONDS 0
MINUTES 0
RW
10 Seconds
10 Minutes
RW
RW
X
X
02
01
Preliminary
bit 4 bit 3
bit 4 bit 3
bit 4 bit 3
X
00
Hundredths of Seconds
Seconds
Minutes
RW
RW
RW
 2011 Microchip Technology Inc.
bit 0
bit 0
bit 0