MCP7952X datasheet(12/50 Pages) MAS

12 / 50 page

MCP7952X/MCP7951X

DS22300A-page 12

Preliminary

 2012 Microchip Technology Inc.

5.0

TIME AND CONFIGURATION REGISTERS

HUNDREDTHS OF SECONDS 0X00

R/W

Tenth Seconds

Hundredths of Seconds

bit 7

bit 4 bit 3

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

bit 7-4

TENTH SECONDS<3:0>: Tenth Seconds

bit 3-0

HUNDREDTHS OF SECONDS<3:0>: Hundredths of Seconds

Note 1:

Contains the BCD Tens and Hundredths of Seconds.

SECONDS 0X01

R/W

10 Seconds

Seconds

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

ST: Start Oscillator bit

ST is the oscillator Start bit in the MCP795XX devices. Setting this bit to ‘1’ starts the oscillator and

clearing this bit to ‘0’ stops the on-board oscillator.

bit 6-4

10 SECONDS<2:0>: 10 Seconds

bit 3-0

SECONDS<3:0>: Seconds

Note 1:

Contains the BCD seconds and 10 seconds. The range is 00 to 59.

MINUTES 0X02

U-0

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’

bit 6-4

10 MINUTES<2:0>: 10 Minutes

bit 3-0

MINUTES<3:0>: Minutes

Note 1:

Contains the BCD minutes and 10 minutes. The range is 00 to 59.

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