MCP79512 datasheet(20/50 Pages) MAS

20 / 50 page

MCP7952X/MCP7951X

DS22300A-page 20

Preliminary

 2012 Microchip Technology Inc.

HOURS 0X15

U-0

R/W

—

12/24

10 Hour

AM/PM

10 Hour

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: Read as ‘0’

bit 6

12/24

bit 5

10 HOUR AM/PM

bit 4

10 HOUR

bit 3-0

HOUR<3:0>

DAY 0X16

R/W

—

ALM1C2

ALM1C1

ALM1C0

ALM1IF

Day

bit 7

bit 6

bit 5

bit 4

bit 3

bit 2

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

bit 7

Unimplemented: Read as ‘0’

bit 6-4

ALM1C<2:0>: Alarm 1 Configuration bits

Sets the condition on what the Alarm will trigger. The following options are available:

- 000 – Seconds match

- 001 – Minutes match

- 010 – Hours match (logic takes into account 12/24 operation)

- 011 – Day match. Generates interrupt at 12:00:00 AM

- 100 – Date match

- 101 – Unimplemented, do not use

- 110 – Unimplemented, do not use

- 111 – Seconds, Minutes, Hour, Day, Date and Month

bit 3

ALM1IF: Alarm 1 Interrupt Flag bit

This bit is set by hardware when an alarm condition has been generated. The bit must be cleared in

software.

bit 2-0

DAY<2:0>

MCP79512 Datasheet(PDF) 20 Page - Micro Analog systems

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