PC87591L datasheet(364/437 Pages) NSC

364 / 437 page

Host-Controlled Modules and Host Interface (Continued)

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364

Revision 1.07

RTC Register Map

Seconds Register (SEC)

Location: Index 0016

Type: R/W

Index

Mnemonic

Name

Type

Reset

0016

SEC

Seconds Register

R/W

VPP PUR

0116

SECA

Seconds Alarm Register

R/W

VPP PUR

0216

MIN

Minutes Register

R/W

VPP PUR

0316

MINA

Minutes Alarm Register

R/W

VPP PUR

0416

HOR

Hours Register

R/W

VPP PUR

0516

HORA

Hours Alarm Register

R/W

VPP PUR

0616

DOW

Day Of Week Register

R/W

VPP PUR

0716

DOM

Date Of Month Register

R/W

VPP PUR

0816

MON

Month Register

R/W

VPP PUR

0916

YER

Year Register

R/W

VPP PUR

0A16

CRA

RTC Control Register A

R/W

Bit speciﬁc

0B16

CRB

RTC Control Register B

R/W

Bit speciﬁc

0C16

CRC

RTC Control Register C

R/O

Bit speciﬁc

0D16

CRD

RTC Control Register D

R/O

VPP PUR

Programmable1

1. Overlaid on RAM bytes in range 0E16-7F16.

DOMA

Date of Month Alarm Register

R/W

VPP PUR

Programmable1

MONA

Month Alarm Register

R/W

VPP PUR

Programmable1

CEN

Century Register

R/W

VPP PUR

Bit

76543210

Name

Seconds Data

Reset

00000000

Bit

Description

7-0

Seconds Data. Values may be 00 to 59 in BCD format or 00 to 3B in binary format.

PC87591L 데이터시트(PDF) 364 Page - National Semiconductor (TI)

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