SH7713 datasheet(546/904 Pages) RENESAS

Part #	SH7713

Description	Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series

PDF	904 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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Section 15 Realtime Clock (RTC)

Rev.1.50 Aug. 30, 2006 Page 506 of 860

REJ09B0288-0150

Carry

detection

circuit

Bus

interface

RHRCNT

RTC

R64CNT:

RSECCNT:

RMINCNT:

RHRCNT:

RWKCNT:

RDAYCNT:

RMONCNT:

RYRCNT:

RSECAR:

64-Hz counter

Second counter

Minute counter

Hour counter

Day of the week counter

Date counter

Month counter

Year counter

Second alarm register

RMINCNT

Interrupt

control

circuit

RDAYCNT

RYRCNT

RMONCNT

Oscillator

circuit

EXTAL2

RCR2

RCR3

XTAL2

RWKCNT

RHRAR

RMINAR

RDAYAR

RWKAR

Externally

connected

circuit

Prescaler

(

÷ 2)

Prescaler

(

÷ 128)

32.768 kHz

16.384 kHz

RCR1

Comparator

R64CNT

RSECCNT

RSECAR

128Hz

Reset

30-

second

ADJ

ATI

PRI

CUI

RMINAR:

RHRAR:

RWKAR:

RDAYAR:

RMONAR:

RYRAR:

RCR1:

RCR2:

RCR3:

Minute alarm register

Hour alarm register

Day of the week alarm register

Date alarm register

Month alarm register

Year alarm register

RTC control register 1

RTC control register 2

RTC control register 3

RMONAR

RYRAR

[Legend]

Figure 15.1 RTC Block Diagram

SH7713 Datasheet(PDF) 546 Page - Renesas Technology Corp

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