RV5C348A_95 Просмотр технического описания (PDF) - RICOH Co.,Ltd.

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RV5C348A_95

4-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICS WITH VOLTAGE MONITORING FUNCTION

RICOH Co.,Ltd. 

R×5C348A/B

BLOCK DIAGRAM

32KOUT

OSCIN

OSCOUT

INTR

32kHz

OUTPUT

CONTROL

DIVIDER

OSC CORREC

DIV

-TION

COMPARATOR_W

COMPARATOR_D

ALARM_W REGISTER

(MIN,HOUR,WEEK)

ALARM_D REGISTER

(MIN,HOUR)

TIME COUNTER

(SEC,MIN,HOUR,WEEK,DAY,MONTH,YEAR)

VOLTAGE

DETECT

OSC

DETECT

ADDRESS

DECODER

ADDRESS

REGISTER

INTERRUPT CONTROL

SHIFT REGISTER

I/O

CONTROL

VDD

VSS

SCLK

SI

SO

CE

APPLICATIONS

• Communication devices (multi function phone, portable phone, PHS or pager)

• OA devices (fax, portable fax)

• Computer (desk-top and mobile PC, portable word-processor, PDA, electric note or video game)

• AV components (portable audio unit, video camera,camera, digital camera or remote controller)

• Home appliances (rice cooker, electric oven)

• Other (car navigation system, multi-function watch)

SELECTION GUIDE

Package

RS5C348A

RS5C348B

10-pin SSOP

(Pitch 0.5mm, Height 1.25mm, Size 6.4×3.5mm)

RV5C348A

PRIVN5C3C48OB NFIGURA(PTitcIhO0N.5mm,

10-pin SSOP-G

Height 1.20mm, Size

4.0×2.9mm)

32-kHz clock output

Controllable by command

Keeping output enabled

Controllable by command

Keeping output enabled

PIN CONFIGURATION

• 10-pin SSOP-G, 10-pin SSOP

32KOUT 1

SCLK

2

SO

3

SI

4

VSS

5

10 VDD

9 OSCIN

8 OSCOUT

7

CE

6 INTR

2

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