RS5C372A-E2-F datasheet(55/57 Pages) RICOH | I2C bus SERIAL INTERFACE REAL-TIME CLOCK IC

Part No.	RS5C372A-E2-F

Description	I2C bus SERIAL INTERFACE REAL-TIME CLOCK IC

Download	57 Pages

Scroll/Zoom	100%

Manufacturer	RICOH [RICOH electronics devices division]

Direct Link	http://www.ricoh.com

Logo

55 / 57 page

RS5C372A/B

54

7.5-2 Alarm Interrupt Operation

AAFG(BAFG)=1?

Interrupt to CPU

AALE or BALE=1

AALE or BALE=0

Set alarm

(hour or minute, day-of-the-week)

Interrupt output select

Set bits

No

YES

*1

*2

*3

Alarm interrupt operation

Other

interrupt

operation

Control register 2←(00

××××101)

*1) Before setting alarm time, disable alarm function

tentatively by setting AALE or BALE to 0 in case

the set time agrees with the current time.

*2) After all alarm settings have been completed,

enable alarm function.

*3) Tentatively unlock alarm.

Write (00

101) when Alarm_A is used.

Write (00

110) when Alarm_B is used.

Similar Part No. - RS5C372A-E2-F

Manufacturer	Part No.	Datasheet	Description
RICOH electronics devic...	RS5C372A	442Kb / 59P	I2C bus SERIAL INTERFACE REAL-TIME CLOCK ICs

Manufacturer	Part No.	Datasheet	Description
RICOH electronics devic...	RS5C372B-E2-F	402Kb / 57P	I2C bus SERIAL INTERFACE REAL-TIME CLOCK IC
RICOH electronics devic...	RS5C372A	442Kb / 59P	I2C bus SERIAL INTERFACE REAL-TIME CLOCK ICs
MICORO CRYSTAL SWITZERL...	RV-8564	1Mb / 40P	I2C-Bus Interface Real Time Clock
RICOH electronics devic...	RS5C372B	474Kb / 39P	I2C-bus Serial Interface Real Time Clock (8pin SSOP)
uPI Group Inc.	UC1009	468Kb / 37P	I2C-Bus Interface Real-Time Clock Module
Epson ToYoCom	RX-8025SA	364Kb / 2P	I2C-Bus INTERFACE REAL TIME CLOCK MODULE
Epson ToYoCom	RTC-8564JE	409Kb / 2P	I2C-Bus INTERFACE REAL TIME CLOCK MODULE
uPI Group Inc.	UC1010	427Kb / 40P	I2C-Bus Interface Real-Time Clock Module
Integrated Device Techn...	IDT1339-31DVGI	350Kb / 26P	REAL-TIME CLOCK WITH SERIAL I2C INTERFACE
RICOH electronics devic...	RV5C386A	377Kb / 49P	I2C bus SERIAL INTERFACE REAL-TIME CLOCK IC WITH VOLTAGE MONITORING FUNCTION