RV5C387A_03 Datasheet, PDF (2/49 Pages) RICOH electronics devices division – I2C bus SERIAL INTERFACE REAL-TIME CLOCK IC WITH VOLTAGE MONITORING FUNCTION

RV5C387A
Note
· I²C bus is a trademark of PHILIPS ELECTRONICS N.V.
· Purchase of I²C components of Ricoh Company, Ltd. conveys a license under the Philips I²C Patent Rights to
use these components in an I²C system, provided that the system comforms to the I²C Standard
Specification as defined by Philips.
BLOCK DIAGRAM
32KOUT
32kHz
OUTPUT
CONTROL
OSCIN
OSCOUT
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
INTRA
INTRB
INTRC
OSC
DETECT
ADDRESS
DECODER
ADDRESS
REGISTER
INTERRUPT CONTROL
SHIFT REGISTER
I/O
CONTROL
VDD
VSS
SCL
SDA
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)
PIN CONFIGURATION
• 10-pin SSOP-G
32KOUT ¹
SCL
2
SDA
3
INTRC
4
VSS
5
10 VDD
9 OSCIN
8 OSCOUT
7 INTRB
6 INTRA
2