rx-4575lc Epson Electronics America, Inc., rx-4575lc Datasheet

rx-4575lc

Manufacturer Part Number

rx-4575lc

Description

Built-in External Event Detection. Serial Interface Real Time Clock Module

Manufacturer

Epson Electronics America, Inc.

Datasheet

1.RX-4575LC.pdf (1 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

rx-4575lc:B3

Manufacturer:

Epson

Quantity:

789

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Download datasheet (237Kb)

Signal Name Input / Output

! ! ! !

Built-in external event detection.

SERIAL INTERFACE REAL TIME CLOCK MODULE

RX - 4575 LC

(The various functions include full calendar, alarm, timer.)

*Equivalent to 1 minute of monthly deviation

Built in frequency adjusted 32.768 kHz crystal unit.

Interface Type

Operating voltage range

Wide timekeeper voltage range

Low backup current

External event detection.

Power voltage

/ EIRQ

Clock voltage

Temperature

Start-up time

DATA

FOUT

Recommended

Frequency characteristics

Block diagram

Pin Function

Specifications (characteristics)

EINA

EINB

CE 0

CE 1

/ IRQ

GND

FOE

CLK

Frequency

Oscillation

Operating

tolerance

Real time clock module

Item

DATA

CLK

CE 1

CE 0

EINB

FOUT

FOE

/ IRQN

/ EIRQN

EINA

Bidirectional

Output

Input

Symbol

Operating conditions

32.768 kHz

OPR

STA

CLK

f / f

External event input pin.

Interface is possible when both CE0 and CE1 is high level.

Serial Clock input pin.

Data input and output pin.

32.768 kHz clock output pin ( C-MOS ) .

Output is Hi-Z when OFF.

32kHz is output when input is Hi, 32kHz is OFF when input is Lo.

Interrupt output pin. ( N-ch open drain )

Connected to a positive power supply.

Connected to a ground.

= +25 C

= 40 C +85 C

Condition

INPUT

OUTPUT

INTERRUPTS

OSC

= 3.0 V

= 1.6 V

BUS

INTERFACE

CONTROLLER

Condition

CIRCUIT

DIVIDER

: 3-wire serial interface

: 1.6 V

: 1.3 V

: 0.35 A / 3 V ( Typ. )

: Chattering free input port

Min.

1.6

1.3

5.5 V

Typ.

Functions

+25

CONTROL

SHIFT REGISTER

3.0

CLOCK and

TIMER

ALARM

EVENT DETECT

5 23 *

1 Max.

3 Max.

Rating

http://www.epsontoyocom.co.jp

CALENDAR

Max.

+85

5.5

Unit

Actual size

! ! ! !

Consumpti

Current

Current consumption characteristics

Item

Symbol

32k

Performance of event input terminal.

Timer function

Event detection.

Alarm function

Overview

・Selectable Hi detection or Lo detection.

・Recognition of detection is available both the hardware

・Automatic interrupt release mode is available.

・The all 'OR' interrupt output is possible via alarm,

・As for the chattering filter,

・Built-in resistor connect and release is possible via

・Built in 12 bit counter.

・Timing period are 1 min, 1 sec, 64Hz, 4096Hz.

・Alarm setting is possible by combination of a day,

CE0, CE1 = GND

/ IRQ, / EIRQ= OFF

FOUT : output OFF

Event detection OFF

CE0, CE1 = GND

/ IRQ, / EIRQ= OFF

FOUT ; CL = 30 pF

32.768 kHz output ON

interrupt and the monitor via software.

timer and event detection.

software. Selectable pull-up or pull-down.

hours, and minutes.

Terminal connection / External dimensions (Unit:mm)

following are prepared for. ( 8ms, 31ms, 62ms, 125ms )

1. EINA

2. EINB

3. /EIRQ

4. /IRQ

5. FOE

6. FOUT

Condition

RX 4575 LC

VSOJ

Epson Toyocom

= 5 V

= 3 V

= 5 V

= 3 V

2.4

2.8

12pin

Min.

Refer to application

Typ. Max. Unit

0.45

0.35

8.0

5.0

= 40 C

12. V

10. CLK

11. CE1

9. DATA

8. CE0

7. GND

20.0

12.0

0.9

0.7

+85 C

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