Electronic Components Datasheet Search
  English  ▼

Delete All
ON OFF
ALLDATASHEET.COM

X  

Preview PDF Download HTML

RV5C386A Datasheet(PDF) 36 Page - RICOH electronics devices division

Part No. RV5C386A
Description  I2C bus SERIAL INTERFACE REAL-TIME CLOCK IC WITH VOLTAGE MONITORING FUNCTION
Download  49 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  RICOH [RICOH electronics devices division]
Direct Link  http://www.ricoh.com
Logo RICOH - RICOH electronics devices division

RV5C386A Datasheet(HTML) 36 Page - RICOH electronics devices division

Back Button RV5C386A_03 Datasheet HTML 32Page - RICOH electronics devices division RV5C386A_03 Datasheet HTML 33Page - RICOH electronics devices division RV5C386A_03 Datasheet HTML 34Page - RICOH electronics devices division RV5C386A_03 Datasheet HTML 35Page - RICOH electronics devices division RV5C386A_03 Datasheet HTML 36Page - RICOH electronics devices division RV5C386A_03 Datasheet HTML 37Page - RICOH electronics devices division RV5C386A_03 Datasheet HTML 38Page - RICOH electronics devices division RV5C386A_03 Datasheet HTML 39Page - RICOH electronics devices division RV5C386A_03 Datasheet HTML 40Page - RICOH electronics devices division Next Button
Zoom Inzoom in Zoom Outzoom out
 36 / 49 page
background image
RV5C386A
36
3. Oscillation Halt Sensing and Supply Voltage Monitoring
The oscillation halt sensing circuit is configured to record a halt in the oscillation of 32.768-kHz clock pulses. The
supply voltage monitoring circuit is configured to record a drop in supply voltage below a threshold voltage of 2.1 or
1.6 volts. For these functions, the real-time clock has two flag bits (ie. the XSTP bit for the former and the VDET bit
for the latter) in which 1 is set once and this setting is maintained until 0 is written.
When the XSTP bit is set to 1 for the oscillation halt sensing circuit, the VDET bit is reset to 0 for the supply voltage
monitoring circuit. The relationship between the XSTP and VDET bits is shown in the table below.
XSTP
VDET
Conditions of supply voltage and oscillation
00
No drop in supply voltage below threshold voltage and no halt in oscillation
01
Drop in supply voltage below threshold voltage and no halt in oscillation
1
*
Halt on oscillation
Supply voltage
Threshold voltage (2.1 or 1.6 volts)
Setting XSTP and
VDET bits to 0
Setting XSTP and
VDET bits to 0
Internal initialization
period
(1 to 2 seconds)
Setting VDET bit to 0
Oscillation by 32.768-kHz clock pulses
Normal voltage detector
Supply voltage monitoring (VDET)
Oscillation halt sensing (XSTP)
When the XSTP bit is set to 1 in the control register 2, the F6 to F0, WALE, DALE, SCRATCH3, 12/24, TEST, CT2,
CT1, CT0, VDSL, VDET, SCRATCH1, SCRATCH2, CTFG, WAFG, and DAFG bits are reset to 0 in the oscillation
adjustment register, the control register 1, and the control register 2. The XSTP bit is also set to 1 at power-on from 0
volts. Note that the XSTP bit may be locked to 0 and the internal register broken upon instantaneous power-down.


Similar Part No. - RV5C386A_03

ManufacturerPart No.DatasheetDescription
RICOH electronics devices division
RICOH electronics devic...
RV5C386A-E2 RICOH-RV5C386A-E2 Datasheet
362Kb / 42P
   I2C-bus Real-Time Clock ICs with Voltage Monitoring Function
More results

Similar Description - RV5C386A_03

ManufacturerPart No.DatasheetDescription
RICOH electronics devices division
RICOH electronics devic...
RV5C387A RICOH-RV5C387A_03 Datasheet
376Kb / 49P
   I2C bus SERIAL INTERFACE REAL-TIME CLOCK IC WITH VOLTAGE MONITORING FUNCTION
RS5C372B-E2-F RICOH-RS5C372B-E2-F Datasheet
402Kb / 57P
   I2C bus SERIAL INTERFACE REAL-TIME CLOCK IC
RV5C386A RICOH-RV5C386A Datasheet
362Kb / 42P
   I2C-bus Real-Time Clock ICs with Voltage Monitoring Function
RV5C387A RICOH-RV5C387A Datasheet
363Kb / 42P
   I2C-bus Real-Time Clock ICs with Voltage Monitoring Function?
RS5C372A-E2-F RICOH-RS5C372A-E2-F Datasheet
402Kb / 57P
   I2C bus SERIAL INTERFACE REAL-TIME CLOCK IC
RV5C339A RICOH-RV5C339A_03 Datasheet
364Kb / 46P
   3-WIRE SERIAL INTERFACE REAL-TIME CLOCK IC WITH VOLTAGE MONITORING FUNCTION
RS5C372A RICOH-RS5C372A Datasheet
442Kb / 59P
   I2C bus SERIAL INTERFACE REAL-TIME CLOCK ICs
Integrated Device Technology
Integrated Device Techn...
IDT1339-31DVGI IDT-IDT1339-31DVGI Datasheet
350Kb / 26P
   REAL-TIME CLOCK WITH SERIAL I2C INTERFACE
RICOH electronics devices division
RICOH electronics devic...
RV5C338A RICOH-RV5C338A Datasheet
440Kb / 52P
   3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION?
RV5C339A RICOH-RV5C339A Datasheet
421Kb / 51P
   3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION???
More results


Html Pages

1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20  21  22  23  24  25  26  27  28  29  30  31  32  33  34  35  36  37  38  39  40  41  42  43  44  45  46  47  48  49 


Datasheet Download

Go To PDF Page


Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz