Product Information

MR-MINI-RTC

MR-MINI-RTC electronic component of Gravitech

Datasheet
Clock & Timer Development Tools MINI I2C REAL TIME CLOCK

Manufacturer: Gravitech
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)

1: USD 23.7705 ea
Line Total: USD 23.77

0 - Global Stock
MOQ: 1  Multiples: 1
Pack Size: 1
Availability Price Quantity
0 - Warehouse 1


Ships to you between Fri. 10 May to Tue. 14 May

MOQ : 1
Multiples : 1

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MR-MINI-RTC
Gravitech

1 : USD 24.3075
25 : USD 23.3352
100 : USD 23.2722
250 : USD 22.9194

     
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RoHS - XON
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Type
Tool Is For Evaluation Of
Operating Supply Voltage
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Interface Type
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TM 2 MR-MINI-RTC I C Real Time Clock Board User Manual GRAVITECH.US uResearch GRAVITECH GROUP Copyright 2007 MicroResearch GRAVITECH GROUP WWW.GRAVITECH.US TM 2 MR-MINI-RTC I C Real Time Clock Board User Manual Features: Description 2 I C bus interface operating supply The MR-MINI-RTC is a Real Time Clock voltage: 2.5V to 6V (RTC) board. It display time base such as Clock function with four year calendar clock, timer, and calendar. Moreover, it can be a counter for an external clock. The data 24 or 12 hour format 2 can be interface via I C bus. There are no Thermal shutdown and current limit external components required. This makes it protection perfect for embedded systems that need On-board variable capacitor for RTC. The board is small can compact in size frequency adjustment 2.20 x 1.70 inches. Jumpers setting configuration Small and compact in size There are two modes of operation RTC Four mounting holes on each corner mode and counter mode. When using RTC Male and female output headers mode, there is a variable capacitor for frequency crystal adjustment. This makes crystal create correct frequency result in Interfacing: accurate time base. There is a on-board battery backup when there is no power apply to the board. This enable RTC to run There are two set of jumpers must be continuously even without power supply. configure. The first set is DIS/ENA jumpers. When using counter mode (CNT), user can These jumpers connect R pulled-up to SDA, input pulse signal from external generated SCL and INT pins. If there are pulled-up source via a header pin. Moreover, there is resistors on the bus already, these jumpers an on-board push button switch so user can need to be in disable (DIS) positions. generate the pulse to test or experiment with Otherwise, the jumpers need to be on this feature. enable (ENA) position. The MR-MINI-RTC is designed base on LM2575-5 IC. It is a clock/calendar circuit based on a 2048-bit static CMOS RAM organized as 256 words by 8 bits. Addresses and data are transferred serially via the two- 2 line bidirectional I C bus. The built-in word address register is incremented automatically after each written or read data byte. FIG 1: Pulled-up R enable FIG 2: Pulled-up R disable Please take a look at PCF8583 datasheet for more information. Copyright 2007 MicroResearch GRAVITECH GROUP WWW.GRAVITECH.US

Tariff Desc

8543.70.00 Other machines and apparatus Free
13 Signal processors (graphic equalisers, crossovers etc.) 91 Other Free

9027.10.00 Instruments and apparatus for physical or chemical analysis (eg, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes Free

9031.80.00 MEASURING OR CHECKING INSTRUMENTS, APPLIANCES AND MACHINES, NOT SPECIFIED OR INCLUDED ELSEWHERE IN THIS CHAPTER; PROFILE PROJECTORS Other instruments, appliances and machines Free

9030.31.00 Oscilloscopes, spectrum analysers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, x-ray, cosmic or other ionising radiations.
Other instruments and apparatus, for measuring or checking voltage, current, resistance or power Multimeters without a recording device Free

8473.30.00 Parts and accessories of the machines of 8471 AUTOMATIC DATA PROCESSING MACHINES AND UNITS THEREOF; MAGNETIC OR OPTICAL READERS, MACHINES FOR TRANSCRIBING DATA ONTO DATA MEDIA IN CODED FORM AND MACHINES FOR PROCESSING SUCH DATA, NOT ELSEWHERE SPECIFIED OR INCLUDED:
.Other 71 No Weighing less than 1kg Free

8537 BOARDS, PANELS, CONSOLES, DESKS, CABINETS AND OTHER BASES, EQUIPPED WITH TWO OR MORE APPARATUS OF 8535 OR 8536, FOR ELECTRIC CONTROL OR THE DISTRIBUTION OF ELECTRICITY, INCLUDING THOSE INCORPORATING INSTRUMENTS OR APPARATUS OF CHAPTER 90, AND NUMERICAL CONTROL APPARATUS, OTHER THAN SWITCHING APPARATUS OF 8517:
8538 PARTS SUITABLE FOR USE SOLELY OR PRINCIPALLY WITH THE APPARATUS OF 8535, 8536 OR 8537:
8538.10.10 22 For programmable controllers Free

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