MCP79511 datasheet(10/50 Pages) MAS

Teilenummer	MCP79511

Bauteilbeschribung	3V SPI Real-Time Clock Calendar with Battery Switchover

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Hersteller	MAS [Micro Analog systems]

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10 / 50 page

MCP7952X/MCP7951X

DS22300A-page 10

Preliminary

 2012 Microchip Technology Inc.

3.3

Write Enable (EEWREN) and Write

Disable (EEWRDI)

The MCP795XX contains a write enable latch.

This latch must be set before any EEWRITE,

SRWRITE and IDWRITE operation will be completed

internally. The EEWREN instruction will set the latch, and

the EEWRDI will reset the latch.

The following is a list of conditions under which the

write enable latch will be reset:

• Power-up

• EEWRDI instruction successfully executed

• SRWRITE instruction successfully executed

• EEWRITE instruction successfully executed

• IDWRITE instruction successfully executed

FIGURE 3-4:

WRITE ENABLE SEQUENCE (EEWREN)

FIGURE 3-5:

WRITE DISABLE SEQUENCE (EEWRDI)

SCK

0

2

34

56

7

1

SI

High-Impedance

SO

CS

01

00

0

1

SCK

0

2345

67

1

SI

High-Impedance

SO

CS

01

00

0

Ähnliche Beschreibung - MCP79511

Hersteller	Teilenummer	Datenblatt	Bauteilbeschribung
Microchip Technology	MCP79510-IMS	946Kb / 50P	3V SPI Real-Time Clock Calendar with Battery Switchover 11/29/11
Microchip Technology	MCP795W1X	1Mb / 54P	3V SPI Real-Time Clock Calendar with Enhanced Features and Battery Switchover 2011-2012 11/29/11
STMicroelectronics	M41T93	787Kb / 51P	Serial SPI bus real-time clock with battery switchover
Microchip Technology	MCP7951X	899Kb / 58P	Battery-Backed SPI Real-Time Clock/Calendar 09/14/21
Microchip Technology	MCP79400	1Mb / 42P	I2C Real-Time Clock/Calendar with SRAM, Unique IDand Battery Switchover 11/29/11
NXP Semiconductors	PCA2125	1Mb / 40P	SPI Real time clock / calendar Rev.00.11-30 January 2007
	PCF2123	239Kb / 54P	SPI Real time clock/calendar Rev. 01-19 November 2008
	PCA2125	189Kb / 36P	SPI Real-time clock/calendar Rev. 01-28 July 2008
	PCF2123	1Mb / 55P	SPI Real time clock/calendar Rev. 02-4 December 2009
Micro Analog systems	MCP795WXX	969Kb / 54P	SPI Real-Time Clock Calendar

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