MCP795W22 datasheet(10/54 Pages) MAS | SPI Real-Time Clock Calendar

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MCP795W22 Datenblatt(PDF) 10 Page - Micro Analog systems

Teilenummer	MCP795W22

Bauteilbeschribung	SPI Real-Time Clock Calendar

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Hersteller	MAS [Micro Analog systems]

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MCP795WXX/MCP795BXX

DS22280A-page 10

Preliminary

 2011 Microchip Technology Inc.

3.3

Write Enable (EEWREN) and Write

Disable (EEWRDI)

The MCP795XXX 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

00

0

1

SCK

0

2345

67

1

SI

High-Impedance

SO

CS

01

00

00

0

0

Ähnliche Teilenummer - MCP795W22

Hersteller	Teilenummer	Datenblatt	Bauteilbeschribung
Microchip Technology	MCP795W22	1Mb / 54P	3V SPI Real-Time Clock Calendar with Enhanced Features and Battery Switchover 2011-2012 11/29/11

Ähnliche Beschreibung - MCP795W22

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