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25AA080A-I/MSG Scheda tecnica(PDF) 9 Page - Microchip Technology

Il numero della parte 25AA080A-I/MSG
Spiegazioni elettronici  8K SPI Bus Serial EEPROM
PDF  24 Pages
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Produttore elettronici  MICROCHIP [Microchip Technology]
Homepage  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

25AA080A-I/MSG Scheda tecnica(HTML) 9 Page - Microchip Technology

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 2003 Microchip Technology Inc.
DS21808B-page 9
25XX080A/B
2.4
Write Enable (WREN) and Write
Disable (WRDI)
The 25XX080A/B contains a write enable latch.
See
Table 2-4 for the Write-Protect Functionality Matrix.
This latch must be set before any write operation will be
completed internally. The WREN instruction will set the
latch, and the WRDI will reset the latch.
The following is a list of conditions under which the
write enable latch will be reset:
• Power-up
• WRDI instruction successfully executed
• WRSR instruction successfully executed
• WRITE instruction successfully executed
FIGURE 2-4:
WRITE ENABLE SEQUENCE (WREN)
FIGURE 2-5:
WRITE DISABLE SEQUENCE (WRDI)
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