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SST25PF080B датащи(PDF) 10 Page - Microchip Technology

номер детали SST25PF080B
подробное описание детали  8 Mbit 2.3-3.6V SPI Serial Flash
PDF  32 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

SST25PF080B датащи(HTML) 10 Page - Microchip Technology

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SST25PF080B
DS20005137B-page 10
 2014 Microchip Technology Inc.
bit command, 70H, must be executed prior to initiating
an AAI Word-Program instruction. Once an internal
programming operation begins, asserting CE# will
immediately drive the status of the internal flash status
on the SO pin. A ‘0’ indicates the device is busy and a
‘1’ indicates the device is ready for the next instruction.
De-asserting CE# will return the SO pin to tri-state.
While in AAI and Hardware End-of-Write detection
mode, the only valid instructions are AAI Word (ADH)
and WRDI (04H).
To exit AAI Hardware End-of-Write detection, first exe-
cute WRDI instruction, 04H, to reset the Write-Enable-
Latch bit (WEL=0) and AAI bit. Then execute the 8-bit
DBSY command, 80H, to disable RY/BY# status during
the AAI command. See Figures 4-7 and 4-8.
FIGURE 4-6:
ENABLE SO AS HARDWARE RY/BY# DURING AAI PROGRAMMING
FIGURE 4-7:
DISABLE SO AS HARDWARE RY/BY# DURING AAI PROGRAMMING
CE#
SO
SI
SCK
01 2 3 4 5 6 7
70
HIGH IMPEDANCE
MODE 0
MODE 3
25137 EnableSO.0
MSB
CE#
SO
SI
SCK
01 2 3 4 5 6 7
80
HIGH IMPEDANCE
MODE 0
MODE 3
25137 DisableSO.0
MSB



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