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25PE20VP Datasheet(PDF) 46 Page - STMicroelectronics

Part # 25PE20VP
Description  1 and 2 Mbit, low voltage, Page-Erasable Serial Flash memories with Byte-Alterability, 50 MHz SPI bus, standard pinout
PDF  60 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

25PE20VP Datasheet(HTML) 46 Page - STMicroelectronics

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Reset
M25PE20, M25PE10
46/60
8
Reset
Driving Reset (Reset) Low while an internal operation is in progress will affect this operation
(write, program or erase cycle) and data may be lost.
All the Lock bits are reset to 0 after a Reset Low pulse.
Table 14 shows the status of the device after a Reset Low pulse.
Table 14.
Device status after a Reset Low pulse
Conditions:
Reset pulse occurred
Lock bits status
Internal logic
status
Addressed data
While decoding an instruction(1): WREN,
WRDI, RDID, RDSR, READ, RDLR,
Fast_Read, WRLR, PW, PP, PE, SE, BE,
SSE, DP, RDP
1.
S remains Low while Reset is Low.
Reset to 0
Same as POR
Not significant
Under completion of an Erase or Program
cycle of a PW, PP, PE, SSE, SE, BE
operation
Reset to 0
Equivalent to
POR
Addressed data
could be modified
Under completion of a WRSR operation
Reset to 0
Equivalent to
POR (after tW)
Write is correctly
completed
Device deselected (S High) and in Standby
mode
Reset to 0
Same as POR
Not significant



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