データシートサーチシステム
  Japanese  ▼
ALLDATASHEET.JP

X  

Preview PDF HTML

M25PE20 データシート(PDF) 13 Page - STMicroelectronics

部品番号 M25PE20
部品情報  1 and 2 Mbit, Low Voltage, Page-Erasable Serial Flash Memories with Byte-Alterability, 33 MHz SPI Bus, Standard Pin-out
PDF  37 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M25PE20 データシート(HTML) 13 Page - STMicroelectronics

Back Button M25PE20 Datasheet HTML 9Page - STMicroelectronics M25PE20 Datasheet HTML 10Page - STMicroelectronics M25PE20 Datasheet HTML 11Page - STMicroelectronics M25PE20 Datasheet HTML 12Page - STMicroelectronics M25PE20 Datasheet HTML 13Page - STMicroelectronics M25PE20 Datasheet HTML 14Page - STMicroelectronics M25PE20 Datasheet HTML 15Page - STMicroelectronics M25PE20 Datasheet HTML 16Page - STMicroelectronics M25PE20 Datasheet HTML 17Page - STMicroelectronics Next Button
Zoom Inzoom in Zoom Outzoom out
 13 / 37 page
background image
13/37
M25PE10, M25PE20
Write Enable (WREN)
The Write Enable (WREN) instruction (Figure 8.)
sets the Write Enable Latch (WEL) bit.
The Write Enable Latch (WEL) bit must be set pri-
or to every Page Write (PW), Page Program (PP),
Page Erase (PE), and Sector Erase (SE) instruc-
tion.
The Write Enable (WREN) instruction is entered
by driving Chip Select (S) Low, sending the in-
struction code, and then driving Chip Select (S)
High.
Figure 8. Write Enable (WREN) Instruction Sequence
Write Disable (WRDI)
The Write Disable (WRDI) instruction (Figure 9.)
resets the Write Enable Latch (WEL) bit.
The Write Disable (WRDI) instruction is entered by
driving Chip Select (S) Low, sending the instruc-
tion code, and then driving Chip Select (S) High.
The Write Enable Latch (WEL) bit is reset under
the following conditions:
–Power-up
–
Write Disable (WRDI) instruction completion
–
Page Write (PW) instruction completion
–
Page Program (PP) instruction completion
–
Page Erase (PE) instruction completion
–
Sector Erase (SE) instruction completion
Figure 9. Write Disable (WRDI) Instruction Sequence
C
D
AI02281E
S
Q
2
1
34567
High Impedance
0
Instruction
C
D
AI03750D
S
Q
2
1
34567
High Impedance
0
Instruction



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37


データシート ダウンロード

Go To PDF Page


リンク URL



ALLDATASHEETはお客様のビジネスに役立ちますか？  [ DONATE ] 

Alldatasheetは   |   広告   |   お問い合わせ   |   プライバシーポリシー   |   データシートへのリンク    |   リンク交換   |   メーカーリスト
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com