參數(shù)資料
型號: 25C320XT
廠商: Microchip Technology Inc.
英文描述: SENSOR REFLECTIVE OBJECT
中文描述: 32K的SPI總線串行EEPROM
文件頁數(shù): 6/12頁
文件大?。?/td> 86K
代理商: 25C320XT
25C320
DS21159B-page 6
Preliminary
1996 Microchip Technology Inc.
TABLE 2-2:
WRITE PROTECT FUNCTIONALITY MATRIX
FIGURE 2-1: WRITE TO STATUS REGISTER AND/OR ARRAY FLOWCHART
WPEN
0
0
1
1
X
X
WP
X
X
Low
Low
High
High
WEL
0
1
0
1
0
1
Protected Blocks
Protected
Protected
Protected
Protected
Protected
Protected
Unprotected Blocks
Protected
Writable
Protected
Writable
Protected
Writable
Status Register
Protected
Writable
Protected
Protected
Protected
Writable
CS Returns High
Continue
WEL = 1
WEL = 1
WP is low
WPEN = 1
Write
to array
Write to
Status Register
Do not write to
Status Register
Write to the
Unprotected Block
Do not write to
Array
No
No
No
No
Yes
Yes
Yes
Yes
No
Yes
No
Yes
To other
Commands
From other
Commands
Write
to Status
Reg
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