參數(shù)資料
型號： 25C128
廠商： Microchip Technology Inc.
英文描述： 128K 5.0V SPI Bus Serial EEPROM(4.5~5.5V,128K位,SPI總線串行EEPROM)
中文描述： 128K的5.0V SPI總線串行EEPROM（4.5?5.5V的，128K的位和SPI總線串行EEPROM的）
文件頁數(shù)： 90/170頁
文件大?。?/td> 4191K
代理商： 25C128
PIC16F62X
DS40300C-page 88
Preliminary
2003 Microchip Technology Inc.
REGISTER 13-2:
EECON1 REGISTER (ADDRESS: 9Ch)
U-0
U-0
U-0
U-0
R/W-x
R/W-0
R/S-0
R/S-x
—
—
—
—
WRERR
WREN
WR
RD
bit 7
bit 0
bit 7-4
Unimplemented:
Read as '0'
bit 3
WRERR
: EEPROM Error Flag bit
1
= A write operation is prematurely terminated (any MCLR Reset, any WDT Reset during
normal operation or BOD Reset)
0
= The write operation completed
bit 2
WREN
: EEPROM Write Enable bit
1
= Allows write cycles
0
= Inhibits write to the data EEPROM
bit 1
WR
: Write Control bit
1
= Initiates a write cycle. (The bit is cleared by hardware once write is complete. The WR bit
can only be set (not cleared) in software.
0
= Write cycle to the data EEPROM is complete
bit 0
RD
: Read Control bit
1
= Initiates an EEPROM read (read takes one cycle. RD is cleared in hardware. The RD bit
can only be set (not cleared) in software).
0
= Does not initiate an EEPROM read
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
’1’ = Bit is set
’0’ = Bit is cleared
x = Bit is unknown
相關PDF資料
PDF描述
25LC128 128K 5.0V SPI Bus Serial EEPROM(2.5~5.5V,128K位,SPI總線串行EEPROM)
25C256 256K 5.0V SPI Bus Serial EEPROM(4.5~5.5V,256K位,SPI總線串行EEPROM)
25C160 8K/16K 5.0V SPI Bus Serial EEPROM
25C080 8K 5.0V SPI Bus Serial EEPROM(4.5~5.5V,3MHz,8K位,10M次可自定時擦寫周期,EEPROM)
25C320 32K 5.0V SPI Bus Serial EEPROM
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