參數(shù)資料
型號: AT24RF08C
廠商: Atmel Corp.
英文描述: Asset Identification EEPROM(雙存取EEPROM(帶一個有線串行端口和一個無線RFID端口))
中文描述: 資產(chǎn)識別的EEPROM(雙存取的EEPROM(帶一個有線串行端口和一個無線RFID的端口))
文件頁數(shù): 4/21頁
文件大?。?/td> 429K
代理商: AT24RF08C
AT24RF08C
4
For example, when SB1 is a 1, the PB1 field can be written
to any value by the system. When the PB1 field is 11, Block
1 can be written by the system. Note that the state of the
SB1 bit does not affect whether or not Block 1 can be
written.
There is no individual page Write Protection for any other
block other than block 0 within the device. Within the
remaining blocks on the chip, access permissions are con-
trolled on a block basis (PB or RF bits) or full chip basis
(WP pin) only.
Write Protection Flow
EEPROM Tamper Latch
There is an additional EEPROM tamper latch that can be
set from the RFID port and reset from the serial port of the
device. Resetting this bit from the serial port takes less
than 10 ms. Setting of this bit from the RFID side when
powered from L1/L2, takes about 7.9 ms but requires less
than 30 μA of current. See
RFID Command
on page 8.
Access to this tamper bit from the serial interface is via the
LSB of the tamper byte of the access protection page. See
Access Protection Page
below. The bit can only be set to
0 via the serial port. Attempts to write it to a value of one
are ignored.
相關PDF資料
PDF描述
AT24RF08 1K x 8 Dual Access EEPROM with RFID and Serial Interfaces
AT25010-10PI-1.8 SPI Serial EEPROMs
AT25020-10PI-1.8 SPI Serial EEPROMs
AT25040-10PI-1.8 SPI Serial EEPROMs
AT25040N-10SC-1.8 SPI Serial EEPROMs
相關代理商/技術參數(shù)
參數(shù)描述
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