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SL13A-AQFT 数据表(PDF) 10 Page - ams AG |
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SL13A-AQFT 数据表(HTML) 10 Page - ams AG |
10 / 49 page SL13A – 10 ams Datasheet: 2014-May-06 [v1-01] De tail ed De sc rip t ion A/D Converter An integrated 10-bit dual slope converter is used for the temperature, battery and external sensor voltage conversions. EEPROM Organization and Security The EEPROM is organized into 3 areas - the System area, User area and Measurement area. The System area has a fixed size and can be accessed only by the proprietary commands. It is protected by the Level 1 password - the System password. The User and Measurement areas reside in the same address space (256 blocks), but have separated passwords - the User password and the Measurement password. The User and Measurement are can be accessed by the standard ISO15693 read and write commands. The User area size can be set by the Initialize command. The minimum User area size is 1 block, the maximum is 256 blocks. The size of the Measurement area is 256 blocks minus User area. All blocks are 32 bits wide. The password protection restricts only the write-type commands. Read commands are always open. The password protection can be activated for every area individually by writing a value not equal to 0 to the password blocks. The chip also supports a One-time use secure mode. When this mode is used, all Measurement blocks are automatically locked by the chip with the Start Log command. Those blocks cannot be unlocked anymore even if the Level 3 (measurement) password is known. This mode is intended for high security applications where the 32-bit password does not provide enough confidence. Fully Passive Operation The chip can be used in fully passive mode without a battery supply. In this mode all functions are active only when the antenna is in a RF field. For extended operation range in fully passive mode, connect a 2.2 μF capacitor between the VEXT and VSS pins. The chip can be used also without this capacitor. |
类似零件编号 - SL13A-AQFT |
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类似说明 - SL13A-AQFT |
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