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PCF7935 - (PCF7930 - PCF7935) Memory Organisation

Download the PCF7935 datasheet PDF. This datasheet also covers the PCF7930 variant, as both devices belong to the same (pcf7930 - pcf7935) memory organisation family and are provided as variant models within a single manufacturer datasheet.

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Note: The manufacturer provides a single datasheet file (PCF7930_ETC.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number PCF7935
Manufacturer Unknown Manufacturer
File Size 1.03 MB
Description (PCF7930 - PCF7935) Memory Organisation
Datasheet download datasheet PCF7935 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
PCF7930/31/35 Memory organisation Memory structure Control memory flags of block 0 • Password (Bytes 0..6) The password is 56 bits long. If the pasword function has been ativated by the PAC flag, the pattern being written in this area must be transmitted by the base station with every program command. PCF7930/31/35 1 • Password Active Flag PAC (Byte 7) If PAC flag = 1 , date send to the transponder is checked for correctness of the password. • Block write Protection BWP (Byte 8) Each block of the user date can be separatelu protected agains programming by setting the block write protection. Control memory flags of block 1 • Sync_pattern (Bytes 16..23) In these 8 bytes any type of data can be stored.
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