11
4.0 PC PROGRAM OPERATION
WINDOWS PC PROGRAM
Function PCF7930/31
Write
Format – Write bytes to access control memory PCF7930/31 - blocks 0 and 1
RB1 (read block 1) always read block 1 before the others.
RFB (read first block) number of first block to read.
RLB (read last block) number of last block to read.
BWR (block write protection) set write protection: MSB for block 0, LSB for block 7.
Program – write to transponder.
Byte/Block - Write string of bytes: block number (0-7), bytes (0-F) – hex.
ATTENTION!
Be careful while writing blocks 0 and 1. These blocks store information for access control.
Program – write to transponder.
Save – save to file.
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