Specifications

Serial port intercommunication agreement | VI-88TR development handbook
read-write protect.
Command parameter3: 1byte mem, select memory bank.
0 Kill Password
1 Access Password
2 EPC number
3
ID number in TID
4
User
Command parameter4: 1byte Lock, control word.
0
Writable
1
Writable permanently
2
Writable in secured state
3 Never writable
4 Readable and writable
5
Readable and writable
permanently
6
Readable and writable in
secured state
7
Never readable and
writable
0～3 only apply to EPC, TID and User memory bank; 4～7 only apply to Kill
Password and Access Password.
Command parameter5: 4bytes AccessPassword.
Command packet: 『40H 10+L*2 EAH address L EPC mem Lock
AccessPassword CheckSum』
Return data: if success, boot code of return packet is F0H, return data is
null.
『F0H 03H EAH address CheckSum』
090909RevA|Page 55 of 97