Programming Guide

CHUMP Commands
15
Tag Commands
Tag commands are protocol dependent and perform specific
actions on a single tag or group of tags. The commands are shown
in the following table with the applicable protocol and software
version where the command was first implemented.
1 - Command works only after tag has been previously selected (Ts).
2 - If tag has no user data, the command becomes a Read Detect (Rd).
Cmd Description Rev
Ht Halt or quiet tag 1.30 ✓
Lb Lock block 1.30 ✓ ✓
Ld Lock DSFID 1.30 ✓
Lf Lock AFI 1.30 ✓
Ra Read user data (any tag) 1.20 2 ✓ ✓ ✓ ✓ ✓ 1 2
Rd Read detect 1.20 ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
Rf Read by AFI 1.30 ✓
Rn Read detect w/ new round 1.30 ✓
Rt Read user data (specific tag) 1.20 ✓ ✓ ✓ ✓ ✓ ✓
Ru Read Unselect (Protocol B) 1.30 ✓
Tm Tag mute 1.30 ✓
Tr Tag reset 1.30 ✓ ✓
Ts Tag select 1.30 ✓
Tw Tag wakeup 1.30 ✓
Wa Write user data (to any tag) 1.20 ✓ ✓ ✓ ✓ ✓ 1
Wd Write DSFID 1.30 ✓
Wf Write AFI 1.30 ✓
Wt Write user data (specific tag) 1.20 ✓ ✓ ✓ ✓ ✓ ✓ ✓
Yl Get lock block status 1.30 ✓ ✓
Ys Get system information 1.30 ✓
EM 4102/Temic HiTag 1 TIRIS Tag It Icode ISO 15693 ISO 18000-6A ISO 18000-6B EM 4022/4222