XRA00SBN18I1GE STMicroelectronics, XRA00SBN18I1GE Datasheet - Page 26

• Manufacturer Part Number: XRA00SBN18I1GE
• Manufacturer: STMicroelectronics

Specifications of XRA00SBN18I1GE

• Lead Free Status / RoHS Status: Compliant

XRA00
ScrollAllID Answer Frame Description
XRA00 devices that respond to a ScrollAllID com-
mand reply by modulating an eight bit preamble
(7Fh) followed by a 16-bit CRC and the entire
XRA00 96-bit ePC code. The XRA00 devices start
by modulating the lowest memory address data bit
Figure 28. ScrollAllID Answer Frame Structure
Kill
The Kill command is a Basic command that gives
rise to an invalid response from the XRA00 to the
ePC Reader queries.
XRA00 devices whose data starting at the location
specified by the [PTR] field (must be cleared to ‘0’)
matches the entire [VALUE] field sent by the
Reader (that is, the 16-bit CRC, 96-bit ePC code
and an 8-bit Kill Code) are erased and do not pro-
vide valid ePC data to the Reader.
Data in the [VALUE] field is compared to XRA00
memory, from the lowest to the highest XRA00
memory address. XRA00 devices whose data do
not match or that fail a parity test on any of the par-
ity bits enter the Persistence mode.
26/40
Preamble
11111110
(8 bits)
1110111111000001 110110000011011000101010000011101...10000011001011101001100111110000111100011101
CRC Data
(16 bits)
XRA00 address 00h
onward up to the highest memory address data bit.
The XRA00 ScrollAllID Answer Frame structure is
given in
in the ScrollAllID Answer Frame is calculated ac-
cordingly and stored into the XRA00 memory dur-
ing the XRA00 programming process.
The time required to Kill a XRA00 is t
4., XRA00 Backscattered Answer Modulation Pa-
rameters
command will require higher field strengths from
the Reader, and will therefore be a short-range op-
eration.
The Reader to XRA00 Request Frame for a Kill
command is similar to the Request Frame for a
EraseID or ProgramID command.
Tag ID Code
Killing a XRA00 can be done whether the
XRA00 is locked or not, assuming that the
correct Kill Code is issued during the
instruction
The Kill Code can be 00h
(96 bits)
Figure 28.
for timings). It is anticipated that the Kill
The 16-bit CRC data contained
XRA00 address 6Fh
Kill
(see
ai10767
Table