XRAG2_08 Datasheet, PDF(28/33 Page) STMicroelectronics – 432-bit UHF, EPCglobal Class1 Generation2 and ISO 18000-6C, contactless memory chip with user memory

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XRAG2_08 Datasheet, PDF (28/33 Pages) STMicroelectronics – 432-bit UHF, EPCglobal Class1 Generation2 and ISO 18000-6C, contactless memory chip with user memory

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XRAG2 command descriptions

Figure 19. Access command state diagram

XRAG2

Acknowledged

Req_RN(RN161) and

access_password â 0

Tag backscatters

RN162 = Handle

Open

Access (Handle,

access_password)

Tag backscatters

RN162 = Handle

Secured

Kill (Handle, kill password â 0)

ACK

Req_RN(RN161) and access_password=0

ACK, (handle), Req_RN, Read, Write,

Lock, BlockWrite, BlockErase,

invalid Kill(1)

ACK, (handle), Req_RN, Read, Write,

Lock, BlockWrite, BlockErase,

invalid Kill(1)

Tag backscatters

Handle when done

Killed

All commands

Power up and Killed

ai12333b

1. Please refer to EPCglobal Class 1 generation 2 RFID UHF specification, revision 1.0.9 for a complete

description of each command, state transition cases, and tag reply.

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