Comparison between low-density and high-density devices

AN4054

6/13

Doc ID 022825 Rev 3

Figure 1.

Flow diagram

1.

The RF host shall use the extended format for the addressing mode (see Table 7).

2.

The RF host shall use the standard format for the addressing mode (see Table 7).

start

end

Send a GetSystemInfo command with the Protocol Extension flag to 1

Send a GetSystemInfo command with the Protocol Extension flag to 0

Has the tag replied to the

GetSystemInfo Response?

No or error code

Yes.

This is a high-density device

(1)

Has the tag replied to the

GetSystemInfo Response?

No

Send an Inventory command

Is the IC manufacture code 0x02?

No

Yes. This is an STMicroelectronics device

Yes.

This is a low-density device

(2)

MS30745V2