LRI512 Просмотр технического описания (PDF) - STMicroelectronics

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LRI512

Memory TAG IC 512 bit High Endurance EEPROM 13.56MHz, ISO 15693 Standard Compliant with E.A.S.

STMicroelectronics 

LRI512

RESPONSE FORMAT

The Response consists of

– SOF

– Flags

– Parameters and Data

– CRC

– EOF

Table 14. General Response Format

SOF

Response

Flags

Parameters

Data CRC EOF

Response Flags

In a Response, the flags field indicates how ac-

tions have been performed by the LRI512 and

whether corresponding fields are present or not. It

consists of eight bits.

Table 15. Response Flags 1 to 8 definition

Bit 1 Error flag

0 No error

1

Error detected. Error code is

in the “Error” field.

Bit 2

RFU

0

Bit 3

RFU

0

Bit 4

Extension

flag

0 No extension

Bit 5

RFU

0

Bit 6

RFU

0

Bit 7

RFU

0

Bit 8

RFU

0

Response Error Code

If the Error Flag is set by the LRI512 in the Re-

sponse, the Error Code field is present and pro-

vides information about the error that occurred.

The following error codes are specified. Other

codes are reserved for future use.

Table 16. Response Error Code Definition

Error

Code

Meaning

03h The option is not supported

10h The specified block is not available

11h

The specified block is already locked and thus

cannot be locked again

12h

The specified block is locked and its content

cannot be changed.

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