AT88RF04C-MY1G データシートの表示（PDF） - Atmel Corporation

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AT88RF04C-MY1G

CryptoRF® Specification

Atmel Corporation 

AT88SC0808/1616/3216/6416CRF, AT88RF04C

6.9.4. Error Handling

If a Write System Zone command containing transmission errors is received by the PICC, it is ignored and no response

is sent. The PICC reports errors in the status byte of the response.

Table 35. Status Codes returned in the Write System Zone response

Error/Status Message

Status Code

No errors

$00

PARAM Invalid

$A1

Address Invalid

$A2

Length Invalid

$A3

Integrated Checksum Mode Write Complete

$B0

Access denied (Write Not Allowed)

$BA

Checksum Failure

$C9

Password Required

$D9

Memory Write Error - Data Mismatch

$ED

Memory Access Error

$EE

Type

ACK

NACK

NACK

NACK

ACK

NACK

NACK

NACK

NACK

ACK/NACK

6.9.5. Notes

The Write System Zone command is identical for 88SC and 88RF CryptoRF PICCs when PARAM = $00. 88RF PICCs

do not support PARAM = $80. Automatic data write verification is performed by 88RF PICCs; this function is not

supported by 88SC PICCs.

41

5276C–RFID–3/09

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