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

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AT88RF04C-MY1G

CryptoRF® Specification

Atmel Corporation

AT88RF04C-MY1G Datasheet PDF : 158 Pages

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6.6.4. Error Handling

If a Write User 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 26. Status Codes returned in the Write User Zone response

Error/Status Message

No errors

Write Pending – Checksum Required

One Byte Written (Write Lock Mode)

Access Denied (User Zone Not Set)

Access Denied (Security Fuses Invalid)

PARAM Invalid

Address Invalid

Length Invalid

Authentication or Encryption Activation Required

Data Written (Program Only Mode)

Access denied (Write Lock Mode)

Checksum Failure

Password Required

Modify Forbidden

Memory Write Error - Data Mismatch

Memory Access Error

Status Code

$00

$0C

$1B

$99

$A1

$A2

$A3

$A9

$B0

$B9

$C9

$D9

$E9

$ED

$EE

Type

ACK

NACK

ACK

NACK

ACK/NACK

6.6.5. Notes

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

write verification is performed by 88RF PICCs; this function is not supported by 88SC PICCs.

32 AT88SC0808/1616/3216/6416CRF, AT88RF04C

5276C–RFID–3/09

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