AT88RF04C-MY1G 查看數據表（PDF） - Atmel Corporation

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AT88RF04C-MY1G

CryptoRF® Specification

Atmel Corporation 

AT88SC0808/1616/3216/6416CRF, AT88RF04C

6.6.2.

Command Field Description

CID:

The Card ID assigned by the ATTRIB command.

PARAM:

The PARAM byte selects the type of write operation to be performed. PARAM = $00 selects the normal

Write User Zone command.

ADDR:

The starting address of the location to be written.

L:

The number of bytes to read minus 1. “L” cannot exceed the physical page size of the memory. In anti-

tearing mode the maximum number of bytes that can be written is 8 bytes. If the Access Register enables

Write Lock mode or Program Only mode, the maximum number of bytes that can be written is 1 byte.

Table 25. Write Characteristics of CryptoRF

CryptoRF

Part Number

Write Characteristics

Standard Write

Anti-Tearing Write

AT88RF04C

AT88SC0808CRF

AT88SC1616CRF

AT88SC3216CRF

AT88SC6416CRF

1 to 16 Bytes

1 to 16 Bytes

1 to 16 Bytes

1 to 32 Bytes

1 to 32 Bytes

1 to 8 Bytes

1 to 8 Bytes

1 to 8 Bytes

1 to 8 Bytes

1 to 8 Bytes

DATA:

CRC:

The data bytes to be written into user memory.

Communication error detection bytes.

6.6.3. Response Field Description

CID:

The PICC transmits its assigned card ID in the response.

ACK:

Acknowledge, the command executed correctly.

NACK:

Not Acknowledge, the command did not execute correctly.

STATUS: PICC status code.

CRC:

Communication error detection bytes.

31

5276C–RFID–3/09

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