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

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AT88RF04C-MY1G

CryptoRF® Specification

Atmel Corporation 

6.7.2. Command Field Descriptions

CID:

The Card ID assigned by the ATTRIB command.

PARAM: The PARAM byte is the ADDR H byte of Write User Zone (Large Memory) command.

Table 27. Definition of the PARAM (ADDR H) byte of the Write User Zone (Large Memory) command

Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

0

0

0

0

0

0

0

A8

ADDR:

L:

The two byte starting address of the location to be written.

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 28. Write Characteristics of Large Memory CryptoRF

CryptoRF

Part Number

Write Characteristics

Standard Write

Anti-Tearing Write

AT88SC6416CRF

1 to 32 Bytes

1 to 8 Bytes

DATA:

CRC:

The data bytes to be written into user memory.

Communication error detection bytes.

6.7.3. Response Field Descriptions

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.

34 AT88SC0808/1616/3216/6416CRF, AT88RF04C

5276C–RFID–3/09

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