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

零件编号

产品描述 (功能)

生产厂家

AT88RF04C-MY1G

CryptoRF® Specification

Atmel Corporation 

AT88SC0808/1616/3216/6416CRF, AT88RF04C

6.8.2.

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.

Table 30. PARAM byte options for the Write User Zone command for 88RF PICCs.

Command

PARAM

Write User Zone (Normal / Legacy)

$00

Write User Zone with Integrated MAC

$80

All Other Values Are Not Supported.

ADDR:

L:

The starting address of the location to be written.

The number of bytes to write minus 1. “L” cannot exceed the 16 byte physical page size of the memory. In

anti-tearing mode the maximum number of bytes that can be written is 8 bytes.

Table 31. Write Characteristics of 88RF PICCs

CryptoRF

Part Number

Write Characteristics

Normal Write

Anti-Tearing Write

AT88RF04C

1 to 16 Bytes

1 to 8 Bytes

DATA:

MAC:

CRC:

The data bytes to be written into user memory.

The checksum bytes sent to the cryptographic engine.

Communication error detection bytes.

6.8.3. 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.

37

5276C–RFID–3/09

Share Link: