AT88RF04C-MY1G View Datasheet(PDF) - Atmel Corporation
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AT88RF04C-MY1G Datasheet PDF : 158 Pages
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6.13.2. Command Field Description
CID:
The Card ID assigned by the ATTRIB command.
PARAM:
The PARAM byte selects the type of read operation to be performed. PARAM must be $01 for Read Fuse
Byte.
Table 44. PARAM byte options for the Read System Zone command.
Command
PARAM
ADDR
Read System Zone
$00
Address
Read Fuse Byte
$01
$FF
Read Checksum
$02
$FF
All Other Values Are Not Supported
“Lâ€
# of bytes – 1
$00
$01
ADDR:
L:
CRC:
The address must be $FF for Read Fuse Byte.
The number of bytes to read minus 1. L must be $00 for Read Fuse Byte.
Communication error detection bytes.
6.13.3. Response Field Descriptions
CID:
The PICC transmits its assigned card ID in the response.
DATA:
The Security Fuse Byte value.
Figure 4. Definition of the DATA byte received when reading the Fuse Byte of 88SC PICCs
F7
F6
F5
F4
F3
F2
F1
F0
RFU RFU RFU RFU SEC PER
CMA FAB
X
X
X
X
0
1
1
1
Default Value
.
Figure 5.
F7
RFU
X
Coding of the DATA byte received when reading the fuse byte of 88RF PICCs
F6
F5
F4
F3
F2
F1
F0
RFU RFU RFU SEC ENC
SKY
FAB
X
X
X
0
1
1
1
Default Value
ACK:
NACK:
STATUS:
CRC:
Acknowledge, the command executed correctly.
Not Acknowledge, the command did not execute correctly.
PICC status code.
Communication error detection bytes.
52 AT88SC0808/1616/3216/6416CRF, AT88RF04C
5276C–RFID–3/09
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