AT88SC0404CRF(2008) 查看數據表（PDF） - Atmel Corporation
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AT88SC0404CRF Datasheet PDF : 108 Pages
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4. Command Set
The CryptoRF command set contains two types of commands: Anticollision commands, and
Active State commands. Anticollision commands are explicitly defined in ISO/IEC 14443-
3:2001. The CryptoRF Active State commands are Atmel defined commands that are compliant
with the ISO/IEC 14443-3:2001 requirements.
The CryptoRF Active State commands contain the CID code that is assigned to a card when it is
selected during the anticollision process. See the ATTRIB command for coding of the CID bits.
Table 4-1. Coding of the Command Byte for the Anticollision Command Set
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Command Name
0
0
0
0
0
1
0
1
REQB/WUPB
Slot Number
0
1
0
1
Slot MARKER
0
0
0
1
1
1
0
1
ATTRIB
0
1
0
1
0
0
0
0
HLTB
Hexidecimal
$05
$s5
$1D
$50
Table 4-2. Coding of the Command byte for the CryptoRF Active State Command Set.
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Command Name
CID
0
0
0
1
Set User Zone
CID
0
0
1
0
Read User Zone
CID
0
0
1
1
Write User Zone
CID
0
1
0
0
Write System Zone
CID
0
1
1
0
Read System Zone
CID
1
0
0
0
Verify Crypto
CID
1
0
0
1
Send Checksum
CID
1
0
1
0
DESELECT
CID
1
0
1
1
IDLE
CID
1
1
0
0
Check Password
All Other Values Are Not Supported
Hexidecimal
$c1
$c2
$c3
$c4
$c6
$c8
$c9
$cA
$cB
$cC
8 AT88SC0104/0204/0404/0808/1616/3216/6416CRF
5276A–RFID–07/08
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