ATA555811C-DDB Atmel, ATA555811C-DDB Datasheet - Page 26

• Manufacturer Part Number: ATA555811C-DDB
• Description: IC IDIC 1KBIT R/W DIE
• Manufacturer: Atmel

Specifications of ATA555811C-DDB

• Function: Read/Write
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 7-2.
7.1
26
Error Response
ATA5558
Login Read
Login Write
ResetToReady
ClearAll
Reset
Selected
ArmClear
Command Format (Continued)
0 0
0 0
0 0
0 0
0 0
0 0
If a command sequence is in any case invalid, the tag answers immediately with one of the error
codes (see
data word.
Table 7-2.
Error Code
cmd
cmd
cmd
cmd
0 1
0 1
cmd
1 1
0 1
1 1
cmd
0 1 1 1
1 1 1 0
0 0 1 0
0 1 0 0
1 0 0 0
1 1 0 1
1 0 1 1
1 0 1 0
0 1 1 0
1 1
others
Read PWD addr
Write PWD addr
1 1
1 1
1 0
0 1
0 0
1 0
Table
0 0 0 0
Error Codes
0 1
0 1
0 0 0 0
1 1 1 1
1 0 0 0
Description
Command format error – incorrect number of bits
Corrupt command (1 out of 4) encoding
Attempt to write a locked block – write command aborted
Attempt to write a protected block without a login – write command aborted
Login/Write command format error
Incorrect Login password
CRC error in command stream – command aborted
Program 0 verification error – unreliable zero level (degraded data retention)
Program 1 verification error – unreliable one level (degraded data retention)
Reserved for future use
Command
7-2). This is made up of an SOF pattern followed by a 4-bit dual pattern coded
1 0
1 1
constant CRC (96ADh)
1 0
1 0
0 0
0 0 0 0 0 0
0 0......0 0
PWD(31)...PWD(0)
PWD(31)...PWD(0)
data bits
32 '0'
Read PWD
CRC_d
SOF
SOF
SOF
SOF
SOF
SOF
OK Response
SOF
SOF
SOF
SOF
SOF
SOF
Error Response
Error code
Error code
Error code
Error code
Error code
Error code
pattern
pattern
pattern
pattern
pattern
pattern
dual
dual
dual
dual
dual
dual
4681E–RFID–11/09