ATA555811C-DBB Atmel, ATA555811C-DBB Datasheet - Page 16

• Manufacturer Part Number: ATA555811C-DBB
• Description: IC IDIC 1KBIT R/W SAWN WAFER
• Manufacturer: Atmel

Specifications of ATA555811C-DBB

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

Figure 4-3.
16
ATA5558
(a) Read Multiple Blocks using downlink CRC
(b) Read Single Block without downlink CRC
(c) Read Single Block with downlink CRC
(d) Select Tag (16 bit TagID)
Examples of Uplink CRC Generation
Data from tag
0 1 1 1
lsb .................................................................... msb
1110 0110 1010 0010 1100 0100 1000 0000
lsb .......................................... msb
CRC_d from interrogator
0000 0000 0000 0000 0011 0011 0011 0011
lsb ............................................................... msb
(D25E hex)
1 0 1 0
Data from address 06h
(CCCC 0000hex)
Data from address 06h
0 0 1 0
0 1 0 0
lsb .......................................... msb
CRC_d from interrogator
(0123 4567 hex)
1 0 1 1
1 0 0 1
(4294 hex)
Data from interrogator
0 1 0 0
lsb .......... msb
1 1 1 0 0 0
(07hex)
address
lsb ........................msb
1100 0100 1000 0000
end
0 0 1 0
( 0123hex)
TagID
lsb ............ msb
1010 1010 1010 1010 0101 0101 0101 0101
lsb ................................................................... msb
lsb ........... msb
lsb ........... msb
0 1 1 0
1111 0111 1011 0011 1101 0101 1001 0001
0 1 1 0
1 0 1 0
lsb .............................................................. msb
(06hex)
address
address
address
(15hex)
(06hex)
start
start
0 0
0 0
1 0
Data from address 07h
Data from address 07h
(AAAA 5555 hex)
CRC Generator tag or interrogator
(89ABCDEF hex)
1 0 1 0
0 0 0 0
1 0 1 0
0 1 0 1
lsb .................................................. msb
lsb .................................................. msb
lsb ................................................. msb
lsb ................................................ msb
after 92 shift operations
after 38 shift operations
after 16 shift operations
Tag CRC Generator
after 54 shift operations
CRC_u = 039Ahex
CRC_u = 6285hex
CRC_u = 2730hex
Tag CRC Generator
Tag CRC Generator
CRC_u = A955hex
0 0 0 1
1 1 0 0
Tag CRC generator
1 0 1 0
1 0 0 1
0 1 0 0
1 1 1 0
1 0 0 1
1 1 0 0
0 1 1 0
0 1 0 0
0 1 0 1
0 0 0 0
4681E–RFID–11/09