DEMOKITCRX14 STMicroelectronics, DEMOKITCRX14 Datasheet - Page 34

• Manufacturer Part Number: DEMOKITCRX14
• Description: RFID EVALUATION KIT ISO14443-B
• Manufacturer: STMicroelectronics
• Type: Development kitr

Specifications of DEMOKITCRX14

• Contents: CD-ROM, CRX14 Board, USB Transceiver, Samples and Documentation
• Processor To Be Evaluated: CRX14
• Interface Type: I2C
• Operating Supply Voltage: 5 V
• For Use With/related Products: CRX14
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-3704

Tag access using the CRX14 coupler
Figure 32. Anti-collision ST short range memory sequence continued
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I²C
RF ...
I²C
RF ...
I²C
RF ...
I²C
RF ...
I²C
RF ...
I²C
RF ...
I²C ...
RF
I²C ...
RF
R
S
T
A
T
Chip_ID
Chip_ID
Answer
Slot 9
Device
Select
Code
Slot 10
Slot 11
Slot 12
Slot 13
Slot 14
Slot 15
Chip_ID
Chip_ID
Answer
Slot 10
Register
Address
I/O
01h
Chip_ID Chip_ID
Chip_ID
Answer
Slot 11
R
R
E
S
T
A
T
Device
Select
Code
Chip_ID
Answer
Slot 12
Answer
Length
Frame
12h
SOF
SOF
SOF
SOF
SOF
SOF
Chip_ID
Chip_ID
Answer
Slot 13
Slot Bits
b 0 to b 7
Status
Status
Chip_ID
Chip_ID
Answer
Slot 14
96h
56h
66h
76h
86h
96h
b 8 to b 15
Slot Bits
Status Chip_ID
Status
Chip_ID
Chip_ID
Answer
Slot 15
CRC
CRC
CRC
CRC
CRC
CRC
Chip_ID
Answer
Doc ID 8880 Rev 4
Slot 0
O
S
T
P
CRC
CRC
CRC
CRC
CRC
CRC
Chip_ID
Chip_ID
Answer
Slot 1
Chip_ID
Chip_ID
Answer
EOF
EOF
EOF
EOF
EOF
EOF
Slot 2
<-->
<-->
<-->
<-->
<-->
<-->
Chip_ID Chip_ID
Chip_ID
t 0
t 0
t 0
t 0
t 0
t 0
Answer
Slot 3
<-->
<-->
<-->
<-->
<-->
<-->
t 1
t 1
t 1
t 1
t 1
t 1
Chip_ID
SOF
SOF
SOF
SOF
SOF
SOF
Answer
Slot 4
Chip_ID
Chip_ID
Answer
Slot 5
Chip_ID
Chip_ID
Chip_ID
Chip_ID
Chip_ID
Chip_ID
Chip_ID
Chip_ID
Answer
Slot 6
CRC
CRC
CRC
CRC
CRC
CRC
Chip_ID Chip_ID
Chip_ID
Answer
Slot 7
CRC
CRC
CRC
CRC
CRC
CRC
Chip_ID
Answer
Slot 8
ai09264
EOF
EOF
EOF
EOF
EOF
EOF
CRX14