CR14 STMicroelectronics, CR14 Datasheet - Page 15

• Manufacturer Part Number: CR14
• Description: Low Cost Iso14443 Type-b Contactless Coupler Chip With Anti-collision And Crc Management
• Manufacturer: STMicroelectronics

CR14
Table 5.
Status bit value description:
1: No error detected. The Chip_ID stored in the Slot register is valid.
0: Error detected
– Slot register = 00h: No answer frame detected from ST short range memory
– Slot register = FFh: Answer Frame detected with CRC error. Collision may have occurred
Byte 17
Byte 18
Byte 0
Byte 1
Byte 2
Byte 3
Byte 4
Byte 5
Byte 6
Byte n
Slot Marker Register Description
Status Slot
Status Slot
Bit 15
Bit 7
b
7
Status Slot
Status Slot
Bit 14
Bit 6
b
6
Slot_Register 14 = Chip_ID value detected in Slot 14
Slot_Register 15 = Chip_ID value detected in Slot 15
Slot_Register 0 = Chip_ID value detected in Slot 0
Slot_Register 1 = Chip_ID value detected in Slot 1
Slot_Register 2 = Chip_ID value detected in Slot 2
Slot_Register 3 = Chip_ID value detected in Slot 3
Status Slot
Status Slot
Bit 13
Bit 5
b
5
Number of stored Bytes: fixed to 18
Status Slot
Status Slot
Bit 12
Bit 4
b
4
.....
Status Slot
Status Slot
Bit 11
Bit 3
b
3
Status Slot
Status Slot
Bit 10
Bit 2
b
2
Status Slot
Status Slot
Bit 1
Bit 9
b
1
3 CR14 registers
Status Slot
Status Slot
Bit 0
Bit 8
b
0
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