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LRI512 Datasheet(PDF) 39 Page - STMicroelectronics

Part # LRI512
Description  Memory TAG IC 512 bit High Endurance EEPROM 13.56MHz, ISO 15693 Standard Compliant with E.A.S.
PDF  54 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LRI512 Datasheet(HTML) 39 Page - STMicroelectronics

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LRI512
POOL EAS
Command Code = 0xA2
When receiving the POOL EAS Request, all
LRI512 with the non-volatile EAS bit set generate
the EAS signal.
Request parameter (Table 52 or Table 53):
– No parameter
Table 52. POOL EAS Request Format for One Sub-carrier Modulation Answer
Table 53. POOL EAS Request Format for Two Sub-carrier Modulation Answer
POOL EAS Response Format when the request
frame is correctly received
The LRI512 generates a continuous stream of 256
bits at ‘0’ using the One or Two sub-carrier modu-
lation at Low data rate ended by 2 CRC bytes.
Figure 43. POOL EAS Frame Exchange between VCD and LRI512
Request SOF
Request_Flags
POOL EAS
IC Mfg code
CRC16
Request EOF
0x00
0xA2
0x02
16 bits
Request SOF
Request_Flags
POOL EAS
IC Mfg code
CRC16
Request EOF
0x01
0xA2
0x02
16 bits
AI06841
VCD
LRI512
t1
SOF
POOL EAS
Request
EOF
256 `O' using Single sub-carrier
modulation at Low data rate



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