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LRI1K 数据表(PDF) 73 Page - STMicroelectronics

部件名 LRI1K
功能描述  1024-bit EEPROM tag IC at 13.56 MHz, with 64-bit UID and kill code, ISO 15693 and ISO 18000-3 Mode 1 compliant
PDF  86 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

LRI1K 数据表(HTML) 73 Page - STMicroelectronics

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LRI1K
Commands codes
Doc ID 17170 Rev 3
73/86
20.21
Fast Read Multiple Block
When receiving the Fast Read Multiple Block command, the LRI1K reads the selected
blocks and sends back their value in multiples of 32 bits in the response. The blocks are
numbered from '00h’ to '1Fh' in the request.
The “Number of blocks” value corresponds to the number of blocks to be read after the first
block. For example, if the “number of blocks” field contains the value 06h, 7 blocks will be
read. The maximum number of blocks that can be read is 32.
During Sequential Block Read, when the block address reaches 32, it rolls over to 0. The
Option_flag is supported. The data rate of the response is multiplied by 2.
Request parameters:
●
Option_flag
●
UID (Optional)
●
First block number
●
Number of blocks
Response parameters:
●
Block Locking Status if Option_flag is set
●
N block of data
Table 80.
Fast Read Multiple Block request format
Request
SOF
Request_
flags
Fast
Read
Multiple
Block
IC Mfg
code
UID
First
block
number
Number
of
blocks
CRC16
Request
EOF
8 bits
C3h
02h
64 bits
8 bits
8 bits
16 bits
Table 81.
Fast Read Multiple Block response format when Error_flag is NOT set
Response
SOF
Response_
flags
Block Locking
Status
Data
CRC16
Response
EOF
8 bits
8 bits(1)
1.
Repeated as needed.
32 bits(1)
16 bits
Table 82.
Block Locking status if Option_flag is set
b7
b6
b5
b4
b3
b2
b1
b0
All 0
0: Current block not locked
1: Current block locked
Table 83.
Fast Read Multiple Block response format when Error_flag is set
Response SOF
Response_flags
Error code
CRC16
Response EOF
8 bits
8 bits
16 bits



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