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SRI4K bảng dữ liệu(PDF) 33 Page - STMicroelectronics

tên linh kiện SRI4K
Giải thích chi tiết về linh kiện  13.56 MHz short-range contactless memory chip with 4096-bit EEPROM and anticollision functions
PDF  46 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

SRI4K bảng dữ liệu(HTML) 33 Page - STMicroelectronics

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SRI4K
SRI4K commands
Doc 11605 Rev 5
33/46
8.6
Reset_to_inventory() command
Command code = 0Ch
On receiving the Reset_to_inventory() command, all SRI4K devices in Selected state revert
to Inventory state. The concerned SRI4K devices are thus resubmitted to the anticollision
sequence. This command is useful when two SRI4K devices with the same 8-bit Chip_ID
happen to be in Selected state at the same time. Forcing them to go through the anticollision
sequence again allows the reader to generates new Pcall16() commands and so, to set new
random Chip_IDs.
The Reset_to_inventory() command does not generate a response.
All SRI4K devices that are not in Selected state ignore the Reset_to_inventory() command.
Figure 38.
Reset_to_inventory request format
Request parameter:
●
No parameter
Figure 39.
Reset_to_inventory response format
Figure 40.
Reset_to_inventory frame exchange between reader and SRI4K
SOF
RESET_TO_INVENTORY
CRCL
CRCH
EOF
AI07682
0Ch
8 bits
8 bits
AI07680
No Response
SOF
0Ch
CRCL
CRCH EOF
AI10889
Reader
SRI4K
No Response



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