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SR176 Datasheet(PDF) 5 Page - STMicroelectronics

Part # SR176
Description  13.56 MHz, 176-bit short range contactless user EEPROM with 64-bit Unique ID
PDF  35 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

SR176 Datasheet(HTML) 5 Page - STMicroelectronics

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SR176
List of figures
5/35
List of figures
Figure 1.
Pad connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 2.
Die floor plan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 3.
Received wave using ASK modulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 4.
SR176 request frame character format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 5.
Request start of frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 6.
Request End Of Frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 7.
Emitted wave using BPSK subcarrier modulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 8.
Answer start of frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 9.
Answer end of frame. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 10.
Example of a complete transmission frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 11.
CRC transmission rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 12.
SR176 memory mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 13.
State transition diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 14.
INITIATE request format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 15.
INITIATE response format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 16.
8-bit Chip_ID format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 17.
INITIATE frame exchange between Reader and SR176 . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 18.
SELECT request format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 19.
SELECT response format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 20.
8-bit Chip_ID format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 21.
SELECT frame exchange between Reader and SR176 . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 22.
COMPLETION request format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 23.
COMPLETION frame exchange between Reader and SR176 . . . . . . . . . . . . . . . . . . . . . 17
Figure 24.
READ_BLOCK request format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 25.
READ_BLOCK response format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 26.
READ_BLOCK frame exchange between Reader and SR176 . . . . . . . . . . . . . . . . . . . . . 19
Figure 27.
64-bit UID storage format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 28.
64-bit unique identifier of the SR176 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 29.
WRITE_BLOCK request format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 30.
WRITE_BLOCK frame exchange between Reader and SR176 . . . . . . . . . . . . . . . . . . . . 20
Figure 31.
PROTECT_BLOCK request format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 32.
PROTECT_BLOCK frame exchange between Reader and SR176 . . . . . . . . . . . . . . . . . 22
Figure 33.
GET_PROTECTION request format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 34.
GET_PROTECTION response format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 35.
GET_PROTECTION frame exchange between Reader and SR176 . . . . . . . . . . . . . . . . . 23
Figure 36.
INITIATE frame exchange between Reader and SR176 . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 37.
SELECT frame exchange between Reader and SR176 . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 38.
COMPLETION frame exchange between Reader and SR176 . . . . . . . . . . . . . . . . . . . . . 24
Figure 39.
READ_BLOCK frame exchange between Reader and SR176 . . . . . . . . . . . . . . . . . . . . . 24
Figure 40.
WRITE_BLOCK frame exchange between Reader and SR176 . . . . . . . . . . . . . . . . . . . . 24
Figure 41.
PROTECT_BLOCK frame exchange between Reader and SR176 . . . . . . . . . . . . . . . . . 24
Figure 42.
GET_PROTECTION frame exchange between Reader and SR176 . . . . . . . . . . . . . . . . . 25
Figure 43.
ASK modulated signal from the Reader to the contactless device . . . . . . . . . . . . . . . . . . . 28
Figure 44.
Frame transmission between the Reader and the contactless device . . . . . . . . . . . . . . . . 28
Figure 45.
Data jitter on the frame transmitted by the Reader in ASK . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 46.
A3 antenna specification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Figure 47.
A4 antenna specification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 48.
A5 antenna specification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31



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