M24LR64-R-DW6T/2 STMICROELECTRONICS [STMicroelectronics], M24LR64-R-DW6T/2 Datasheet - Page 3
M24LR64-R-DW6T/2
Manufacturer Part Number
M24LR64-R-DW6T/2
Description
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.M24LR64-R-DW6T2.pdf
(126 pages)
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M24LR64-R
6
7
8
9
10
11
5.8
5.9
5.10
5.11
5.12
5.13
5.14
Initial delivery state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
RF device operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
7.1
7.2
Communication signal from VCD to M24LR64-R . . . . . . . . . . . . . . . . . 39
Data rate and data coding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
9.1
9.2
9.3
9.4
Communications signal from M24LR64-R to VCD . . . . . . . . . . . . . . . . 46
10.1
10.2
10.3
Bit representation and coding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
11.1
11.2
11.3
Read operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Random Address Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Current Address Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Sequential Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Acknowledge in Read mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
VCD to M24LR64-R frames . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Page Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Minimizing system delays by polling on ACK . . . . . . . . . . . . . . . . . . . . . . 33
Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Initial dialog for vicinity cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
7.2.1
7.2.2
7.2.3
Data coding mode: 1 out of 256 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Data coding mode: 1 out of 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Start of frame (SOF) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Load modulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Subcarrier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Data rates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Bit coding using one subcarrier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
11.1.1
11.1.2
Bit coding using two subcarriers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
High data rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Power transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Operating field . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
High data rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Low data rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Doc ID 15170 Rev 8
Contents
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