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ST25R3910 Datasheet(PDF) 3 Page - STMicroelectronics

Part # ST25R3910
Description  AM/PM demodulator
PDF  65 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST25R3910 Datasheet(HTML) 3 Page - STMicroelectronics

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DocID029768 Rev 2
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ST25R3910
Contents
4
1.3.4
Configuration Register 3 (ISO-14443A and NFC) . . . . . . . . . . . . . . . . . 40
1.3.5
Configuration Register 4 (ISO-14443B) . . . . . . . . . . . . . . . . . . . . . . . . . 41
1.3.6
Configuration Register 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
1.3.7
Receiver Configuration Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
1.3.8
Mask Interrupt Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
1.3.9
Interrupt Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
1.3.10
FIFO Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
1.3.11
Collision Register (ISO-14443A only) . . . . . . . . . . . . . . . . . . . . . . . . . . 45
1.3.12
Number of Transmitted Bytes Register 0 . . . . . . . . . . . . . . . . . . . . . . . . 46
1.3.13
Number of Transmitted Bytes Register 1 . . . . . . . . . . . . . . . . . . . . . . . . 46
1.3.14
A/D Output Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
1.3.15
Antenna Calibration Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
1.3.16
External Trim Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
1.3.17
Modulation Depth Definition Register . . . . . . . . . . . . . . . . . . . . . . . . . . 49
1.3.18
Modulation Depth Display Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
1.3.19
Antenna Driver AM Modulated Level Definition Register . . . . . . . . . . . . 50
1.3.20
Antenna Driver Non-Modulated Level Definition Register . . . . . . . . . . . 50
1.3.21
NFCIP Field Detection Threshold Register . . . . . . . . . . . . . . . . . . . . . . 51
1.3.22
Regulator Display Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
1.3.23
Regulated Voltage Definition Register . . . . . . . . . . . . . . . . . . . . . . . . . . 53
1.3.24
Receiver State Display Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
2
Pinouts and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
3
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
3.1
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
3.2
Operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
3.3
DC/AC characteristics for digital inputs and outputs . . . . . . . . . . . . . . . . 59
3.3.1
CMOS inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
3.3.2
CMOS outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
3.4
Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
4
Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
4.1
QFN32 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
5
Part numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63



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