ST25R3911B datasheet(114/116 Pages) STMICROELECTRONICS

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Table 53.

FIFO status register 1................................................................ 74

Table 54.

FIFO status register 2................................................................ 74

Table 55.

Collision display register .............................................................. 75

Table 56.

Number of transmitted bytes register 1 .................................................... 76

Table 57.

Number of transmitted bytes register 2 .................................................... 76

Table 58.

NFCIP bit rate detection display register ................................................... 77

Table 59.

A/D converter output register ........................................................... 77

Table 60.

Antenna calibration control register ...................................................... 78

Table 61.

Antenna calibration target register ....................................................... 78

Table 62.

Antenna calibration display register ...................................................... 79

Table 63.

AM modulation depth control register ..................................................... 79

Table 64.

AM modulation depth display register ..................................................... 80

Table 65.

RFO AM modulated level definition register ................................................. 81

Table 66.

RFO normal level definition register ...................................................... 81

Table 67.

External field detector threshold register ................................................... 82

Table 68.

Peer detection threshold as seen on RFI1 input .............................................. 82

Table 69.

Collision avoidance threshold as seen on RFI1 input .......................................... 83

Table 70.

Regulator voltage control register........................................................ 83

Table 71.

Regulator and timer display register ...................................................... 84

Table 72.

Regulated voltages ................................................................. 84

Table 73.

RSSI display register ................................................................ 85

Table 74.

RSSI ........................................................................... 85

Table 75.

Gain reduction state register ........................................................... 86

Table 76.

Capacitive sensor control register ....................................................... 86

Table 77.

Capacitive sensor display register ....................................................... 87

Table 78.

Auxiliary display register .............................................................. 87

Table 79.

Wake-up timer control register .......................................................... 88

Table 80.

Typical wake-up time ................................................................ 88

Table 81.

Amplitude measurement configuration register............................................... 89

Table 82.

Amplitude measurement reference register ................................................. 89

Table 83.

Amplitude measurement auto-averaging display register........................................ 90

Table 84.

Amplitude measurement display register ................................................... 90

Table 85.

Phase measurement configuration register ................................................. 91

Table 86.

Phase measurement reference register ................................................... 91

Table 87.

Phase measurement auto-averaging display register .......................................... 92

Table 88.

Phase measurement display register ..................................................... 92

Table 89.

Capacitance measurement configuration register ............................................. 93

Table 90.

Capacitance measurement reference register ............................................... 93

Table 91.

Capacitance measurement auto-averaging display register ...................................... 94

Table 92.

Capacitance measurement display register ................................................. 94

Table 93.

IC identity register .................................................................. 95

Table 94.

ST25R3911B pin definitions - QFN32 package .............................................. 96

Table 95.

Electrical parameters ................................................................ 98

Table 96.

Electrostatic discharge ............................................................... 98

Table 97.

Temperature ranges and storage conditions ................................................ 98

Table 98.

Operating conditions ................................................................ 99

Table 99.

CMOS inputs...................................................................... 99

Table 100. CMOS outputs.................................................................... 100

Table 101. Electrical specifications.............................................................. 100

Table 102. QFN32 5 mm x 5 mm dimensions ...................................................... 104

Table 103. VFQFPN - 32 pins, 5x5 mm, 0.5 mm pitch, very thin fine pitch quad flat no lead mechanical data ........... 105

Table 104. Ordering information scheme.......................................................... 107

Table 105. Document revision history ............................................................ 108

ST25R3911B

List of tables

DS11793 - Rev 6

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