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BLUENRG-132

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STMicroelectronics RF Transceiver ICs, QFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Contents

README

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BLUENRG-132

STMicroelectronics · RF Transceiver ICs · QFN-32-EP(5x5)

BLUENRG-132 from STMicroelectronics, in a QFN-32-EP(5x5). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 IO10 bidirectional General purpose digital I/O; in serial1 mode it is the SWDIO SWD data signal, with internal pull-up.
2 IO9 bidirectional General purpose digital I/O; in serial1 mode it is the SWCLK SWD clock signal, with internal pull-up.
3 IO8 bidirectional General purpose digital I/O.
4 IO7/BOOT bidirectional Bootloader pin and general purpose digital I/O; it is monitored by the bootloader after power-up or hardware reset and should be low to prevent unwanted bootloader activation.
5 IO6 bidirectional General purpose digital I/O.
6 VBAT3 power_in Battery voltage input (VDD supply pin).
7 IO5 bidirectional General purpose digital I/O.
8 IO4 bidirectional General purpose digital I/O.
9 IO3 bidirectional General purpose digital I/O.
10 IO2 bidirectional General purpose digital I/O.
11 IO1 bidirectional General purpose digital I/O.
12 IO0 bidirectional General purpose digital I/O.
13 ANATEST0/IO14 bidirectional Analog output (ANATEST0, used for crystal startup measurement) or general purpose digital I/O; the pin is internally bound to ANATEST0 and a short positive pulse of about 75 µs is generated at device reset.
14 ANATEST1 output Analog output that switches high about 18 µs before a transmission and about 10 µs before a reception event, for antenna switching and coexistence control.
15 ADC1 input ADC input 1.
16 ADC2 input ADC input 2.
17 FXTAL1 input 16/32 MHz crystal connection.
18 FXTAL0 input 16/32 MHz crystal connection.
19 VBAT2 power_in Battery voltage input (VDD supply pin).
20 RF1 bidirectional Antenna and matching circuit connection.
21 RF0 bidirectional Antenna and matching circuit connection.
22 SXTAL1 input 32 kHz crystal connection.
23 SXTAL0 input 32 kHz crystal connection.
24 VBAT1 power_in Battery voltage input (VDD supply pin).
25 RESETN input System reset input.
26 SMPSFILT1 input SMPS output to external filter.
27 SMPSFILT2 bidirectional SMPS output to external filter, also used as battery voltage input.
28 VDD1V2 power_out 1.2 V digital core output.
29 IO13 bidirectional General purpose digital input; per the datasheet it can only be an input, and if unused it must be tied to GND through a pull-down resistor.
30 IO12 bidirectional General purpose digital input; per the datasheet it can only be an input, and if unused it must be tied to GND through a pull-down resistor.
31 TEST input Test pin, to be put to GND.
32 IO11 bidirectional General purpose digital I/O.
33 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package QFN-32-EP(5x5)
Category RF & Radio
Pins 33

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Operating battery supply voltage VBAT 1.7 3.6 V 162
Operating ambient temperature range TA -40 105 °C 162
DC-DC converter supply voltage input and output -0.3 3.9 V Pins: VBAT3, VBAT2, VBAT1, RESETN, SMPSFILT1, SMPSFILT2 161
DC voltage on linear voltage regulator -0.3 3.9 V Pin: VDD1V2 161
DC voltage on digital input/output pins -0.3 3.9 V Pins: DIO0 to DIO14, TEST 161
DC voltage on analog pins -0.3 3.9 V Pins: ANATEST0, ANATEST1, ADC1, ADC2 161
DC voltage on XTAL pins -0.3 1.4 V Pins: FXTAL0, FXTAL1, SXTAL0, SXTAL1 161
DC voltage on RF pins -0.3 1.4 V Pins: RF0, RF1 161
Storage temperature range TSTG -40 125 °C 161
Electrostatic discharge voltage (HBM) VESD-HBM -2 2 kV 161
Frequency range FREQ 2400 2483.5 MHz 165
RF channel center frequency RFch 2402 2480 MHz 165
Maximum output power PMAX 8 10 dBm At antenna connector 165
6 dB bandwidth for modulated carrier (1 Mbps) PBW1M 500 kHz Using resolution bandwidth of 100 kHz 165
High speed crystal oscillator frequency tolerance fTOL -50 50 ppm Includes initial accuracy, stability over temperature, aging and frequency pulling due to incorrect load capacitance 167
High speed crystal oscillator equivalent series resistance ESR 100 Ω 167
High speed crystal oscillator drive level PD 100 µW 167
Low speed crystal oscillator frequency tolerance fTOL -50 50 ppm Includes initial accuracy, stability over temperature, aging and frequency pulling due to incorrect load capacitance. 169
Low speed crystal oscillator equivalent series resistance ESR 90 kΩ 169
Low speed crystal oscillator drive level PD 0.1 µW 169
32 kHz ring oscillator frequency tolerance fTOL -500 500 ppm 169
PLL lock time LOCKTIME 40 µs 170
PLL turn-on / hop time TOTIME 150 µs Including calibration 170
Analog supply voltage (ADC) VDDA 1.7 3 3.6 V 170
Analog supply current (ADC) IDDA, AVG 0.55 mA Average current during conversion 170
Input pin voltage (ADC) VINP, iNN -50 mV With input attenuator 170
Analog temperature sensor temperature range TRANGE -40 105 °C 171
Error in temperature TERR -4 0 4 °C 171
Battery level indicator range VBLTRANGE 1.8 3.6 V 171
Battery level indicator error VBLTERR -150 150 mV After calibration 171
Ascending battery level threshold 1 VABLT1 2.56 2.72 2.88 V 171
Descending battery level threshold 1 VDBLT1 2.48 2.64 2.8 V 171
Ascending battery level threshold 2 VABLT2 2.37 2.52 2.67 V 171
Descending battery level threshold 2 VDBLT2 2.3 2.45 2.6 V 171
Ascending battery level threshold 3 VABLT3 2.2 2.32 2.475 V 171
DC voltage low-level output (digital I/O) VOL 0.4 V IOL = 3 mA 164
Pull-down value (1.8 V supply) RPD 117 202 363 kΩ Digital input and output when 1.8 V supply 113
Pull-up value (1.8 V supply) RPU 135 211 334 kΩ Digital input and output when 1.8 V supply 113
Pull-down value (3.3 V supply) RPD 53 84 144 kΩ Digital input and output when 3.3V supply 113
Pull-up value (3.3 V supply) RPU 57 81 122 kΩ Digital input and output when 3.3V supply 113
Page erase time 21.5 ms 108
Mass erase time 21.5 ms 108
Program time WRITE 44 µs 108
Program time BURSTWRITE 44 µs 1 word 108
Program time BURSTWRITE 65 µs 2 words 108
Program time BURSTWRITE 86 µs 3 words 108
Program time BURSTWRITE 107 µs 4 words 108
Thermal resistance junction-ambient Rthj-amb 34 °C/W QFN32 package 161
Thermal resistance junction-case Rthj-c 2.5 °C/W QFN32 package 161

CAD (KiCad official)

  • Symbol: BLUENRG-132
  • Footprint: Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.3x3.3mm
  • 3D model: QFN-32-EP(5x5) (KiCad packages3D, STEP)
  • 3D model files: bluenrg-132-etched.step / bluenrg-132-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bluenrg-132.step / bluenrg-132.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: STMicroelectronics datasheet (184 pp, sha256 c04914b6ac402ea9, retrieved 2026-10-28, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF