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Contents

README

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CC1101RGPT

Texas Instruments · RF Transceiver ICs · QFN-20-EP(4x4)

CC1101RGPT from Texas Instruments, in a QFN-20-EP(4x4). 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 SCLK input Serial configuration interface clock input
2 SO (GDO1) output Serial configuration interface data output; functions as optional general output pin when CSn is high
3 GDO2 output Digital output pin for test signals, FIFO status signals, clear channel indicator, clock output down-divided from XOSC, or serial output RX data
4 DVDD power_in 1.8 - 3.6 V digital power supply for digital I/O and digital core voltage regulator
5 DCOUPL power_out 1.6 - 2.0 V digital power supply output for decoupling; intended for CC1101 use only and cannot supply external devices
6 GDO0 (ATEST) bidirectional Digital I/O for test signals, FIFO status signals, clear channel indicator, clock output down-divided from XOSC, serial output RX data, serial input TX data; also analog test I/O for prototype/production testing
7 CSn input Serial configuration interface chip select input
8 XOSC_Q1 bidirectional Crystal oscillator pin 1 or external clock input
9 AVDD power_in 1.8 - 3.6 V analog power supply connection
10 XOSC_Q2 bidirectional Crystal oscillator pin 2
11 AVDD power_in 1.8 - 3.6 V analog power supply connection
12 RF_P bidirectional Positive RF input signal to LNA in receive mode or positive RF output signal from PA in transmit mode
13 RF_N bidirectional Negative RF input signal to LNA in receive mode or negative RF output signal from PA in transmit mode
14 AVDD power_in 1.8 - 3.6 V analog power supply connection
15 AVDD power_in 1.8 - 3.6 V analog power supply connection
16 GND power_in Analog ground connection
17 RBIAS bidirectional External bias resistor connection for reference current
18 DGUARD power_in Power supply connection for digital noise isolation
19 GND power_in Ground connection for digital noise isolation
20 SI input Serial configuration interface data input
21 GND passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package QFN-20-EP(4x4)
Category RF And Wireless
Pins 21

CAD (KiCad official)

  • Symbol: CC1101RGPT
  • Footprint: Package_DFN_QFN:QFN-20-1EP_4x4mm_P0.5mm_EP2.5x2.5mm
  • 3D model: QFN-20-EP(4x4) (KiCad packages3D, STEP)
  • 3D model files: cc1101rgpt-etched.step / cc1101rgpt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cc1101rgpt.step / cc1101rgpt.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (112 pp, sha256 daa14cd9b83adf92, retrieved 2026-10-01, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-4-5-20251001 (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