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CC2520RHDT

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Texas Instruments RF Transceiver ICs, VQFN-28-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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CC2520RHDT

Texas Instruments · RF Transceiver ICs · VQFN-28-EP(5x5)

CC2520RHDT from Texas Instruments, in a VQFN-28-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 SO output SPI interface: Serial Out.
2 SI input SPI interface: Serial In.
3 CSn input SPI interface: Chip Select, active low.
4 GPIO5 bidirectional General purpose digital I/O.
5 GPIO4 bidirectional General purpose digital I/O.
6 GPIO3 bidirectional General purpose digital I/O.
7 GPIO2 bidirectional General purpose digital I/O.
8 DVDD power_in 1.8 V to 3.8 V digital power supply for digital pads.
9 GPIO1 bidirectional General purpose digital I/O.
10 GPIO0 bidirectional General purpose digital I/O.
11 AVDD5 power_in 1.8 V to 3.8 V analog power supply connection.
12 XOSC32M_Q2 bidirectional Crystal oscillator pin 2 (analog I/O).
13 XOSC32M_Q1 bidirectional Crystal oscillator pin 1 (analog I/O).
14 AVDD3 power_in 1.8 V to 3.8 V analog power supply connection.
15 NC unconnected Not connected.
16 AVDD2 power_in 1.8 V to 3.8 V analog power supply connection.
17 RF_P bidirectional Positive RF input signal to LNA in receive mode; positive RF output signal from PA in transmit mode.
18 NC unconnected Not connected.
19 RF_N bidirectional Negative RF input signal to LNA in receive mode; negative RF output signal from PA in transmit mode.
20 AVDD1 power_in 1.8 V to 3.8 V analog power supply connection.
21 NC unconnected Not connected.
22 AVDD4 power_in 1.8 V to 3.8 V analog power supply connection.
23 RBIAS bidirectional External precision bias resistor for reference current; 56 kΩ, ±1%.
24 AVDD_GUARD power_in Power supply connection for digital noise isolation and digital voltage regulator.
25 RESETn input External reset pin, active low.
26 VREG_EN input When high, the digital voltage regulator is active.
27 DCOUPL power_out 1.6 V to 2.0 V digital power supply output for decoupling; this pin cannot be used to supply any external devices.
28 SCLK input SPI interface: Serial Clock, maximum 8 MHz.
29 AGND passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package VQFN-28-EP(5x5)
Category RF And Wireless
Pins 29

CAD (KiCad official)

  • Symbol: CC2520RHDT
  • Footprint: Package_DFN_QFN:QFN-28-1EP_5x5mm_P0.5mm_EP3.35x3.35mm
  • 3D model: VQFN-28-EP(5x5) (KiCad packages3D, STEP)
  • 3D model files: cc2520rhdt-etched.step / cc2520rhdt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cc2520rhdt.step / cc2520rhdt.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (132 pp, sha256 a4b543243d382b6a, retrieved 2026-10-12, tier: lcsc)
  • 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