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CC1020RSSR

Public Made by Adom

by adom

Texas Instruments RF Transceiver ICs, QFN-32-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Contents

README

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CC1020RSSR

Texas Instruments · RF Transceiver ICs · QFN-32-EP(7x7)

CC1020RSSR from Texas Instruments, in a QFN-32-EP(7x7). 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 PCLK input Programming clock for the SPI configuration interface.
2 PDI input Programming data input for the SPI configuration interface.
3 PDO output Programming data output for the SPI configuration interface.
4 DGND power_in Ground connection (0 V) for digital modules and digital I/O.
5 DVDD power_in Power supply (3 V typical) for digital modules and digital I/O; the same supply voltage must be used for DVDD and AVDD, within 2.3 V to 3.6 V.
6 DGND power_in Ground connection (0 V) for digital modules (substrate).
7 DCLK output Clock for data in both receive and transmit mode; can be used as receive data output in asynchronous mode, and is high-impedance in power down (BIAS_PD = 1).
8 DIO bidirectional Data input in transmit mode and data output in receive mode; can also start power-up sequencing in receive, and is high-impedance in power down (BIAS_PD = 1).
9 LOCK output PLL lock indicator, active low; can also be used as a general digital output or as receive data output in synchronous NRZ/Manchester mode, and is high-impedance in power down (BIAS_PD = 1).
10 XOSC_Q1 input Crystal oscillator or external clock input.
11 XOSC_Q2 output Crystal oscillator output.
12 AVDD power_in Power supply (3 V typical) for the crystal oscillator.
13 AVDD power_in Power supply (3 V typical) for the IF VGA.
14 LNA_EN output General digital output that can be used to control an external LNA if higher sensitivity is needed.
15 PA_EN output General digital output that can be used to control an external PA if higher output power is needed.
16 AVDD power_in Power supply (3 V typical) for the global bias generator and IF anti-alias filter.
17 R_BIAS output Connection for an external precision bias resistor (82 kΩ, ±1%).
18 AVDD power_in Power supply (3 V typical) for the LNA input stage.
19 RF_IN input RF signal input from the antenna; requires external AC coupling.
20 AVDD power_in Power supply (3 V typical) for the LNA.
21 RF_OUT output RF signal output to the antenna.
22 AVDD power_in Power supply (3 V typical) for the LO buffers, mixers, prescaler, and first PA stage.
23 AVDD power_in Power supply (3 V typical) for the VCO.
24 VC input VCO control voltage input from the external loop filter.
25 AGND power_in Ground connection (0 V) for analog modules (guard).
26 AD_REF power_in 3 V reference input for the ADC.
27 AVDD power_in Power supply (3 V typical) for the charge pump and phase detector.
28 CHP_OUT output PLL charge pump output to the external loop filter.
29 AVDD power_in Power supply (3 V typical) for the ADC.
30 DGND power_in Ground connection (0 V) for digital modules (guard).
31 DVDD power_in Power supply connection (3 V typical) for digital modules.
32 PSEL input Programming chip select, active low, for the configuration interface; has an internal pullup resistor.
33 AGND passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package QFN-32-EP(7x7)
Category RF And Wireless
Pins 33

CAD (KiCad official)

  • Symbol: CC1020RSSR
  • Footprint: Package_DFN_QFN:QFN-32-1EP_7x7mm_P0.65mm_EP4.7x4.7mm
  • 3D model: QFN-32-EP(7x7) (KiCad packages3D, STEP)
  • 3D model files: cc1020rssr-etched.step / cc1020rssr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cc1020rssr.step / cc1020rssr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (92 pp, sha256 95a068512472a742, retrieved 2026-10-08, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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