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README

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CC2340R53E0RKPR

Texas Instruments · IC · VQFN-40(5x5)

CC2340R53E0RKPR from Texas Instruments, in a VQFN-40(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 VDDR power_in Internal regulated supply (VDDR) pin; must stay connected even when DC/DC is unused, with the 10µF capacitor kept on the VDDR net.
2 DIO8 bidirectional Digital I/O (GPIO8) muxable to SPI0SCLK, UART0RTS, T1C0N, I2C0SDA, T0C0N and DTB3.
3 DIO9 bidirectional Digital I/O (GPIO9) muxable to T3C0 and LRFD3.
4 DIO10 bidirectional Digital I/O (GPIO10) muxable to LPCO, T2PE and T3C0N.
5 DIO11 bidirectional Digital I/O (GPIO11) muxable to SPI0CSN, T1C2N, T0C0, LRFD0, SPI0POCI and DTB9.
6 DIO12 bidirectional High-drive digital I/O (GPIO12) muxable to SPI0POCI, SPI0PICO, UART0RXD, T1C1, I2C0SDA and DTB13.
7 DIO13 bidirectional Digital I/O (GPIO13) muxable to SPI0POCI, SPI0PICO, UART0TXD, T0C0N, T1F and DTB4.
8 VDDS power_in Main supply input, operating range 1.71V to 3.8V.
9 DIO14 bidirectional Digital I/O (GPIO14) muxable to T3C2, T1C2N, LRFD5 and T1F.
10 DIO15 bidirectional Digital I/O (GPIO15) muxable to UART0RXD, T2C0N and CKMIN (HFOSC tracking loop input).
11 DIO16_SWDIO bidirectional High-drive digital I/O (GPIO16) that carries serial wire debug data SWDIO, also muxable to SPI0PICO, UART0RXD, I2C0SDA, T1C2, T1C0N and DTB10.
12 DIO17_SWDCK bidirectional High-drive digital I/O (GPIO17) that carries serial wire debug clock SWDCK, also muxable to SPI0SCLK, UART0TXD, I2C0SCL, T1C1N, T0C2 and DTB11.
13 DIO18 bidirectional High-drive digital I/O (GPIO18) muxable to T3C0, LPCO, UART0TXD, SPI0SCLK and DTB12.
14 DIO19 bidirectional High-drive digital I/O (GPIO19) muxable to T3C1, T2PE, SPI0PICO and DTB0.
15 DIO20_A11 bidirectional Digital I/O (GPIO20) with analog capability as ADC channel 11 input (ANA11), muxable to LPCO, UART0, T1C0, SPI0POCI and DTB14.
16 DIO21_A10 bidirectional Digital I/O (GPIO21) with analog capability as ADC channel 10 / low power comparator positive input (ANA10), muxable to UART0CTS, T1C1N, T0C1, SPI0POCI, LRFD1 and DTB15.
17 VDDS power_in Main supply input, operating range 1.71V to 3.8V.
18 DIO22_A9 bidirectional Digital I/O (GPIO22) with analog capability as ADC channel 9 input (ANA9), muxable to T2C0, UART0RXD, T3C1N and DTB1.
19 DIO23_A8 bidirectional Digital I/O (GPIO23) with analog capability as ADC channel 8 / low power comparator input (ANA8), muxable to T2C1 and T3C2N.
20 DIO24_A7 bidirectional High-drive digital I/O (GPIO24) with analog capability as ADC channel 7 / low power comparator positive input (ANA7), muxable to SPI0SCLK, T1C0, T3C0, T0PE, I2C0SCL and DTB5.
21 DIO25_A6 bidirectional Digital I/O (GPIO25) with analog capability as ADC channel 6 input (ANA6), muxable to SPI0POCI, I2C0SCL and T2C2N.
22 DIO0_A5 bidirectional Digital I/O (GPIO0) with analog capability as ADC channel 5 input (ANA5), muxable to SPI0CSN, I2C0SDA and T3C2.
23 DIO1_A4 bidirectional Digital I/O (GPIO1) with analog capability as ADC channel 4 input (ANA4), muxable to T3C1, LRFD7, T1F, UART0RTS and DTB2.
24 DIO2_A3 bidirectional Digital I/O (GPIO2) with analog capability as ADC channel 3 input (ANA3), muxable to T0PE, T2C1N and UART0CTS.
25 RSTN bidirectional Device reset pin, listed as I/O in the pin attributes table.
26 DIO3_X32P bidirectional Digital I/O (GPIO3) that is also 32.768kHz crystal oscillator pin 1 (LFXT_P) or low frequency clock input (LFCI).
27 DIO4_X32N bidirectional Digital I/O (GPIO4) that is also 32.768kHz crystal oscillator pin 2 (LFXT_N), muxable to T0C2N, UART0TXD, LRFD1, SPI0PICO, T0C2 and DTB8.
28 VDDD passive Digital core supply (VDDD) pin, listed as a power pin in the pin attributes table.
29 DIO5_A2 bidirectional Digital I/O (GPIO5) with analog capability as ADC channel 2 input (ANA2), muxable to T2C2 and LRFD6.
30 DCDC passive DC/DC converter switching node; connects through a 10µH inductor to VDDR, and may be left NC when the DC/DC is unused.
31 VDDS power_in Main supply input, operating range 1.71V to 3.8V.
32 DIO6_A1 bidirectional Digital I/O (GPIO6) with analog capability as ADC reference positive terminal or channel 1 input (ANA1), muxable to SPI0CSN, I2C0SCL, T1C2, LRFD2, UART0TXD and DTB6.
33 DIO7_A0 bidirectional Digital I/O (GPIO7) with analog capability as ADC reference negative terminal or channel 0 input (ANA0), muxable to T3C1 and LRFD4.
34 VDDR power_in Internal regulated supply (VDDR) pin; must stay connected even when DC/DC is unused, with the 10µF capacitor kept on the VDDR net.
35 X48P passive 48MHz crystal oscillator pin 1; voltage limited to -0.3V to 1.24V.
36 X48N passive 48MHz crystal oscillator pin 2; voltage limited to -0.3V to 1.24V.
37 NC unconnected No connect pin.
38 VDDS power_in Main supply input, operating range 1.71V to 3.8V.
39 ANT passive 2.4GHz RF antenna connection (integrated balun, 50 Ω single-ended).
40 RFGND power_in RF ground pin.
41 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package VQFN-40(5x5)
Category
Pins 41

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Supply voltage VDDS -0.3 4.1 V 18
Voltage on any digital pin -0.3 4.1 V VDDS + 0.3, max 4.1 18
Voltage on crystal oscillator pins X48P and X48N -0.3 1.24 V 18
Voltage on ADC input Vin_adc 0 V max VDDS 18
Input level, RF pins 5 dBm 18
Storage temperature Tstg -40 150 °C 18
ESD HBM VESD -1000 1000 V HBM, all pins 18
ESD CDM VESD -500 500 V CDM, all pins 18
Operating ambient temperature -40 125 °C CC2340xxxExxxxx devices (125°C parts) 18
Operating junction temperature -40 125 °C CC2340xxxExxxxx devices (125°C parts) 18
Operating supply voltage VDDS 1.71 3.8 V 18
Rising supply voltage slew rate 0 100 mV/µs 18
Falling supply voltage slew rate 0 1 mV/µs 18
VDDS supply voltage for DCDC operation 2.2 3 3.8 V Tc = 25°C, DCDC enabled 18
VDDS supply voltage for GLDO operation 1.71 3 3.8 V Tc = 25°C 19
Temperature sensor accuracy -15 9 °C -40°C to 125°C, 125°C devices, raw output from register 19
Battery monitor range 1.7 3.8 V 19
Frequency bands 2360 2510 MHz 21
Junction-to-ambient thermal resistance RθJA 31.8 ℃/W RKP (VQFN) 40 pins 21
Junction-to-case (top) thermal resistance RθJC(top) 23.1 ℃/W RKP (VQFN) 40 pins 21
Junction-to-board thermal resistance RθJB 12.7 ℃/W RKP (VQFN) 40 pins 21
Junction-to-case (bottom) thermal resistance RθJC(bot) 3.3 ℃/W RKP (VQFN) 40 pins 21
HFXT crystal ESR ESR 20 60 Ω 6pF < CL ≤ 9pF 26
HFXT crystal load capacitance CL 5 7 9 pF 26
HFOSC uncalibrated frequency accuracy -3 3 % 27
HFOSC calibrated frequency accuracy -0.25 0.25 % relative to HFXT 27
SPI clock frequency fSCLK 12 MHz 2.7V ≤ VDDS < 3.8V 27
GPIO pullup current 39 66 109 µA TA = 25°C, VDDS = 1.8V, Vpad = 0V 31
GPIO pullup current 170 262 393 µA TA = 25°C, VDDS = 3.8V, Vpad = 0V 32
GPIO input VIH VIH 0.8 V TA = 25°C; ×VDDS 32
GPIO input VIL VIL 0.2 V TA = 25°C; ×VDDS 32
ADC INL EI -2 2 LSB 12-bit mode, VDDS=1.71V-3.8V 33
ADC DNL ED -1 1 LSB 12-bit mode, VDDS=1.71V-3.8V 33
Active mode core current Icore 2.6 mA MCU running CoreMark from Flash at 48MHz, VDDS=3.0V, DCDC 19
Standby current Icore 0.71 µA RTC running, full RAM retention, LFOSC, DCDC 19
Shutdown current Icore Shutdown 165 nA No clocks running, no retention, IO wakeup enabled 20
Radio receive current IRX 5.3 mA 2440MHz, 1Mbps, GFSK, system bus off 20
Radio transmit current +8dBm ITX 10.7 mA +8dBm output power setting, 2440MHz, system bus off 20
BLE receiver sensitivity 1Mbps -96.5 dBm BER = 10-3 22

CAD (KiCad official)

  • Symbol: CC2340R53E0RKPR
  • Footprint: Package_DFN_QFN:QFN-40-1EP_5x5mm_P0.4mm_EP3.6x3.6mm
  • 3D model: VQFN-40(5x5) (KiCad packages3D, STEP)
  • 3D model files: cc2340r53e0rkpr-etched.step / cc2340r53e0rkpr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cc2340r53e0rkpr.step / cc2340r53e0rkpr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (78 pp, sha256 398fbbb11b90ace1, retrieved 2026-10-26, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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