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MSP430G2444IRHA40R

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Texas Instruments Microcontrollers (MCU/MPU/SOC), VQFN-40-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MSP430G2444IRHA40R

Texas Instruments · Microcontrollers (MCU/MPU/SOC) · VQFN-40-EP(6x6)

MSP430G2444IRHA40R from Texas Instruments, in a VQFN-40-EP(6x6). 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 DVSS power_in Digital ground reference.
2 XOUT/P2.7 bidirectional Output terminal of the crystal oscillator, also general-purpose digital I/O P2.7; if used as an input, excess current flows until P2SEL.7 is cleared because of the oscillator output driver connection after reset.
3 XIN/P2.6 bidirectional Input terminal of the crystal oscillator, also general-purpose digital I/O P2.6.
4 DVSS power_in Digital ground reference.
5 RST/NMI/SBWTDIO input Reset or nonmaskable interrupt input, and Spy-Bi-Wire test data input/output during programming and test.
6 P2.0/ACLK/A0 bidirectional General-purpose digital I/O with ACLK output and ADC10 analog input A0.
7 P2.1/TAINCLK/SMCLK/A1 bidirectional General-purpose digital I/O with Timer_A INCLK clock input, SMCLK output and ADC10 analog input A1.
8 P2.2/TA0/A2 bidirectional General-purpose digital I/O with Timer_A CCI0B capture input, BSL receive, Timer_A OUT0 output and ADC10 analog input A2.
9 P3.0/UCB0STE/UCA0CLK/A5 bidirectional General-purpose digital I/O with USCI_B0 slave transmit enable, USCI_A0 clock input/output and ADC10 analog input A5.
10 P3.1/UCB0SIMO/UCB0SDA bidirectional General-purpose digital I/O with USCI_B0 slave in/master out in SPI mode or USCI_B0 I2C data in I2C mode.
11 P3.2/UCB0SOMI/UCB0SCL bidirectional General-purpose digital I/O with USCI_B0 slave out/master in in SPI mode or USCI_B0 I2C clock in I2C mode.
12 P3.3/UCB0CLK/UCA0STE bidirectional General-purpose digital I/O with USCI_B0 clock input/output and USCI_A0 slave transmit enable.
13 AVSS power_in Analog ground reference.
14 AVCC power_in Analog supply voltage.
15 P4.0/TB0 bidirectional General-purpose digital I/O with Timer_B capture CCI0A input and compare OUT0 output.
16 P4.1/TB1 bidirectional General-purpose digital I/O with Timer_B capture CCI1A input and compare OUT1 output.
17 P4.2/TB2 bidirectional General-purpose digital I/O with Timer_B capture CCI2A input and compare OUT2 output.
18 P4.3/TB0/A12 bidirectional General-purpose digital I/O with Timer_B capture CCI0B input, compare OUT0 output and ADC10 analog input A12.
19 P4.4/TB1/A13 bidirectional General-purpose digital I/O with Timer_B capture CCI1B input, compare OUT1 output and ADC10 analog input A13.
20 P4.5/TB2/A14 bidirectional General-purpose digital I/O with Timer_B compare OUT2 output and ADC10 analog input A14.
21 P4.6/TBOUTH/A15 bidirectional General-purpose digital I/O; Timer_B switches all TB0 to TB3 outputs to high impedance, and it is ADC10 analog input A15.
22 P4.7/TBCLK bidirectional General-purpose digital I/O with Timer_B clock signal TBCLK input.
23 P3.4/UCA0TXD/UCA0SIMO bidirectional General-purpose digital I/O with USCI_A0 transmit data output in UART mode or USCI_A0 slave in/master out in SPI mode.
24 P3.5/UCA0RXD/UCA0SOMI bidirectional General-purpose digital I/O with USCI_A0 receive data input in UART mode or USCI_A0 slave out/master in in SPI mode.
25 P3.6/A6 bidirectional General-purpose digital I/O and ADC10 analog input A6.
26 P3.7/A7 bidirectional General-purpose digital I/O and ADC10 analog input A7.
27 P2.3/TA1/A3/VREF-/VeREF- bidirectional General-purpose digital I/O with Timer_A CCI1B input, compare OUT1 output, ADC10 analog input A3, and negative reference voltage output/input.
28 P2.4/TA2/A4/VREF+/VeREF+ bidirectional General-purpose digital I/O with Timer_A compare OUT2 output, ADC10 analog input A4, and positive reference voltage output/input.
29 P1.0/TACLK/ADC10CLK bidirectional General-purpose digital I/O with Timer_A clock signal TACLK input and ADC10 conversion clock.
30 P1.1/TA0 bidirectional General-purpose digital I/O with Timer_A CCI0A capture input, OUT0 compare output and BSL transmit.
31 P1.2/TA1 bidirectional General-purpose digital I/O with Timer_A CCI1A capture input and OUT1 compare output.
32 P1.3/TA2 bidirectional General-purpose digital I/O with Timer_A CCI2A capture input and OUT2 compare output.
33 P1.4/SMCLK/TCK bidirectional General-purpose digital I/O with SMCLK signal output and JTAG test clock input for device programming and test.
34 P1.5/TA0/TMS bidirectional General-purpose digital I/O with Timer_A OUT0 compare output and JTAG test mode select input for device programming and test.
35 P1.6/TA1/TDI/TCLK bidirectional General-purpose digital I/O with Timer_A OUT1 compare output and JTAG test data input or test clock input for programming and test.
36 P1.7/TA2/TDO/TDI bidirectional General-purpose digital I/O with Timer_A OUT2 compare output and JTAG test data output or test data input for programming and test, selected via JTAG instruction.
37 TEST/SBWTCK input Selects test mode for JTAG pins on Port 1, is the Spy-Bi-Wire test clock input during programming and test, and the device protection fuse is connected to TEST.
38 DVCC power_in Digital supply voltage.
39 DVCC power_in Digital supply voltage.
40 P2.5/ROSC bidirectional General-purpose digital I/O and input for an external DCO resistor that defines the DCO frequency.
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-EP(6x6)
Category Embedded Processors & Controllers
Pins 41

CAD (KiCad official)

  • Symbol: MSP430G2444IRHA40R
  • Footprint: Package_DFN_QFN:QFN-40-1EP_6x6mm_P0.5mm_EP4.6x4.6mm
  • 3D model: VQFN-40-EP(6x6) (KiCad packages3D, STEP)
  • 3D model files: msp430g2444irha40r-etched.step / msp430g2444irha40r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); msp430g2444irha40r.step / msp430g2444irha40r.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (94 pp, sha256 e255f144b1f27e02, 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