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Contents

README

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MSP430F2274TRHAR

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

MSP430F2274TRHAR from Texas Instruments, in a VQFN-40-EP(6x6). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 DVSS power_in Digital ground reference for the device.
2 XOUT/P2.7 bidirectional Crystal oscillator output terminal or general-purpose digital I/O pin.
3 XIN/P2.6 bidirectional Crystal oscillator input terminal or general-purpose digital I/O pin.
4 DVSS power_in Digital ground reference for the device.
5 RST/NMI/SBWTDIO input Reset or nonmaskable interrupt input; Spy-Bi-Wire test data input/output during programming and test.
6 P2.0/ACLK/A0/OA0I0 bidirectional General-purpose digital I/O pin; ACLK signal output; ADC10 analog input A0; OA0 analog input.
7 P2.1/TAINCLK/SMCLK/A1/OA0O bidirectional General-purpose digital I/O pin; Timer_A clock signal input; SMCLK signal output; ADC10 analog input A1; OA0 analog output.
8 P2.2/TA0/A2/OA0I1 bidirectional General-purpose digital I/O pin; Timer_A capture/compare signal; ADC10 analog input A2; OA0 analog input.
9 P3.0/UCB0STE/UCA0CLK/A5 bidirectional General-purpose digital I/O pin; USCI_B0 slave transmit enable; USCI_A0 clock input/output; ADC10 analog input A5.
10 P3.1/UCB0SIMO/UCB0SDA bidirectional General-purpose digital I/O pin; USCI_B0 SPI slave in/master out or I2C SDA data line.
11 P3.2/UCB0SOMI/UCB0SCL bidirectional General-purpose digital I/O pin; USCI_B0 SPI slave out/master in or I2C SCL clock line.
12 P3.3/UCB0CLK/UCA0STE bidirectional General-purpose digital I/O pin; USCI_B0 clock input/output; USCI_A0 slave transmit enable.
13 AVSS power_in Analog ground reference for ADC10, operational amplifiers, and reference circuits.
14 AVCC power_in Analog supply voltage (1.8V to 3.6V) for ADC10, operational amplifiers, and reference circuits.
15 P4.0/TB0 bidirectional General-purpose digital I/O pin; Timer_B capture/compare input or output.
16 P4.1/TB1 bidirectional General-purpose digital I/O pin; Timer_B capture/compare input or output.
17 P4.2/TB2 bidirectional General-purpose digital I/O pin; Timer_B capture/compare input or output.
18 P4.3/TB0/A12/OA0O bidirectional General-purpose digital I/O pin; Timer_B capture/compare signal; ADC10 analog input A12; OA0 analog output.
19 P4.4/TB1/A13/OA1O bidirectional General-purpose digital I/O pin; Timer_B capture/compare signal; ADC10 analog input A13; OA1 analog output.
20 P4.5/TB2/A14/OA0I3 bidirectional General-purpose digital I/O pin; Timer_B output; ADC10 analog input A14; OA0 analog input.
21 P4.6/TBOUTH/A15/OA1I3 bidirectional General-purpose digital I/O pin; Timer_B switch all TB0-TB3 outputs to high impedance; ADC10 analog input A15; OA1 analog input.
22 P4.7/TBCLK bidirectional General-purpose digital I/O pin; Timer_B clock signal input.
23 P3.4/UCA0TXD/UCA0SIMO bidirectional General-purpose digital I/O pin; USCI_A0 UART transmit data output or SPI slave in/master out.
24 P3.5/UCA0RXD/UCA0SOMI bidirectional General-purpose digital I/O pin; USCI_A0 UART receive data input or SPI slave out/master in.
25 P3.6/A6/OA0I2 bidirectional General-purpose digital I/O pin; ADC10 analog input A6; OA0 analog input.
26 P3.7/A7/OA1I2 bidirectional General-purpose digital I/O pin; ADC10 analog input A7; OA1 analog input.
27 P2.3/TA1/A3/VREF−/VeREF−/OA1I1/OA1O bidirectional General-purpose digital I/O pin; Timer_A capture/compare signal; ADC10 analog input A3; negative reference voltage input; OA1 analog input/output.
28 P2.4/TA2/A4/VREF+/VeREF+/OA1I0 bidirectional General-purpose digital I/O pin; Timer_A output; ADC10 analog input A4; positive reference voltage output or input; OA1 analog input.
29 P1.0/TACLK/ADC10CLK bidirectional General-purpose digital I/O pin; Timer_A clock signal input or ADC10 conversion clock.
30 P1.1/TA0 bidirectional General-purpose digital I/O pin; Timer_A capture/compare signal or output.
31 P1.2/TA1 bidirectional General-purpose digital I/O pin; Timer_A capture/compare signal or output.
32 P1.3/TA2 bidirectional General-purpose digital I/O pin; Timer_A capture/compare signal or output.
33 P1.4/SMCLK/TCK bidirectional General-purpose digital I/O pin; SMCLK output signal; test clock input for JTAG programming and test.
34 P1.5/TA0/TMS bidirectional General-purpose digital I/O pin; Timer_A output; test mode select input for JTAG programming and test.
35 P1.6/TA1/TDI/TCLK bidirectional General-purpose digital I/O pin; Timer_A output; test data input or test clock input for JTAG.
36 P1.7/TA2/TDO/TDI bidirectional General-purpose digital I/O pin; Timer_A output; JTAG test data output or test data input (function controlled by JTAG instruction).
37 TEST/SBWTCK input Test mode select input for JTAG; Spy-Bi-Wire test clock input during programming and test; device protection fuse connected to this pin.
38 DVCC power_in Digital supply voltage (1.8V to 3.6V) for CPU, memory, and digital logic.
39 DVCC power_in Digital supply voltage (1.8V to 3.6V) for CPU, memory, and digital logic.
40 P2.5/ROSC passive General-purpose digital I/O pin or external resistor input to define DCO frequency for internal oscillator.
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: MSP430F2274TRHAR
  • 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: msp430f2274trhar-etched.step / msp430f2274trhar-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); msp430f2274trhar.step / msp430f2274trhar.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (99 pp, sha256 eeb41b5847372438, retrieved 2026-09-23, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-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