# MSP430G2131IPW14R

**Texas Instruments** · Microcontrollers (MCU/MPU/SOC) · TSSOP-14

MSP430G2131IPW14R from Texas Instruments, in a TSSOP-14. 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 | DVCC | power_in | Power supply voltage, 1.8V to 3.6V for program execution or 2.2V to 3.6V for flash memory programming. |
| 2 | P1.0/TA0CLK/ACLK/A0 | bidirectional | General-purpose digital I/O pin; Timer_A clock input (TA0CLK); ACLK signal output; ADC10 analog input A0. |
| 3 | P1.1/TA0.0/A1 | bidirectional | General-purpose digital I/O pin; Timer_A capture input (CCI0A) or compare output (Out0); ADC10 analog input A1. |
| 4 | P1.2/TA0.1/A2 | bidirectional | General-purpose digital I/O pin; Timer_A capture input (CCI1A) or compare output (Out1); ADC10 analog input A2. |
| 5 | P1.3/ADC10CLK/A3/VREF-/VEREF- | bidirectional | General-purpose digital I/O pin; ADC10 conversion clock output; ADC10 analog input A3; ADC10 negative reference voltage. |
| 6 | P1.4/SMCLK/A4/VREF+/VEREF+/TCK | bidirectional | General-purpose digital I/O pin; SMCLK signal output; ADC10 analog input A4; ADC10 positive reference voltage; JTAG test clock input. |
| 7 | P1.5/TA0.0/A5/SCLK/TMS | bidirectional | General-purpose digital I/O pin; Timer_A compare output; ADC10 analog input A5; USI I2C/SPI clock input or output; JTAG test mode select input. |
| 8 | P1.6/TA0.1/A6/SDO/SCL/TDI/TCLK | bidirectional | General-purpose digital I/O pin; Timer_A capture input (CCI1A) or compare output (Out1); ADC10 analog input A6; USI SPI data output (SDO) or I2C clock (SCL); JTAG test data input (TDI) or test clock (TCLK). |
| 9 | P1.7/SDI/SDA/A7/TDO/TDI | bidirectional | General-purpose digital I/O pin; ADC10 analog input A7; USI SPI data input (SDI) or I2C data (SDA); JTAG test data output or input (TDO/TDI). |
| 10 | RST/NMI/SBWTDIO | input | Reset input; non-maskable interrupt input; Spy-Bi-Wire test data input/output for programming and testing. |
| 11 | TEST/SBWTCK | input | Test mode select for JTAG pins on Port 1; Spy-Bi-Wire test clock input for programming and testing. |
| 12 | XOUT/P2.7 | bidirectional | Crystal oscillator output terminal or general-purpose digital I/O pin P2.7. |
| 13 | XIN/P2.6/TA0.1 | bidirectional | Crystal oscillator input terminal or general-purpose digital I/O pin P2.6; Timer_A compare output (TA0.1). |
| 14 | DVSS | power_in | Ground reference. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSSOP-14 |
| Category | Embedded Processors & Controllers |
| Pins | 14 |

## CAD (KiCad official)

- Symbol: `MSP430G2131IPW14R`
- Footprint: `Package_SO:TSSOP-14_4.4x5mm_P0.65mm`
- 3D model: TSSOP-14 (KiCad packages3D, STEP)
- 3D model files: `msp430g2131ipw14r-etched.step` / `msp430g2131ipw14r-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `msp430g2131ipw14r.step` / `msp430g2131ipw14r.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/msp430g2221) (65 pp, sha256 `ef4532c802ec17fb`, retrieved 2026-09-27, 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 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (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](docs/msp430g2131ipw14r-datasheet.pdf)