Texas Instruments MSP-TS430PT48

Overview

MSP-TS430PT48 from Texas Instruments is a target socket module designed for in-circuit debugging and programming of MSP430 microcontrollers in TQFP-48 package. It provides 4-wire JTAG and 2-wire Spy-Bi-Wire (SBW) interface connectivity, supports external power delivery up to 3.6 V, and enables direct connection to MSP-FET430UIF or MSP-FET430PIF debuggers for firmware development on MSP430F5xx/F6xx devices.

For engineers reviewing the MSP-TS430PT48 datasheet, MSP-TS430PT48 pinout, MSP-TS430PT48 application, or MSP-TS430PT48 equivalent, this module serves as a standardized hardware interface for rapid prototyping, production programming validation, and low-pin-count device bring-up during embedded firmware development cycles.

Technical Context

The MSP-TS430PT48 implements a passive PCB-based socket interface with zero active components - no level shifters, voltage regulators, or logic buffers. Its signal routing strictly follows TI's JTAG/SBW pin mapping for TQFP-48 MSP430 devices, including dedicated connections for TCK, TMS, TDI, TDO, RST/NMI, TEST/SBWTCK, and SBWTDIO.

It supports both standard 4-wire JTAG and 2-wire Spy-Bi-Wire protocols without mode switching circuitry; protocol selection is handled entirely by the connected debugger (e.g., MSP-FET430UIF). The board includes jumper-selectable VCC sourcing options (target-supplied or debugger-supplied) and unpopulated footprint locations for optional decoupling capacitors near the socket.

Key Specifications

Availability

MSP-TS430PT48 is available at Aetrix Electronics and suitable for MSP430-based firmware development, production programming validation, and low-volume engineering verification requiring stable component supply and documented TI hardware compatibility.

Supply support for MSP-TS430PT48 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor company headquartered in Dallas, Texas, specializing in analog, embedded processing, and digital signal processing technologies since 1930.

The MSP-TS430PT48 belongs to TI's MSP430 Hardware Tools family, engineered specifically to provide standardized, low-risk physical interfaces between TI debuggers and MSP430 microcontrollers during early-stage firmware bring-up and system-level validation.

FAQ

What is the MSP-TS430PT48 used for?

The MSP-TS430PT48 is a passive target socket module that enables in-circuit debugging and programming of TQFP-48 packaged MSP430 microcontrollers using TI's MSP-FET430UIF or MSP-FET430PIF debuggers. It does not contain active circuitry - its function is purely mechanical and electrical interconnection. Engineers use the MSP-TS430PT48 to validate firmware on actual silicon before committing to custom PCBs.

Does the MSP-TS430PT48 support both JTAG and Spy-Bi-Wire?

Yes, the MSP-TS430PT48 supports both 4-wire JTAG and 2-wire Spy-Bi-Wire (SBW) protocols through fixed pin routing aligned with TI's official MSP430F5xx/F6xx TQFP-48 pinouts. Protocol selection is managed entirely by the connected debugger - the MSP-TS430PT48 itself contains no switching logic or configuration circuitry.

Can the MSP-TS430PT48 power the target device?

The MSP-TS430PT48 supports dual VCC sourcing modes via JP1: it can either draw power from the debugger (e.g., MSP-FET430UIF's 3.3 V rail) or accept external target-supplied power (1.8–3.6 V). This flexibility allows testing under real-world supply conditions without modifying the target board's power architecture.

Is the MSP-TS430PT48 compatible with MSP430FR5xx devices?

No - the MSP-TS430PT48 is explicitly designed for MSP430F5xx and F6xx families in TQFP-48 packages, as confirmed by TI's SLAU278AH User's Guide (Section B.18). MSP430FR5xx devices use different pinouts and memory-mapped debug interfaces; TI provides separate socket modules (e.g., MSP-TS430RGZ48B) for FRAM-based variants.

Where can I find the schematic and PCB layout for the MSP-TS430PT48?

The official schematic and PCB layout for the MSP-TS430PT48 are published in Texas Instruments' MSP430™ Hardware Tools User's Guide (SLAU278AH), Figures B-36 (schematic) and B-37 (PCB). These documents are freely available on ti.com and include complete bill-of-materials and layout guidelines for replication or reference design integration.