Texas Instruments DISCOVERY-ADAPT

Overview

DISCOVERY-ADAPT from Texas Instruments is a hardware adapter board enabling integration of the CC3100 SimpleLink™ Wi-Fi® BoosterPack (CC3100BOOST) with non-TI microcontroller platforms beyond LaunchPad ecosystems. It provides 2×20 pin stackable interface compatibility, level-shifted 3.3 V CMOS signal routing, and configurable power sourcing options including USB and MCU-supplied 3.3 V. Designed for IoT prototyping, it supports firmware flashing, conducted RF testing, and low-power mode validation in embedded Wi-Fi development.

For engineers reviewing the DISCOVERY-ADAPT datasheet, DISCOVERY-ADAPT pinout, DISCOVERY-ADAPT application, or DISCOVERY-ADAPT equivalent, this adapter enables cross-platform CC3100BOOST reuse-particularly with ARM Cortex-M, ESP32, and RISC-V host MCUs-while preserving UART, SPI, IRQ, nRESET, and nHIB signal integrity and timing compliance per TI's SWRU371B specification.

Technical Context

The DISCOVERY-ADAPT bridges the CC3100BOOST to third-party MCU boards via standardized 2×20 pin headers aligned to P1–P4 signal assignments defined in SWRU371B. It maintains full signal fidelity for SPI (slave-mode only), UART (TX/RX/CTS/RTS), GPIO control (nHIB, nRESET, IRQ), and debug logging (NWP_LOG_TX, WLAN_LOG_TX).

It supports dual power architectures: direct 3.3 V supply from host MCU or independent 5 V USB input routed through an on-board LDO, with jumper-selectable source priority (J8). Signal-level translation ensures 3.3 V CMOS logic compatibility without external level shifters, and all signals retain TI-specified 400 mA drive capability and voltage referencing to the CC3100 IC.

Key Specifications

Availability

DISCOVERY-ADAPT is available at Aetrix Electronics and suitable for IoT gateway development, industrial sensor node prototyping, and cross-platform Wi-Fi module validation requiring stable component supply, long-term design continuity, and regulatory-compliant RF test access.

Supply support for DISCOVERY-ADAPT 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 delivering analog and embedded processing solutions for industrial, automotive, and personal electronics applications.

The DISCOVERY-ADAPT belongs to TI's SimpleLink™ hardware ecosystem and was developed specifically to extend CC3100BOOST usability beyond TI LaunchPad platforms-enabling flexible, standards-aligned Wi-Fi connectivity evaluation across heterogeneous MCU environments.

FAQ

What is the primary function of the DISCOVERY-ADAPT?

The DISCOVERY-ADAPT is a hardware adapter board that enables the TI CC3100BOOST Wi-Fi BoosterPack to interface with non-TI microcontroller platforms. It preserves all critical signal paths-including SPI, UART, nHIB, nRESET, and IRQ-as defined in TI's SWRU371B User's Guide. The DISCOVERY-ADAPT ensures mechanical and electrical compatibility with the CC3100BOOST while supporting flexible power sourcing and RF test readiness, making it essential for cross-platform IoT development where the DISCOVERY-ADAPT serves as the physical bridge between host MCU and Wi-Fi subsystem.

Does DISCOVERY-ADAPT support firmware flashing of the CC3100BOOST?

Yes, the DISCOVERY-ADAPT fully supports firmware flashing of the CC3100BOOST when used with TI's CC31XXEMUBOOST or compatible FTDI-based debug interfaces. It routes UART1_TX/RX, nHIB, and nRESET signals without alteration, enabling bootloader entry (via nHIB assertion) and UART-based programming per TI's documented flow. The DISCOVERY-ADAPT does not include onboard programming circuitry but maintains signal integrity required for reliable DISCOVERY-ADAPT-assisted CC3100BOOST firmware updates.

Can DISCOVERY-ADAPT be used for conducted RF testing with the CC3100BOOST?

Yes, the DISCOVERY-ADAPT retains full access to the CC3100BOOST's RF test infrastructure. It preserves the U.FL connector (J2) and Murata MM8030-2610 connector (J3) paths as specified in SWRU371B Section 2.7, allowing lab-based conducted emissions measurement and external antenna evaluation. No signal routing or impedance discontinuities are introduced by the DISCOVERY-ADAPT, ensuring RF performance validation remains consistent with TI's reference setup using the DISCOVERY-ADAPT in conjunction with the CC3100BOOST.

What power configurations does DISCOVERY-ADAPT support for the CC3100BOOST?

The DISCOVERY-ADAPT supports two primary power configurations: 3.3 V supply directly from the host MCU (e.g., ARM Cortex-M or ESP32 development board), or 5 V USB input fed to the CC3100BOOST's on-board LDO. Jumper J8 selects the source, and internal Schottky diodes enable safe load sharing. This flexibility ensures the DISCOVERY-ADAPT accommodates host platforms with limited current capability-critical because the CC3100BOOST draws up to 400 mA peak-and guarantees stable operation of the DISCOVERY-ADAPT-connected CC3100BOOST under real-world Wi-Fi transmit conditions.

Is DISCOVERY-ADAPT compatible with TI's MSP430F5529 LaunchPad?

No-DISCOVERY-ADAPT is explicitly intended for use with *non-TI* MCU platforms. For TI LaunchPads like the MSP430F5529LP, the CC3100BOOST connects directly without an adapter. The DISCOVERY-ADAPT was engineered to eliminate the need for custom wiring or breakout boards when integrating the CC3100BOOST into ARM, RISC-V, or other third-party ecosystems. Using DISCOVERY-ADAPT with a TI LaunchPad would introduce unnecessary complexity and is not supported; the DISCOVERY-ADAPT's value lies exclusively in enabling CC3100BOOST reuse outside TI's native development environment.