Renesas QB-32FP-EA-02T

Overview

QB-32FP-EA-02T from Renesas Electronics is an exchange adapter designed for the QB-RL78L12 in-circuit emulator, enabling physical pin conversion between the emulator's YQ connector and the 32-pin flat package (32FP) RL78/L12 microcontroller. It supports 1.6–5.5 V target system operation, maintains signal integrity for real-time debugging, and is used with QB-32FP-YQ-01T and QB-32FP-NQ-01T to interface with RL78/L12-based development boards.

For engineers reviewing the QB-32FP-EA-02T datasheet, QB-32FP-EA-02T pinout, QB-32FP-EA-02T application, or QB-32FP-EA-02T equivalent, this adapter is essential for establishing reliable debug connectivity between the QB-RL78L12 emulator and RL78/L12 32FP target devices - particularly when verifying clock configuration, memory execution, and register manipulation during firmware bring-up.

Technical Context

The QB-32FP-EA-02T is a passive mechanical and electrical interface component that maps the QB-RL78L12 emulator's YQ connector pinout to the 32FP package footprint of the RL78/L12 MCU. It does not contain active circuitry, ICs, or power regulation, and operates within the same 0–40°C ambient temperature range as the QB-RL78L12 system.

It is specifically engineered for T-type socket configurations and must be used in conjunction with QB-32FP-YQ-01T (YQ connector), QB-32FP-NQ-01T (target connector), and QB-32FP-YS-01T (space adapter) to achieve full mechanical alignment and electrical continuity for emulation signals including TRST, TCK, TDI, TDO, TMS, RESET, VDD, and GND.

Key Specifications

Availability

QB-32FP-EA-02T is available at Aetrix Electronics and suitable for RL78/L12-based embedded development, automotive ECU prototyping, and industrial control firmware validation requiring stable component supply and traceable sourcing for production-grade debug tooling.

Supply support for QB-32FP-EA-02T 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

Renesas Electronics Corporation is a Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power solutions for automotive, industrial, and IoT applications.

QB-32FP-EA-02T belongs to the IECUBE™ in-circuit emulator accessory product line, designed explicitly to extend debugger compatibility across RL78 family package variants while preserving signal fidelity and mechanical reliability during hardware-in-the-loop development.

FAQ

What is the primary function of the QB-32FP-EA-02T in the QB-RL78L12 emulator system?

The QB-32FP-EA-02T is a passive exchange adapter that performs physical pin mapping between the QB-RL78L12 emulator's YQ connector and the 32-pin flat package (32FP) of the RL78/L12 microcontroller. It enables secure, low-signal-integrity-loss connection for JTAG/SWD debugging, memory execution, and real-time register inspection. The QB-32FP-EA-02T contains no active components and relies on precise mechanical alignment with QB-32FP-YQ-01T and QB-32FP-NQ-01T to maintain functional debug capability.

Is QB-32FP-EA-02T compatible with non-RL78/L12 targets or other emulator models?

No. QB-32FP-EA-02T is exclusively specified for use with the QB-RL78L12 in-circuit emulator and the RL78/L12 32FP target device. Renesas documentation confirms its inclusion only in QB-RL78L12-32FP package configurations and lists no cross-compatibility with other emulator platforms (e.g., QB-RX, QB-RL78G13) or alternate MCUs. Using QB-32FP-EA-02T with mismatched targets may result in incorrect pin assignment, signal contention, or physical damage.

Does QB-32FP-EA-02T require power, firmware, or configuration?

No. QB-32FP-EA-02T is a passive mechanical-electrical adapter with no internal circuitry, power input, or programmable elements. It draws no current and requires no firmware, drivers, or configuration. Its operation depends entirely on correct mating with QB-32FP-YQ-01T and QB-32FP-NQ-01T, and proper mounting using QB-32FP-YS-01T space adapter to ensure coplanar contact and avoid bent pins or intermittent connections during QB-RL78L12 debugging sessions.

What accessories must be used alongside QB-32FP-EA-02T for full functionality?

QB-32FP-EA-02T requires three mandatory companion parts: QB-32FP-YQ-01T (YQ connector), QB-32FP-NQ-01T (target connector soldered to the RL78/L12 board), and QB-32FP-YS-01T (space adapter for height adjustment). These are listed together in Table 1-3 of the QB-RL78L12 User's Manual and supplied as a set with QB-RL78L12-32FP. Omitting any of these results in incomplete mechanical engagement or open signal paths, preventing reliable emulation of the RL78/L12 via QB-RL78L12.

How does the "-02T" suffix in QB-32FP-EA-02T identify its mechanical configuration?

The "-02T" suffix in QB-32FP-EA-02T indicates it is the second revision of an exchange adapter designed for T-type socket systems - confirmed by Renesas' explicit note: "QB-64FB-EA-01T → T Type" and "QB-48NA-EA-02S → S Type". The "T" denotes compatibility with T-type mechanical interfaces (e.g., QB-32FP-YQ-01T), distinguishing it from S-type variants. This designation governs physical keying, latch mechanism, and mounting geometry - not electrical functionality - and ensures correct mating without force or misalignment.