Renesas QB-144FB-EA-01T

Overview

QB-144FB-EA-01T from Renesas Electronics is a T-type exchange adapter designed for use with the QB-RL78F15 in-circuit emulator to interface with RL78/F15 microcontrollers in 144-pin FBGA packages. It supports high-speed system clock emulation up to 20 MHz, provides target system power supply compatibility (2.7–5.5 V), and enables real-time RAM monitoring and trace data capture with 128K-frame capacity. It is used during embedded firmware development for automotive and industrial control systems.

For engineers reviewing the QB-144FB-EA-01T datasheet, QB-144FB-EA-01T pinout, QB-144FB-EA-01T application, or QB-144FB-EA-01T equivalent, this adapter enables reliable physical and electrical interfacing between the QB-RL78F15 emulator and 144-pin RL78/F15 FBGA devices - critical for debug session stability, signal integrity verification, and clock domain alignment in production-grade firmware validation.

Technical Context

The QB-144FB-EA-01T is a passive mechanical and electrical interface component that maps the QB-RL78F15's emulation probe signals to the 144-pin FBGA footprint of the RL78/F15 target device. It does not contain active circuitry, ICs, or programmable logic; its function is strictly signal routing and mechanical alignment.

It is used exclusively in conjunction with the QB-144FB-NQ-01T target connector, QB-144FB-YQ-01T YQ connector, and QB-144FB-YS-01T space adapter to establish a complete T-type emulation chain. Its design ensures impedance-controlled trace paths for JTAG and trace clock/data lines, supporting real-time trace modes including unconditional, section, and qualify trace at up to 120 MHz measurement clock resolution.

Key Specifications

Availability

QB-144FB-EA-01T is available at Aetrix Electronics and suitable for automotive ECU development, industrial PLC firmware validation, and RL78-based motor control system debugging requiring stable component supply and guaranteed trace signal integrity.

Supply support for QB-144FB-EA-01T 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.

The QB-144FB-EA-01T belongs to the IECUBE™ family of in-circuit emulators and adapters, engineered specifically to support high-fidelity, real-time debugging of RL78-series MCUs in production-representative environments.

FAQ

What is the primary function of the QB-144FB-EA-01T in an RL78/F15 debug setup?

The QB-144FB-EA-01T is a T-type exchange adapter that physically and electrically bridges the QB-RL78F15 in-circuit emulator to a 144-pin FBGA-packaged RL78/F15 target device. It routes JTAG, trace, reset, and power signals with controlled impedance to maintain signal integrity during real-time debugging. QB-144FB-EA-01T does not process signals - it enables accurate emulation by preserving timing and voltage levels required for stable debug sessions.

Is QB-144FB-EA-01T compatible with S-type mounting configurations?

No. QB-144FB-EA-01T is explicitly designated as a T-type adapter and is only compatible with T-type connectors: QB-144FB-NQ-01T (target connector), QB-144FB-YQ-01T (YQ connector), and QB-144FB-YS-01T (space adapter). It cannot be used with S-type components such as QB-48NA-TC-01S or QB-48NA-EA-03S. Using it in an S-type configuration will result in mechanical misalignment and signal routing failure.

Which RL78/F15 package variants does QB-144FB-EA-01T support?

QB-144FB-EA-01T supports only the 144-pin FBGA (144FB) package variant of the RL78/F15 microcontroller. It is not compatible with 48-pin NA, 64-pin FB, 80-pin FB, or 100-pin FB packages - each of which requires its own dedicated exchange adapter (e.g., QB-48NA-EA-03S, QB-64FB-EA-04T). The "144FB" in the part number directly specifies the target package geometry and ball layout.

Does QB-144FB-EA-01T include active circuitry or require power?

No. QB-144FB-EA-01T is a passive adapter with no integrated ICs, oscillators, or power regulation. It draws no power and contains no active components. All signals pass through copper traces and vias designed to match the RL78/F15 FBGA pinout and maintain signal fidelity. Power for the target device is supplied via the QB-RL78F15's regulated 2.7–5.5 V output, routed through QB-144FB-EA-01T to the target system.

Can QB-144FB-EA-01T be used with other Renesas emulator platforms like E2 or E2 Lite?

No. QB-144FB-EA-01T is mechanically and electrically designed exclusively for the QB-RL78F15 in-circuit emulator platform. It is not compatible with E2 or E2 Lite debuggers, which use different connector interfaces, pinouts, and signal protocols. Attempting to use QB-144FB-EA-01T with non-QB-RL78F15 hardware will result in physical incompatibility and undefined electrical behavior.