Renesas QB-RL78G13-ZZZ

Overview

QB-RL78G13-ZZZ from Renesas Electronics is an in-circuit emulator (ICE) designed exclusively for real-time debugging of RL78/G13 microcontrollers. It supports voltage ranges from 1.6 V to 5.5 V, operates within 0–40°C ambient, and delivers full trace capability with 128K frames, real-time RAM monitoring, and multi-point break/trace functions for embedded firmware development.

For engineers reviewing the QB-RL78G13-ZZZ datasheet, QB-RL78G13-ZZZ pinout, QB-RL78G13-ZZZ application, or QB-RL78G13-ZZZ equivalent, this page provides verified hardware specifications, system configuration guidance, USB 2.0 host interface details, target power monitoring via dual LEDs, and precise setup requirements for RL78/G13-based evaluation and production debug workflows.

Technical Context

The QB-RL78G13-ZZZ implements a dedicated emulation architecture with 512 KB internal ROM and 61.75 KB internal RAM for instruction/data capture. It supports real-time execution (Go, Start from Here, Come Here) and non-real-time stepping (Step In, Next Over), plus 8-event break points and 2000 software breakpoints - all synchronized to the target's clock domain via configurable high-speed system clock (1–20 MHz), subsystem clock (32.768 kHz), or internal oscillator sources.

Its trace engine captures program address, access data, status, and time-tagged events at 120 MHz measurement clock resolution (8 ns minimum), enabling cycle-accurate timing analysis across up to ~40.7 hours. Emulation probe connectivity is standardized through T-type or S-type socket adapters, with YQ/NQ/TCN interfaces ensuring mechanical and electrical compatibility across RL78/G12 and G13 package variants.

Key Specifications

Availability

QB-RL78G13-ZZZ is available at Aetrix Electronics and suitable for RL78/G13 firmware validation, production test debug, and embedded toolchain integration requiring stable component supply, consistent firmware update cycles, and long-term toolchain continuity.

Supply support for QB-RL78G13-ZZZ 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 global semiconductor manufacturer specializing in microcontrollers, analog, and power solutions for automotive, industrial, and IoT applications.

QB-RL78G13-ZZZ belongs to the IECUBE family of in-circuit emulators, engineered specifically to provide high-fidelity, real-time debugging for RL78-series MCUs during firmware bring-up, validation, and certification phases.

FAQ

What is the primary function of the QB-RL78G13-ZZZ?

The QB-RL78G13-ZZZ is an in-circuit emulator for real-time debugging of RL78/G13 microcontrollers. It enables full visibility into program execution, memory state, register values, and timing behavior without requiring code instrumentation. Unlike generic debuggers, QB-RL78G13-ZZZ integrates tightly with Renesas' CubeSuite+ IDE and supports hardware-assisted trace, event breaks, and flash self-programming emulation - all essential for robust RL78/G13 firmware development. The QB-RL78G13-ZZZ does not operate as a standalone programmer or production programmer.

Does QB-RL78G13-ZZZ support RL78/G12 devices?

Yes, QB-RL78G13-ZZZ explicitly supports both RL78/G13 and RL78/G12 target devices per its hardware specification table. However, it is not compatible with RL78/G14, RL78/L1x, or any non-RL78 family MCU. Adapter selection (e.g., QB-24NA-EA-01S for 24-pin SOIC) must match the target package and socket type (S or T), and all required adapters - including exchange adapters, YQ connectors, and target connectors - are sold separately unless included in variant-specific SKUs like QB-RL78G13-T24NA.

What power supply options does QB-RL78G13-ZZZ require?

QB-RL78G13-ZZZ requires two independent power sources: (1) USB 2.0 bus power (5 V) for host communication and internal logic, and (2) a separate 1.6–5.5 V DC supply from the target system - monitored via the green TARGET LED. An optional regional AC adapter (e.g., QB-COMMON-PW-JP) may be used for stable benchtop operation but is not included with QB-RL78G13-ZZZ. Power must never be applied while connectors are hot-plugged, and ground potential between QB-RL78G13-ZZZ and the target system must be equalized to prevent damage.

How does QB-RL78G13-ZZZ handle clock synchronization with the target device?

QB-RL78G13-ZZZ offers three clock source modes: (a) internal emulator-generated clock (configurable 1–20 MHz), (b) square-wave clock input from the target system (X2 pin), or (c) external oscillator mounted in the OSC1 socket. Resonator-based oscillation on the target board is not emulated. Mode selection is configured via debugger software (e.g., CubeSuite+), not hardware switches. The QB-RL78G13-ZZZ does not regenerate or clean up noisy target clocks - it relies on clean square-wave input for reliable synchronization.

What accessories are included with QB-RL78G13-ZZZ?

QB-RL78G13-ZZZ ships with five core items: the QB-RL78G13 unit itself, a 2-meter USB interface cable, an online user registration card (warranty + software contract), an accessory CD-ROM (user manuals, drivers), and a packing list. No emulation probes, exchange adapters, target connectors, or AC adapters are included - those are ordered separately or via variant SKUs (e.g., QB-RL78G13-T30SP includes QB-30SP-EA-01T, QB-30SP-YQ-01T, and QB-30SP-NQ-01T).