The H8/3042 Group is supported only for customers who have already adopted these products. The RL78/G14 Group is recommended for new designs.

Documentation & Downloads

Title Other Languages Type Format File Size Date
User Guides & Manuals
RX Development Environment Migration Guide Migration from H8C Family to RX Family (Compiler ed.) (High-performance Embedded Workshop and H8C to CS+ and CC-RX) 日本語 Guide PDF 413 KB
RX Compiler Application Notes: 4-Sample Project RX Migration Guide: H8 Edition 日本語 Guide PDF 890 KB
H8/300H Series Software Manual Manual PDF 1.46 MB
Application Notes & White Papers
PCB-Design for Improved EMC / EMV Application Note PDF 1.86 MB
H8/3048 (H8/300H Series) to RX210 Microcontroller Migration Guide Application Note 日本語 Application Note PDF 1.24 MB
Compiler Package Application Note: The application guide of Call Walker 日本語 Application Note PDF 243 KB
Compiler Package Application Note: Call Walker Application Note PDF 339 KB
M3S-T2-Tiny: Ultracompact TCP/IP Protocol Stack Software 日本語 Application Note PDF 244 KB
Perl Script to Convert S-Record Data to a C Structure 日本語, 简体中文 Application Note PDF 632 KB
Flash Memory Programming Routines Application Note PDF 456 KB
Example of Using User Boot Mode of Renesas 0.18um Flash Devices with Xmodem Data Transfer Application Note PDF 135 KB
Utility To Convert S-Record Data To A C-Structure Application Note PDF 255 KB
A Sprintf Function Implementation for Smaller ROM/RAM Application Note PDF 163 KB
H8S H8/300 Series C/C++ Compiler Package Application Note Application Note PDF 5.27 MB
HI Series RTOS Application Note Application Note PDF 3.03 MB
Technical Q&A H8/300H Series Application Note Application Note PDF 829 KB
H8/300H Series On-Chip Supporting Modules Application Note Application Note PDF 1.84 MB
H8/300H Series On-Chip Supporting Modules Application Note Application Note PDF 1.30 MB
High-performance Embedded Workshop Tcl/Tk Application Note Application Note PDF 1.43 MB
Microcomputer H8/300H Series Application Notes for CPU Application Note PDF 620 KB
PCNs & PDNs
Unification of a JEDEC tray and a embossed carrier tape for LQFP package (Additional Information & Correction) 日本語 Product Change Notice PDF 4.86 MB
Unification of a JEDEC tray and a embossed carrier tape for LQFP package 日本語 Product Change Notice PDF 3.74 MB
Unification of a JEDEC tray and a embossed carrier tape for LQFP package 日本語 Product Change Notice PDF 1.46 MB
Downloads
- H8/3048 (H8/300H Series) to RX210 Microcontroller Migration Guide Application Note Sample Code ZIP 3.50 MB
- H8/3048(H8/300Hシリーズ)⇒RX210マイコン移行ガイド アプリケーションノート Sample Code ZIP 4.08 MB
- Sample codes for RX Compiler Package Application Notes: Sample Project RX Migration Guide, H8 Edition 日本語 Sample Code ZIP 74 KB
- M3S-T2-Tiny TCP/IP Protocol Stack Library Sample Code ZIP 5.74 MB
- Renesas MCU Perl Script to Convert S-Record Data to a C Structure Sample Code ZIP 613 KB
- タイマA動作(ワンショットタイマモード、外部トリガ) Sample Code ZIP 391 KB
- H8 Family, H8S Family, SuperH RISC Engine Family Flash Memory Programming Routines Sample Code ZIP 425 KB
- H8 Family, H8S Family, SuperH RISC Engine Family Example of Using User Boot Mode of Renesas 0.18µm Flash Devices with Xmodem Data Transfer Sample Code ZIP 2.25 MB
- Renesas MCU Utility To Convert S-Record Data To A C-Structure Sample Code ZIP 303 KB
- A Sprintf Function Implementation for Smaller ROM/RAM Sample Code ZIP 145 KB
Other
Renesas Semiconductor Lead-Free Packages Brochure PDF 1.32 MB

Software / Tools

Title Type Description Company
C/C++ Compiler Package for H8SX, H8S, H8 Family Compiler/Assembler C/C++ Compiler package for H8SX, H8S and H8 families. Simulator debugger and High-performance Embedded Workshop included.
Renesas
MISRA C Rule Checker SQMlint Compiler/Assembler MISRA C Rule Checker (option)
Renesas
High-performance Embedded Workshop IDE and Coding Tool Renesas integrated development environment (IDE) (for SuperH, RX, R8C, M32R, M16C, H8SX, H8S, H8, and 740 families).
Renesas
Simulator Debugger for H8SX, H8S, and H8 Families Simulator Simulator debugger for the H8,H8S, H8SX family [Support IDE : High-performance Embedded Workshop] (Note: This product is included in Compiler Package and is not available separately.)
Renesas