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UPD78098x

Obsolete

8-bit Microcontrollers for General Purpose Applications (Non Promotion)

Overview

The UPD78098x Group is supported only for customers who have already adopted these products. The RL78/G13 Group is recommended for new designs.

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Design & Development

ECAD Models

Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.

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Support Communities

  1. Porting 78K Inverter Control to RL78/G14?

    We're porting a motor control application from uPD78F0988 to RL78/G14 (R5F104LEAFA), but I'm uncertain how to port the Inverter Control Timer. Is a porting guide available? The old code: #define DISABLE_INVERTER TMC7.7 = 0; #define ENABLE_INVERTER TMC7.7 = 1; #define DISABLE ...

    May 27, 2025

FAQs

  1. What is a suitable write clock when writing to the uPD78F9418?

    It is recommended to make the CPU clock as fast as possible. Basically, any clock speed is all right as long as it is within the operation enabled clock range. However, the use of a faster clock allows faster programming. Moreover, in the case of UART connection, the clock must ...

    Dec 1, 2011