This file is the user manual of the IDB-HC08JL evaluation board, which introduces the features and characteristics of the evaluation board.
The IDB-HC08JL Evaluation Board demonstrates the capabilities of the 28‑pin MC68HC908JL devices and can be used either as a standalone application or with a MON08‑based emulator such as SofTec’s inDART‑HC08. The board includes an MC68HC908JL3 microcontroller pre‑programmed with a demo application, a ZIF socket, a standard MON08 connector, eight low‑current LEDs, a potentiometer, DIP‑switches, and a 16‑MHz crystal oscillator.
Two operating modes are supported. In Standalone Mode the on‑board crystal and LED jumper settings must be configured, and the board can be powered from either a 9‑12 V unregulated supply or a 5 V regulated supply. In Host Mode the board connects to an external emulator/programmer, allowing debugging via a PC and the inDART‑HC08 system.
| Microcontroller | MC68HC908JL3 (pre‑programmed) |
|---|---|
| Socket | ZIF socket for the microcontroller |
| Connector | Standard MON08 connector |
| LEDs | Eight low‑current LEDs on Port D |
| Crystal Oscillator | 16‑MHz crystal with selectable jumper |
| Power Supply | 9‑12 V unregulated or 5 V regulated input |
The board can be powered via the UNREG. VDD connector with a 9‑12 V supply or via the REG. VDD connector with a 5 V supply.
Set the OSC SEL jumper to XTAL, insert all LED ENABLE jumpers, and insert the POTENTIOMETER ENABLE jumper.
The board supports the MC68HC908JL3 and any future MC68HC908JL family pin‑to‑pin compatible devices.
Yes, it can be used with a MON08‑based emulator such as SofTec’s inDART‑HC08 or a Motorola development tool.