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MCU.h: General Description

kalymos edited this page 2025-03-15 10:38:51 +01:00

Table of Contents

• MCU.h: General Description
• Main Purpose
• Microcontroller Definition and Configuration:
• I/O (Input/Output) Management:
• Timer and Interrupt Handling:
• BIOS Patch Compatibility:

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MCU.h: General Description

The MCU.h file is a crucial library for configuring and managing the microcontroller used in the PSNee modchip. It adapts the code based on the selected microcontroller model (ATmega32U4, ATtiny85, etc.) and ensures the proper functioning of the modchip’s core features.

Main Purpose

Microcontroller Definition and Configuration:

• Adapts the code to the chosen microcontroller model.
• Defines the clock frequency and timer settings.

I/O (Input/Output) Management:

• Configures microcontroller pins for communication with the PlayStation console.
• Activates or deactivates specific pins based on the modchip’s state.

Timer and Interrupt Handling:

• Uses CTC mode (Clear Timer on Compare Match) to generate precise signals.
• Manages interrupts to process console signals in real time.

BIOS Patch Compatibility:

• Some microcontrollers support BIOS modifications, while others do not.
• Compatibility checks prevent compilation errors.