概要
説明
普通紙複写機(PPC)や複合機(MFP)などの高性能プリンタでは、ASICやMPUによってさまざまな機能が制御されています。 この設計では、機能を強化しシステムを最適化するために専用のMCUが追加されています。 このMCUは、システムのスタンバイ電流を低減し、迅速な起動をサポートするためのパワーシーケンサを提供します。 さらに、MCUはI/Oエキスパンダとして機能しASICとMPUに必要なピン数が削減されるため、システム全体のコストが最適化されます。
このシステムのメリット:
- パワーシーケンサで各ブロックやデバイスの電源制御を行い、システムのスタンバイ電流を低減し、迅速な起動を可能にします。
- ピン数の多いMCUをI/Oエキスパンダとして利用することで、ASICとMPUのピン数を減らし、デバイスの総コストを最適化します。
- この設計は、プリンタだけでなく多大なI/Oを必要とするASICおよびMPU搭載システムにも最適です。
製品比較
アプリケーション
- プリンタ (PPC / MFP)
- コピー機
- OA機器
- 産業機器
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MCU
RA Arm Cortex-M MCU
RX 32ビット高性能・高効率MCU
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MPU
RZ 32& 64ビットMPU
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Exiting Interactive Block Diagram