KMPC823VR81B2T

The KMPC823VR81B2T is an NXP Semiconductors PowerPC-based microprocessor combining a 32-bit single core running at 81 MHz with an integrated communications processor module. It targets embedded, low-power and portable designs that require on-chip peripherals for display, imaging and serial communications.

With on-chip LCD and video controllers, a USB 1.x channel, Ethernet interface and multiple serial ports, this device provides a tightly integrated platform for mobile computing, image capture and personal communication applications while operating from a 3.3 V I/O boundary.

Key Features

• PowerPC Core: Embedded single-issue 32-bit PowerPC core delivering the processing foundation for control and application tasks.
• Clock Speed: 81 MHz core clock for embedded processing workloads.
• Caches & MMU (from datasheet): Instruction and data cache architecture with on-chip memory management units and Translation Lookaside Buffers for virtual memory support.
• Communication Processor Module (CPM): Dedicated RISC-based CPM handles imaging and communication tasks, offloading the main core and supporting embedded signal processing and DMA-style transfers.
• Integrated Serial Peripherals: Seven serial channels including two serial communication controllers, two serial management controllers, one I2C port, one USB channel (USB 1.x) and one SPI-style serial peripheral interface.
• Display & Video: On-chip LCD controller and video display controller for direct display interfacing and image handling.
• Networking & USB: Single 10 Mbps Ethernet interface and one USB 1.x channel for basic networked and host/device connectivity.
• Memory Controller: DRAM controller support for external system memory.
• Package & Mounting: 256-ball PBGA package (23 × 23 mm) designed for surface-mount assembly.
• Operating Conditions: Consumer-grade qualification with an operating temperature range of 0 °C to 95 °C and RoHS compliance.
• Supply & I/O: 3.3 V I/O boundary for interfacing with common embedded peripherals.

Typical Applications

• Mobile Computing: Compact portable devices that need integrated display, USB and serial connectivity combined with a PowerPC core.
• Image Capture & Processing: Devices requiring on-chip imaging support and CPM-based signal processing for compression and decompression tasks.
• Personal Communications: Handheld or communication products leveraging the CPM and multiple serial channels for protocol handling and offloaded communications tasks.
• Embedded Display Systems: Systems needing LCD and video controller support for user interfaces and simple graphical output.
• Networked Embedded Devices: Basic Ethernet-enabled applications that require 10 Mbps network connectivity alongside USB and serial interfaces.

Unique Advantages

• Highly Integrated Peripheral Set: On-chip USB, Ethernet, LCD and video controllers reduce external components and simplify BOM and board design.
• Offload Capable CPM: The communications processor module handles imaging and serial protocols to free the main PowerPC core for application logic.
• Flexible Serial Connectivity: Multiple serial channels including I2C, SPI and dedicated serial controllers enable a wide range of peripheral interfaces.
• Compact PBGA Package: 256-ball PBGA (23 × 23 mm) delivers a dense footprint for space-constrained embedded platforms.
• Consumer-Grade Temperature Range and RoHS Compliance: Designed for consumer electronics temperature ranges and compliant with RoHS requirements for material restrictions.

Why Choose KMPC823VR81B2T?

The KMPC823VR81B2T positions itself as a compact, integrated microprocessor solution for embedded designs that require a PowerPC core and a rich set of on-chip peripherals. Its combination of a 32-bit 81 MHz core, a dedicated communications processor module, display controllers and multiple serial interfaces provides designers a balanced platform for portable, imaging and communication-focused products.

This NXP Semiconductors device is suited to teams seeking to reduce external component count while maintaining flexible interfacing options and adherence to consumer-grade operating ranges. RoHS compliance and the included DRAM controller, USB and Ethernet support help streamline development and deployment in targeted embedded applications.

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