MC68340PV25E

The MC68340PV25E is a single‑core, 32‑bit CPU32 microprocessor operating at 25 MHz in a 144‑LQFP (20×20) surface‑mount package. It integrates a CPU32 core with on‑chip DMA and peripheral subsystems to support embedded control and general computing applications.

Designed for systems that require on‑chip peripheral integration and efficient block transfers, the device offers DRAM controller support and serial interfaces while operating with 5 V I/O and a commercial temperature range of 0 °C to 70 °C.

Key Features

• CPU Core — CPU32 central processor (32‑bit) delivering a single‑core architecture optimized for embedded control and general microprocessor applications.
• Clock Performance — 25 MHz operating frequency suitable for deterministic embedded tasks.
• Integrated DMA — Two‑channel low‑latency DMA controller with 32‑bit addresses and counters, supporting 8‑, 16‑, and 32‑bit transfers and sustained high‑speed block transfers as described in the product documentation.
• Serial Interfaces — Two‑channel USART with baud‑rate generators and modem control capable of high transfer rates as specified in the product documentation.
• Timers — Two independent 16‑bit counter/timers with prescaler and multimode operation providing fine resolution timing for real‑time control.
• Memory & Bus — External bus interface with 32 address lines and 16 data lines; on‑chip DRAM controller support to connect external memory subsystems.
• System Integration Module — On‑chip system functions including chip‑select and wait‑state generation, bus arbitration, system protection, periodic interrupt timer, JTAG boundary‑scan, and up to 16 discrete I/O lines.
• Power Management — Static HCMOS technology and on‑chip controls to reduce power; programmable clock throttling and peripheral shutdown options for standby reductions (per product documentation).
• Package & Mounting — 144‑LQFP (20×20) surface‑mount package for compact board-level integration.
• Electrical & Environmental — 5 V I/O operation with an operating temperature range of 0 °C to 70 °C.

Typical Applications

• Embedded Control — Use the integrated CPU32 core and timers for real‑time control tasks in embedded systems requiring deterministic processing.
• Data Transfer & Buffering — Leverage the two‑channel DMA controller for high‑speed block transfers between memory or peripherals without taxing the CPU.
• Serial Communications — Employ the dual USART channels for modem control, peripheral connectivity, or multi‑port serial interfaces.
• System Integration — Integrate multiple board‑level functions into a single device to reduce component count and simplify system design.

Unique Advantages

• Highly integrated processor and peripherals: Combines a 32‑bit CPU, DMA, timers, USART, and system integration module on one IC to reduce BOM and board space.
• Efficient block transfers: Two‑channel DMA with 32‑bit addressing and multi‑width transfer support enables sustained high‑speed data movement with low CPU overhead.
• Flexible system control: On‑chip bus arbitration, chip‑select generation, and wait‑state management simplify external bus interfacing and memory timing.
• Power reduction features: Static HCMOS design plus programmable clock and peripheral shutdown options help lower active and standby power.
• Compact surface‑mount package: 144‑LQFP (20×20) provides a dense footprint suitable for space‑constrained embedded boards.

Why Choose MC68340PV25E?

The MC68340PV25E positions itself as a compact, integrated solution for embedded designs that need a 32‑bit CPU with on‑chip DMA and peripheral subsystems. Its combination of CPU32 architecture, dual DMA channels, USARTs, timers, and a system integration module helps reduce external component count and design complexity.

This part is well suited to designers seeking an integrated microprocessor module in a 144‑LQFP package with 5 V I/O and a commercial operating temperature range. Its integration and on‑chip controls provide a straightforward platform for building reliable, maintainable embedded systems.

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