NXP Semiconductors MCF5275CVM166J

Overview

MCF5275CVM166J from Freescale Semiconductor is a ColdFire® V2 RISC microprocessor delivering 159 Dhrystone 2.1 MIPS at 166 MHz, featuring dual 10/100 Mbps Ethernet MACs, hardware encryption (AES/DES/SHA), 64 KB on-chip SRAM, and a 16-bit DDR SDRAM controller in a 256-ball MAPBGA package. It targets embedded networking and security applications requiring high integration and deterministic real-time control.

For engineers reviewing the MCF5275CVM166J datasheet, MCF5275CVM166J pinout, MCF5275CVM166J application, or MCF5275CVM166J equivalent, key selection criteria include dual FEC support, DDR SDRAM interface timing compliance, hardware crypto acceleration throughput, ColdFire V2 core debug via BDM/JTAG, and industrial temperature operation (–40°C to +85°C).

Technical Context

The MCF5275CVM166J implements the ColdFire V2 core with an enhanced multiply-accumulate (EMAC) unit and configurable 16 KB instruction/data cache. Its memory subsystem integrates a 16-bit DDR SDRAM controller supporting SSTL-2.5V or SSTL-3.3V I/O, plus dedicated bus arbitration for concurrent access between CPU, DMA, and peripherals.

Dual Fast Ethernet Controllers (FEC0/FEC1) operate independently in MII or seven-wire serial mode, each with full IEEE 802.3-compliant MAC logic, MDIO management interface, and integrated DMA channels. Hardware encryption modules accelerate AES-128/192/256, DES, 3DES, and SHA-1 operations without CPU intervention.

Key Specifications

Pinout & Package

The MCF5275CVM166J is housed in a 256-ball Molded Array Plastic Ball Grid Array (MAPBGA) package measuring 17 mm × 17 mm × 1.4 mm (A2 = 1.16 mm nominal height), with 1.0 mm ball pitch and solder balls compliant to J-STD-020 moisture sensitivity level 3.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microprocessor applications.

Compared with MCF5275LCVM166 and MCF5274CVM166, the MCF5275CVM166J provides the full superset of features-including hardware crypto and 256-ball DDR interface flexibility-making it optimal for security-critical, high-bandwidth industrial gateways requiring long-term supply stability.

Availability

MCF5275CVM166J is available at Aetrix Electronics and suitable for industrial Ethernet gateways, secure network appliances, medical imaging controllers, and digital video encoders requiring stable component supply across extended temperature ranges and multi-year production cycles.

Supply support for MCF5275CVM166J includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Freescale Semiconductor (now part of NXP Semiconductors) is a global leader in embedded processing solutions, specializing in microcontrollers, microprocessors, and analog products for automotive, industrial, and networking markets.

The MCF5275CVM166J belongs to the ColdFire V2 microprocessor family, designed specifically for high-performance, cost-sensitive embedded applications demanding integrated connectivity, real-time control, and hardware-accelerated security functions.

FAQ

What is the maximum DDR SDRAM data rate supported by the MCF5275CVM166J?

The MCF5275CVM166J DDR SDRAM controller supports a 100 MHz clock frequency, enabling a 200 MT/s data rate in double-data-rate mode. This is achieved using the DDR_CLKOUT signal pair (T7/P6 and T6/P5) driving standard SSTL-2.5V or SSTL-3.3V DDR modules. Timing parameters including tRCD, tRP, and tRAS are programmable via the SDRAM Control Register (SDCR) to match specific memory device specifications. The controller does not support DDR2 or LPDDR.

Does the MCF5275CVM166J support JTAG boundary scan testing?

Yes, the MCF5275CVM166J fully supports IEEE 1149.1 JTAG boundary scan testing. Pins TDO/DSO (P15), TDI/DSI (R16), TMS/BKPT (R15), TRST/DSCLK (P14), and TCLK/PSTCLK (P16) implement the standard JTAG test access port. JTAG_EN (R14) must be asserted high to enable JTAG functionality; otherwise, these pins default to GPIO or alternate peripheral roles. Boundary scan instructions and register definitions follow the ColdFire V2 architecture specification.

How is hardware encryption implemented in the MCF5275CVM166J?

The MCF5275CVM166J integrates dedicated cryptographic co-processors for AES-128/192/256, DES, 3DES, and SHA-1 algorithms. These modules operate independently of the ColdFire V2 core and are accessed via memory-mapped registers in the Chip Configuration Module (CIM) address space. Encryption keys and data are transferred through DMA channels, enabling throughput exceeding 25 Mbps for AES-CBC mode without CPU overhead. No software library is required to invoke acceleration - only proper register initialization and descriptor setup.

Can the MCF5275CVM166J operate with both 2.5V and 3.3V DDR SDRAM?

Yes, the MCF5275CVM166J DDR SDRAM interface supports both SSTL-2.5V and SSTL-3.3V signaling standards. The SD_VDD power domain (pins E9–E11, F9–F12, etc.) must be supplied at the corresponding voltage level, and the SDRAM Control Register (SDCR) must be configured to select the appropriate drive strength and termination settings. Electrical characteristics in Table 7 specify absolute maximum ratings for SDVDD as –0.3 V to +2.8 V (for 2.5V mode) or –0.3 V to +4.0 V (for 3.3V mode), confirming dual-voltage compatibility.

What debug interface does the MCF5275CVM166J use, and is it compatible with standard tools?

The MCF5275CVM166J uses the Background Debug Mode (BDM) interface, implemented on pins DSCLK (P14), PSTCLK (P16), BKPT (R15), DSI (R16), DSO (P15), and PST[3:0] (T10/R10/T11/R11). It is fully compatible with standard ColdFire BDM debuggers such as the P&E Micro USB-ML-CFE and Segger J-Link with ColdFire firmware. The interface supports real-time halt/resume, register read/write, memory access, and flash programming without requiring JTAG_EN assertion - unlike JTAG, BDM operates independently of pin muxing state.