NXP Semiconductors MC7410TVU400LE

Overview

MC7410TVU400LE from Freescale Semiconductor is a 400 MHz PowerPC G4 RISC microprocessor implementing the full 32-bit PowerPC architecture with AltiVec SIMD engine, 32 KB L1 instruction and data caches, and support for external 512 KB–2 MB two-way set-associative L2 cache. It targets high-performance embedded computing, digital signal processing, and network infrastructure applications requiring hardware-accelerated vector operations.

For engineers reviewing the MC7410TVU400LE datasheet, MC7410TVU400LE pinout, MC7410TVU400LE application, or MC7410TVU400LE equivalent, key selection considerations include its 360-ball CBGA package, 1.8 V core supply, configurable 1.8/2.5/3.3 V I/O interface voltage, 400 MHz core frequency at 133 MHz SYSCLK, and AltiVec-enabled parallel data processing capability in legacy PowerPC systems.

Technical Context

The MC7410TVU400LE implements a five-stage scalar pipeline (fetch, decode/dispatch, execute, complete/writeback) with out-of-order execution and an eight-entry completion queue. Its branch unit features a 512-entry branch history table and 64-entry branch target instruction cache to minimize misprediction penalties.

It integrates a dual-issue dispatch unit supporting two instructions per cycle to eight independent execution units-including FXU1/FXU2, FP unit, AltiVec permute/ALU, and load/store-and includes a fully pipelined 128-bit data path between VRF, L1 caches, L2 interface, and bus.

Key Specifications

Pinout & Package

MC7410TVU400LE is housed in a 360-ball ceramic ball grid array (CBGA) package with 1.27 mm pitch, designed for high-density routing and thermal dissipation in demanding embedded computing platforms.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MC7410TVU400LE, the 450 MHz variant offers linear performance uplift within identical thermal/power envelopes, while the MPC7447A provides architectural modernization at the cost of board redesign - making MC7410TVU400LE optimal for legacy PowerPC system refreshes where footprint and voltage compatibility are mandatory.

Availability

MC7410TVU400LE is available at Aetrix Electronics and suitable for telecom baseband processing, avionics data concentrators, and industrial control HMI requiring stable component supply across extended product lifecycles.

Supply support for MC7410TVU400LE 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 was a fabless semiconductor company specializing in embedded processors, analog, and connectivity solutions before its acquisition by NXP in 2015.

The MPC7410TVU400LE belongs to Freescale's PowerPC G4 family, designed specifically for high-performance embedded computing where AltiVec-accelerated signal processing, SMP scalability, and industrial thermal reliability are required.

FAQ

What is the maximum supported L2 cache size for MC7410TVU400LE?

The MC7410TVU400LE supports external L2 cache sizes of 512 KB, 1 MB, or 2 MB in two-way set-associative configuration. It also supports direct-mapped SRAM modes for 256 KB, 512 KB, 1 MB, or 2 MB - all implemented using external synchronous BurstRAM or SRAM devices interfaced via its 64-bit L2 data bus and 19-bit address bus. The MC7410TVU400LE contains the L2 cache controller and tag RAM on-die but relies on external memory for data storage.

Does MC7410TVU400LE support little-endian operation?

Yes, MC7410TVU400LE supports both big-endian and little-endian byte addressing modes, including misaligned little-endian accesses. This capability is implemented in the load/store unit and MMU, allowing the processor to run operating systems and applications compiled for either endianness without hardware modification. The mode is selected dynamically via the MSR[LE] bit in the machine state register, and the MC7410TVU400LE executes all PowerPC architecture-defined endian-sensitive instructions correctly in either mode.

What are the valid SYSCLK frequency ranges for MC7410TVU400LE?

The MC7410TVU400LE requires a SYSCLK input frequency between 33 MHz and 133 MHz to achieve its rated 400 MHz core frequency. This range corresponds to bus-to-core multipliers of 3× to 6× (e.g., 100 MHz SYSCLK × 4 = 400 MHz). The PLL_CFG[0:3] pins must be configured to select the appropriate multiplier; invalid combinations that exceed the 400 MHz core limit or violate minimum VCO frequency constraints will prevent stable operation. SYSCLK jitter must remain within ±150 ps for reliable lock.

Can MC7410TVU400LE operate with mixed I/O voltages on processor and L2 buses?

Yes, MC7410TVU400LE supports independent I/O voltage configuration: BVSEL selects the processor bus threshold (1.8 V / 2.5 V / 3.3 V), while L2VSEL selects the L2 bus threshold (1.8 V / 2.5 V). This allows simultaneous use of 3.3 V legacy peripherals on the processor bus and 1.8 V low-power SRAM on the L2 interface. However, OVDD and L2OVDD supplies must match their respective selected thresholds, and voltage sequencing rules (e.g., VDD must power up before OVDD/L2OVDD) must be strictly followed to avoid latch-up.

Is MC7410TVU400LE pin-compatible with MPC7400 or MPC750?

No, MC7410TVU400LE is not pin-compatible with MPC7400 or MPC750. Although it shares the PowerPC 32-bit architecture and some functional similarities, the MC7410TVU400LE uses a 360-ball CBGA package with revised pin assignments - particularly for L2 interface signals (e.g., added L2ASPARE pin), AltiVec-specific control lines, and updated power/ground distribution. Migration from MPC750 requires PCB redesign, though software compatibility is maintained through architectural alignment and AltiVec instruction set extension.