Texas Instruments SM32C6415EGLZ50SEP

Overview

SM32C6415EGLZ50SEP from Texas Instruments is a radiation-tolerant, high-performance fixed-point digital signal processor (DSP) based on the VelociTI.2 VLIW architecture, delivering 4000 MIPS at 500 MHz with 128K-byte L1P/L1D caches, 1024K-byte unified L2 memory/cache, dual external memory interfaces (64-bit EMIFA and 16-bit EMIFB), and integrated PCI 2.2 and UTOPIA Level-2 slave interfaces - deployed in satellite telemetry processing and radar signal conditioning systems.

For engineers reviewing the SM32C6415EGLZ50SEP datasheet, SM32C6415EGLZ50SEP pinout, SM32C6415EGLZ50SEP application, or SM32C6415EGLZ50SEP equivalent, key selection criteria include 532-pin GLZ BGA package compatibility, 500-MHz real-time deterministic execution, EDMA-controlled multichannel I/O synchronization, and extended temperature support (–55°C to +105°C) for space-grade deployment.

Technical Context

The SM32C6415EGLZ50SEP implements an eight-functional-unit VelociTI.2 DSP core with two register files (64 × 32-bit), dual 16-bit multipliers, six ALUs, and nonaligned load/store capability - enabling four 32-bit MACs/cycle (2400 MMACS) or eight 8-bit MACs/cycle (4800 MMACS). Its memory subsystem integrates 16K-byte direct-mapped L1P cache, 16K-byte 2-way set-associative L1D cache, and 1024K-byte configurable L2 unified RAM/cache.

Peripherals include three McBSPs supporting T1/E1 framing and AC97, a user-configurable 16/32-bit HPI, 32-bit timers, 16 GPIO pins, and dual EMIFs with SDRAM/async SRAM/ZBT SRAM support. The device supports PCI 2.2 master/slave operation and UTOPIA Level-2 slave mode (8-bit, up to 400 Mbps), both multiplexed with other I/O resources per configuration.

Key Specifications

Pinout & Package

SM32C6415EGLZ50SEP is housed in a 532-pin Ball Grid Array (BGA) package with 0.8-mm ball pitch and 23 mm × 23 mm footprint (GLZ suffix), designed for high-density PCB layouts in radiation-hardened avionics modules.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar fixed-point DSP applications.

Compared with SM32C6415EGLZ50SEP, the C6414-EP omits PCI/UTOPIA to reduce cost and complexity, while the C6416-EP adds dedicated decoder hardware - making SM32C6415EGLZ50SEP the optimal balance of high-speed interconnect capability and deterministic fixed-point compute for space-qualified telemetry and radar edge nodes.

Availability

SM32C6415EGLZ50SEP is available at Aetrix Electronics and suitable for satellite telemetry processing, radar signal conditioning, and secure military communications requiring stable component supply across extended product lifecycles.

Supply support for SM32C6415EGLZ50SEP 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

Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and digital signal solutions for industrial, automotive, and aerospace markets.

The SM320C64x™ family was engineered for high-throughput, low-latency fixed-point signal processing in radiation-hardened and extended-temperature environments - targeting telemetry, radar, and secure comms subsystems.

FAQ

What is the maximum operating frequency of the SM32C6415EGLZ50SEP?

The SM32C6415EGLZ50SEP operates at a guaranteed maximum frequency of 500 MHz, achieving a 2-ns instruction cycle time. This rating is validated across the full –55°C to +105°C temperature range and under 1.25-V core/3.3-V I/O supply conditions per TI's SM320C6415-EP production data. The device uses an internal PLL with ×6 or ×12 multiplication of the 12.5-MHz CLKIN reference to generate the 500-MHz core clock. SM32C6415EGLZ50SEP maintains full functional operation at this speed without derating in space-grade thermal profiles.

Does the SM32C6415EGLZ50SEP support PCI interface functionality?

Yes, the SM32C6415EGLZ50SEP integrates a fully compliant 32-bit, 33-MHz PCI 2.2 master/slave interface with three programmable address registers, DSP-controlled interrupt request, and I/O cycle-triggered DSP interrupts. The PCI bus signals (PCI_AD[31:0], PCI_CBE[3:0], PCI_FRAME#, etc.) are multiplexed with HPI[31:0] and GPIO[15:9], requiring proper boot configuration pin settings to enable PCI mode. SM32C6415EGLZ50SEP implements all mandatory PCI transaction types and adheres to electrical specifications for commercial and extended-temperature operation.

How does the SM32C6415EGLZ50SEP handle external memory interfacing?

The SM32C6415EGLZ50SEP provides two independent external memory interfaces: a 64-bit EMIFA supporting SDRAM, ZBT SRAM, and asynchronous peripherals, and a 16-bit EMIFB for smaller memories or I/O devices. Both interfaces operate without glue logic, feature programmable wait states, and support burst transfers. EMIFA includes dedicated SDRAM control registers (SDCTL, SDTIM) and CE-space configuration, while EMIFB shares register layout but has narrower data width. SM32C6415EGLZ50SEP's memory map allocates 0x8000_0000–0xBFFF_FFFF to EMIFA and 0x6000_0000–0x6FFF_FFFF to EMIFB, enabling concurrent high-bandwidth data ingestion and coefficient storage.

What is the role of the UTOPIA interface on the SM32C6415EGLZ50SEP?

The UTOPIA interface on the SM32C6415EGLZ50SEP implements an 8-bit Level-2 slave ATM controller, enabling direct connection to telecom framer ICs (e.g., TI TSB12LV00 series) for cell-based packet processing. It operates at up to 50 MHz per direction (400 Mbps aggregate), supports user-defined cell formats up to 64 bytes, and is multiplexed with McBSP1 pins - requiring configuration via the device's terminal function registers. SM32C6415EGLZ50SEP uses UTOPIA for synchronous, low-latency transport of ATM cells in satellite payload telemetry concentrators and military backbone routers.

Is the SM32C6415EGLZ50SEP pin-compatible with other C64x-EP devices?

Yes, the SM32C6415EGLZ50SEP is pin-for-pin compatible with SM320C6414-EP and SM320C6416-EP in the 532-pin GLZ BGA package, provided peripheral selection aligns: PCI and UTOPIA must be disabled for C6414 interoperability, and identical BEA[9:7] strap configurations must be used across devices. All three share identical EMIFA/EMIFB, McBSP, timer, GPIO, and HPI pinouts; differences lie only in enabled peripherals (C6415 includes PCI/UTOPIA, C6416 adds VCP/TCP). SM32C6415EGLZ50SEP's pin compatibility enables drop-in upgrades and common PCB designs across the EP family.