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Texas Instruments TMS320VC5421PGE200
- Part No.:
- TMS320VC5421PGE200
- Manufacturer:
- Texas Instruments
- Category:
- DSP (Digital Signal Processors)
- Package:
- 144-LQFP
- Datasheet:
-
TMS320VC5421PGE200.pdf
- Description:
- IC DIG SIG PROCESSOR 144-LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,755
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Product details
Overview
TMS320VC5421PGE200 from Texas Instruments is a fixed-point digital signal processor (DSP) with dual 16-bit CPU subsystems (A and B), 160 KB on-chip RAM (128 KB DARAM + 32 KB SARAM), 40-bit ALU, 17×17-bit parallel multiplier, and software-programmable PLL supporting 200 MHz operation. It integrates HPI16, McBSP, DMA, and GPIO for real-time audio and telecom signal processing in embedded systems.
For engineers reviewing the TMS320VC5421PGE200 datasheet, TMS320VC5421PGE200 pinout, TMS320VC5421PGE200 application, or TMS320VC5421PGE200 equivalent, key selection considerations include dual-core memory architecture, 144-pin LQFP package compatibility, HPI16 host interface timing, McBSP serial protocol support, and 3.3-V I/O with 1.8-V core voltage requirements.
Technical Context
The TMS320VC5421PGE200 implements two independent 16-bit CPU subsystems sharing memory-mapped peripherals but maintaining separate program/data buses and interrupt controllers. Each subsystem includes its own 40-bit ALU, 17×17-bit multiplier, barrel shifter, and 40-bit accumulator with guard bits.
Its memory subsystem comprises dual-access RAM (DARAM) enabling simultaneous read/write access per cycle, single-access RAM (SARAM), boot ROM, and external memory interface with programmable wait-state generators and bank-switching logic. The integrated PLL supports clock multiplication (up to ×10) from external crystal or oscillator inputs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Architecture | Dual 16-bit fixed-point DSP cores (Subsystems A and B) with independent ALUs, multipliers, and accumulators |
| Max Clock Frequency | 200 MHz - enables 10 ns instruction cycle time for real-time filtering and FFT execution |
| On-Chip RAM | 160 KB total: 128 KB dual-access RAM (DARAM) + 32 KB single-access RAM (SARAM) |
| Core/IO Voltage | 1.8 V core / 3.3 V I/O - requires dual-rail power design with level-shifting for mixed-voltage interfaces |
| Host Interface | 16-bit bidirectional HPI16 with nonmultiplexed/multiplexed modes - supports direct host memory access without CPU intervention |
| Serial Interface | Multichannel Buffered Serial Port (McBSP) with SPI master/slave mode, sample-rate generator, and channel enable control |
| DMA Controller | 6-channel DMA with autoinitialization, synchronization events, and external memory access arbitration |
Pinout & Package
The TMS320VC5421PGE200 is housed in a 144-pin Low-Profile Quad Flatpack (LQFP) package (PGE suffix), measuring 20 mm × 20 mm with 0.5 mm pitch and exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CLKIN | External clock input | Accepts crystal or oscillator signal feeding PLL; determines base system timing reference |
| CLKOUT | Generated system clock output | Drives external logic or test equipment; reflects current PLL-multiplied frequency |
| HPI[0–15] | 16-bit host-port data bus | Enables direct memory-mapped access by host processor; supports burst transfers in nonmultiplexed mode |
| HCS, HDS1, HDS2, HR/W, HAS | HPI control signals | Manage address/data strobing, chip select, read/write direction, and multiplexing handshake |
| XF, TOUT, BIO, INT0–INT3 | General-purpose I/O and interrupts | Support external event triggering, flag signaling, and priority-based interrupt servicing per subsystem |
| DX0–DX7, DR0–DR7, FSX, FSR, CLKX, CLKR | McBSP serial interface pins | Enable full-duplex synchronous serial communication with frame sync, clock, and data lines per channel |
Key Features
| Feature | Design Value |
|---|---|
| Dual-CPU Subsystem Architecture | Enables true parallel execution of independent signal-processing tasks-e.g., one core handles echo cancellation while the other manages codec compression |
| Software-Programmable PLL | Allows dynamic clock scaling via CLKMD register; supports multiply-by-N (1–10) and bypass/divide-by-2/4 options for flexible system timing |
| 128 KB Dual-Access RAM | Permits simultaneous instruction fetch and data load/store per cycle-critical for zero-overhead looping in FIR/IIR filters |
| HPI16 Host Interface | Provides dedicated 16-bit parallel path for host to access DSP memory without CPU arbitration or interrupt overhead |
| McBSP with SPI Mode | Supports interoperability with standard SPI peripherals (ADCs, DACs, codecs) using configurable CLKXP/CLKRP polarity and phase settings |
Applications
| Voice over IP Gateway | Digital Audio Processing System |
|---|---|
Use Scenario: Real-time voice encoding/decoding and packetization in VoIP edge devices with jitter buffering and echo suppression. IC Role / Device Role / Timing Role: Primary DSP executing G.711/G.729 algorithms, managing HPI-hosted configuration updates, and synchronizing McBSP to CODEC interfaces. Use Value: Dual-core architecture allows concurrent execution of codec and network stack tasks; 200-MHz throughput meets sub-10-ms processing latency targets. | Use Scenario: Multi-channel audio mixing, equalization, and effects processing in professional audio equipment with analog/digital I/O expansion. IC Role / Device Role / Timing Role: Central signal processor interfacing to multiple McBSP-linked ADC/DACs and controlled via HPI by ARM host MCU. Use Value: 128 KB DARAM enables large coefficient tables and buffer space for 32-band parametric EQ; McBSP SPI mode simplifies peripheral integration. |
| Telecom Line Card | Industrial Motor Control |
Use Scenario: Channelized T1/E1 line termination with CAS/CCS signaling, framing, and HDLC processing in central office equipment. IC Role / Device Role / Timing Role: Dedicated subsystem A processes line framing and CRC, while subsystem B handles channelized data extraction and alarm reporting. Use Value: Independent interrupt controllers and memory maps allow deterministic response to line alarms and frame sync events within 200 ns. | Use Scenario: Closed-loop field-oriented control (FOC) of three-phase PMSM/BLDC motors with sensorless position estimation and PWM generation. IC Role / Device Role / Timing Role: Executes real-time FOC math (Clarke/Park transforms, PI regulators) and generates synchronized PWM triggers via GPIO and timer outputs. Use Value: 17×17-bit hardware multiplier delivers 10-ns MAC cycles essential for 20-kHz PWM update rates; 40-bit accumulator prevents overflow in cascaded filter stages. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fixed-point DSP applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TMS320VC5402PGE120 | Single-core, 120-MHz max clock, 128 KB on-chip RAM (16 KB SARAM + 112 KB DARAM), no dual-subsystem memory isolation | Lacks dual-CPU parallelism and independent interrupt handling; suitable only for simpler, lower-throughput signal paths | Select when cost sensitivity outweighs need for concurrent task execution and subsystem-level memory protection |
| TMS320VC5409APGE100 | Single-core, 100-MHz max clock, enhanced boot ROM, improved McBSP timing margins, same 144-pin LQFP package | Lower performance ceiling and no dual-CPU capability; optimized for legacy code portability and reduced power consumption | Choose for drop-in replacement where existing 5409A firmware exists and 200-MHz throughput is unnecessary |
Compared with TMS320VC5421PGE200, the TMS320VC5402PGE120 offers lower cost and power but sacrifices dual-core determinism and memory bandwidth, while the TMS320VC5409APGE100 provides pin-compatible migration path at reduced speed-neither matches the 200-MHz dual-CPU capability required for high-channel-count real-time processing.
Availability
TMS320VC5421PGE200 is available at Aetrix Electronics and suitable for voice over IP gateways, digital audio processing systems, telecom line cards, and industrial motor control applications requiring stable component supply across long-lifecycle deployments.
Supply support for TMS320VC5421PGE200 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 processing technologies with decades of DSP innovation.
The TMS320C54x™ platform-including the TMS320VC5421PGE200-was engineered for high-efficiency fixed-point signal processing in cost-sensitive, power-constrained communications and industrial control systems.
FAQ
What is the maximum operating frequency of the TMS320VC5421PGE200?
The TMS320VC5421PGE200 operates at a maximum clock frequency of 200 MHz, achieved via its integrated software-programmable PLL configured for multiply-by-N (up to ×10) from an external 20-MHz crystal. This yields a 10-ns instruction cycle time, enabling real-time execution of complex FIR filters, FFTs, and codec algorithms without pipeline stalls.
Does the TMS320VC5421PGE200 support dual-core independent operation?
Yes, the TMS320VC5421PGE200 features two fully independent 16-bit CPU subsystems (A and B), each with its own ALU, multiplier, accumulator, program counter, and interrupt controller. They share on-chip memory and peripherals but execute code and handle interrupts separately-enabling true parallel signal processing tasks such as simultaneous echo cancellation and voice compression.
What package type is used for the TMS320VC5421PGE200?
The TMS320VC5421PGE200 uses a 144-pin Low-Profile Quad Flatpack (LQFP) package designated "PGE", measuring 20 mm × 20 mm with 0.5 mm lead pitch and an exposed thermal pad. This package is distinct from the 144-ball MicroStar BGA (GGU) variant and requires compatible PCB layout and reflow profiles.
Can the TMS320VC5421PGE200 interface directly with SPI peripherals?
Yes, the TMS320VC5421PGE200's Multichannel Buffered Serial Port (McBSP) supports SPI master and slave modes via configurable CLKXP, CLKRP, and CLKSTP bits. When set to SPI mode, it drives standard MOSI/MISO/CLK/FS signals-allowing direct connection to SPI ADCs, DACs, and EEPROMs without external glue logic.
What is the role of the HPI16 interface on the TMS320VC5421PGE200?
The HPI16 (Host-Port Interface) on the TMS320VC5421PGE200 provides a dedicated 16-bit parallel bus for external host processors (e.g., ARM or x86) to read/write DSP internal memory and registers without CPU intervention or interrupt overhead. It supports both multiplexed and nonmultiplexed addressing modes and is commonly used for firmware updates, parameter loading, and real-time debug access.
TMS320VC5421PGE200 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- TMS320C54x
- Package/Case:
- 144-LQFP
- Packaging:
- Tray
- Product Status:
- Obsolete
- Type:
- Fixed Point
- Interface:
- Host Interface, McBSP
- Clock Rate:
- 100MHz
- Non-Volatile Memory:
- ROM (8kB)
- On-Chip RAM:
- 512kB
- Voltage - I/O:
- 3.30V
- Voltage - Core:
- 1.80V
- Operating Temperature:
- 0°C ~ 85°C (TC)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 144-LQFP (20x20)
TMS320VC5421PGE200 FAQ
1.How can I place an order for TMS320VC5421PGE200 through Aetrix?
Please submit a Request for Quotation (RFQ) for TMS320VC5421PGE200 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TMS320VC5421PGE200 reliable?
The price and inventory of TMS320VC5421PGE200 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TMS320VC5421PGE200 is usually 5 days.
3.What payment methods are accepted for TMS320VC5421PGE200?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TMS320VC5421PGE200 transactions.
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4.How is shipping managed for TMS320VC5421PGE200?
TMS320VC5421PGE200 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TMS320VC5421PGE200 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TMS320VC5421PGE200?
For technical support, including TMS320VC5421PGE200 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TMS320VC5421PGE200 requirements.
6.How does Aetrix verify that TMS320VC5421PGE200 is sourced from the original manufacturer or authorized distributors?
All TMS320VC5421PGE200 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TMS320VC5421PGE200 meets industry standards.
7.What is the process for return or replacement of TMS320VC5421PGE200?
All TMS320VC5421PGE200 units undergo pre-shipment inspection (PSI). If there is an issue with TMS320VC5421PGE200, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TMS320VC5421PGE200 part is unused and in its original packaging.
Return procedure for TMS320VC5421PGE200:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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