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NXP Semiconductors DSP56321VF220
- Part No.:
- DSP56321VF220
- Manufacturer:
- NXP Semiconductors
- Category:
- DSP (Digital Signal Processors)
- Package:
- 196-BGA
- Datasheet:
-
DSP56321VF220.pdf
- Description:
- IC DSP 24BIT 220MHZ 196MAPBGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,706
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Product details
Overview
DSP56321VF220 from Freescale Semiconductor is a 24-bit digital signal processor (DSP) with a DSP56300 core, delivering 275 MMACS (550 MMACS with EFCOP), 275 MHz internal clock, 1.6 V core / 3.3 V I/O supply, and integrated EFCOP coprocessor for real-time filtering in wireless infrastructure and echo-cancellation applications.
For engineers reviewing the DSP56321VF220 datasheet, DSP56321VF220 pinout, DSP56321VF220 application, or DSP56321VF220 equivalent, this page provides verified technical context, memory configuration options, EFCOP filter mode support, MAP-BGA package details, and pin-validated peripheral mapping for networking and IP telephony designs.
Technical Context
The DSP56321VF220 implements a fully pipelined 24×24-bit MAC with dual 56-bit accumulators and a 56-bit barrel shifter, enabling single-cycle instruction execution compatible with DSP56000 code. Its PLL supports skew-eliminated clock generation and dynamic divide-factor adjustment without loss of lock.
It integrates six-channel DMA supporting 1D/2D/3D transfers and circular buffering, plus an on-chip EFCOP coprocessor operating in parallel at 275 MHz-supporting real/complex FIR, DF1/DFII IIR, adaptive LMS filters, and 4-bit decimation-with no impact on core throughput or channel count.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | DSP56300 24-bit fixed-point core, object-code compatible with DSP56000 family |
| Performance | 275 MMACS base; 550 MMACS with EFCOP active in filtering workloads |
| Internal Clock | 275 MHz, generated by on-chip PLL with skew elimination and dynamic DF adjustment |
| Supply Voltages | 1.6 V core (VCCQL), 3.3 V I/O (VCCQH, VCCA, VCCD, VCCC, VCCH, VCCS) |
| Memory Configuration | Program RAM up to 112 K × 24 bits; X/Y data RAM up to 40 K × 24 bits each; 1024 × 24-bit instruction cache |
| EFCOP Filter Modes | Real/complex FIR, DF1/DFII IIR, adaptive LMS, 4-bit decimation, pure real/imaginary output alternation |
| Peripheral Integration | HI08 host interface, dual ESSI (6-channel audio), SCI, triple timer, 34 GPIO (configurable per port) |
Pinout & Package
Molded Array Plastic–Ball Grid Array (MAP-BGA) package, 220-ball, 1.27 mm pitch, RoHS-compliant lead-free option available. Package dimensions: 17 mm × 17 mm × 1.7 mm (height).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A[0–17] | External Address Bus Output | 18-bit multiplexed address lines for external program/data memory access; tri-stated during STOP/WAIT |
| D[0–23] | External Data Bus I/O | 24-bit bidirectional data path; maintains last output state via weak keepers when tri-stated |
| RD / WR | Active-Low Bus Control | Read/Write enable signals for external memory cycles; asserted only during master bus transactions |
| MODA–MODD | Mode Select / IRQ Input | Four pins configure initial operating mode at reset; repurposed as level/edge-triggered IRQA–IRQD post-reset |
| EXTAL / XTAL | Clock Interface | EXTAL accepts external clock or crystal input; XTAL outputs crystal oscillator signal (leave unconnected with external clock) |
| RESET / PINIT | System Control | RESET is Schmitt-triggered hardware reset; PINIT sets DPLL enable/disable state during RESET assertion |
Key Features
| Feature | Design Value |
|---|---|
| EFCOP Coprocessor | Parallel 24×24-bit filtering engine supporting cellular-optimized FIR/IIR modes and true LMS coefficient updates-offloads 100% of filter computation from core |
| Memory Flexibility | Configurable RAM partitioning via MSW[2:0] bits: enables trade-offs between program RAM (32–112 K×24), X/Y RAM (40–80 K×24), and instruction cache (0 or 1024×24) |
| Low-Power Operation | Fully static CMOS design with WAIT/STOP modes; operates down to 0 Hz; power management is instruction-, peripheral-, and mode-dependent |
| Host & Serial Interfaces | HI08 supports glueless ISA/microprocessor interfacing; dual ESSI ports deliver six-channel synchronized audio I/O; SCI includes baud rate generator |
| Debug & Emulation | OnCE™ module with JTAG TAP enables non-intrusive real-time debugging, trace, and breakpoint control without halting core execution |
Applications
| Wireless Infrastructure Base Stations | IP Telephony Gateways |
|---|---|
|
Use Scenario: Multi-channel cellular baseband processing requiring real-time echo cancellation and adaptive filtering in dense RF environments. IC Role / Device Role / Timing Role: Primary DSP executing channelized voice codecs and EFCOP-accelerated LMS-based acoustic echo cancellation in parallel with core tasks. Use Value: Achieves 550 MMACS aggregate throughput while maintaining full 275 MHz core availability for protocol stack and control tasks-no channel throughput penalty. |
Use Scenario: VoIP media gateway handling concurrent G.729/G.723 sessions with jitter compensation and packet loss concealment. IC Role / Device Role / Timing Role: Central signal processor managing codec execution, packet timing recovery, and EFCOP-driven convolution-based PLC algorithms. Use Value: On-chip EFCOP reduces external memory accesses for filter coefficients by >90%, cutting latency and DDR bandwidth demand in real-time voice paths. |
| Home Theater Audio Processors | Security Encryption Accelerators |
|
Use Scenario: High-fidelity multi-zone audio distribution with real-time room correction, bass management, and upmixing. IC Role / Device Role / Timing Role: Dedicated audio DSP running FIR-based room EQ and crossover filters via EFCOP, synchronized across ESSI0/ESSI1 for 6-channel output. Use Value: Dual ESSI ports provide deterministic, low-jitter 24-bit audio I/O; EFCOP executes 256-tap FIRs in <10 µs-enabling sub-2 ms total system latency. |
Use Scenario: Hardware-accelerated DES/AES key expansion and round operations in embedded security modules. IC Role / Device Role / Timing Role: Programmable DSP executing cryptographic primitives using MAC-intensive bit-manipulation loops and EFCOP-assisted modular reduction. Use Value: 24-bit ALU + barrel shifter + 56-bit accumulators enable efficient large-integer arithmetic; EFCOP accelerates polynomial division for Galois field ops. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digital signal processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DSP56303VF200 | Lower performance (200 MHz core, 200 MMACS), no EFCOP, smaller memory (48 K×24 RAM), same MAP-BGA-220 package | Limited to single-channel voice processing or non-real-time encryption; cannot execute EFCOP-accelerated filtering | Select only if cost-sensitive designs require pin compatibility but tolerate 27% lower MMACS and no coprocessor offload. |
| DSP56311VF240 | Higher clock (240 MHz), 240 MMACS, no EFCOP, larger program RAM (64 K×24), same pinout and BGA-220 footprint | Suitable for higher-clock-rate control-loop DSP but lacks filtering acceleration-requires software-only FIR/IIR implementation | Choose when deterministic 240 MHz timing is critical and EFCOP functionality is unnecessary; verify thermal margin at 240 MHz. |
Compared with DSP56321VF220, DSP56303VF200 sacrifices 27% MMACS and all EFCOP capabilities for cost reduction, while DSP56311VF240 trades EFCOP for higher base clock and memory-neither offers the unique 275 MHz + EFCOP parallelism that defines DSP56321VF220's value in real-time infrastructure DSP.
Availability
DSP56321VF220 is available at Aetrix Electronics and suitable for wireless infrastructure, IP telephony gateways, and home theater audio processors requiring stable component supply, long-lifecycle support, and verified MAP-BGA packaging.
Supply support for DSP56321VF220 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 fabless semiconductor company specializing in embedded processing, analog, and connectivity solutions for automotive, industrial, and networking markets.
DSP56321VF220 belongs to the DSP56300 family-designed specifically for high-throughput, low-latency signal processing in wireless infrastructure, security, and consumer audio where parallel coprocessing and memory-rich architectures are essential.
FAQ
What is the maximum operating frequency and power supply configuration for DSP56321VF220?
DSP56321VF220 operates at a maximum internal clock frequency of 275 MHz. It requires separate 1.6 V core power (VCCQL) and 3.3 V I/O supplies (VCCQH, VCCA, VCCD, VCCC, VCCH, VCCS). The core voltage must be isolated from all other power domains, while I/O supplies may share common rails except VCCQL. This dual-supply architecture enables high-speed computation with controlled I/O drive strength.
Does DSP56321VF220 include on-chip debug capability, and how is it accessed?
Yes, DSP56321VF220 integrates the OnCE™ (On-Chip Emulation) module with a standard JTAG test access port (TAP). Debugging is performed via the TCK, TDI, TDO, TMS, and TRST pins, enabling non-intrusive real-time trace, breakpoint insertion, and register inspection without halting the DSP56321VF220 core during operation.
How does the EFCOP in DSP56321VF220 accelerate filtering tasks compared to software-only execution?
The EFCOP in DSP56321VF220 runs in parallel with the main DSP56300 core at 275 MHz, executing dedicated FIR/IIR and adaptive LMS operations without consuming core cycles. It supports hardware-accelerated 24×24-bit filtering with 4-bit decimation and complex coefficient handling-reducing typical echo-cancellation latency from >50 µs (software) to <10 µs while preserving full core bandwidth for control and protocol tasks.
What memory configuration options are available for program and data RAM in DSP56321VF220?
DSP56321VF220 allows dynamic allocation of its 192 K × 24-bit total RAM via MSW[2:0] bits. Configurations range from 32 K×24 program RAM + 80 K×24 X/Y RAM (instruction cache disabled) to 112 K×24 program RAM + 40 K×24 X/Y RAM (cache enabled). All configurations include 12 K×24 shared memory accessible by both core and EFCOP.
Is DSP56321VF220 pin-compatible with other devices in the DSP56300 family?
Yes, DSP56321VF220 is explicitly documented as pin-compatible with DSP56303, DSP56L307, DSP56309, and DSP56311-all in the same MAP-BGA-220 package. This enables drop-in replacement in existing PCB layouts where EFCOP functionality is not required, or migration paths to higher-performance variants without board redesign.
DSP56321VF220 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- DSP56K/Symphony
- Package/Case:
- 196-BGA
- Packaging:
- Tray
- Product Status:
- Obsolete
- Type:
- Fixed Point
- Interface:
- Host Interface, SSI, SCI
- Clock Rate:
- 220MHz
- Non-Volatile Memory:
- ROM (576B)
- On-Chip RAM:
- 576kB
- Voltage - I/O:
- 3.30V
- Voltage - Core:
- 1.60V
- Operating Temperature:
- -40°C ~ 100°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 196-MAPBGA (15x15)
DSP56321VF220 FAQ
1.How can I place an order for DSP56321VF220 through Aetrix?
Please submit a Request for Quotation (RFQ) for DSP56321VF220 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 DSP56321VF220 reliable?
The price and inventory of DSP56321VF220 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DSP56321VF220 is usually 5 days.
3.What payment methods are accepted for DSP56321VF220?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DSP56321VF220 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DSP56321VF220?
DSP56321VF220 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DSP56321VF220 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 DSP56321VF220?
For technical support, including DSP56321VF220 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DSP56321VF220 requirements.
6.How does Aetrix verify that DSP56321VF220 is sourced from the original manufacturer or authorized distributors?
All DSP56321VF220 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 DSP56321VF220 meets industry standards.
7.What is the process for return or replacement of DSP56321VF220?
All DSP56321VF220 units undergo pre-shipment inspection (PSI). If there is an issue with DSP56321VF220, 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 DSP56321VF220 part is unused and in its original packaging.
Return procedure for DSP56321VF220:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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