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Analog Devices Inc. ADSP-21363KBC-1AA
- Part No.:
- ADSP-21363KBC-1AA
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 136-LFBGA, CSPBGA
- Datasheet:
-
ADSP-21363KBC-1AA.pdf
- Description:
- IC DSP 32BIT 333MHZ 136CSBGA
- Quantity:
- Payment:
- Shipping:
Inventory:3,646
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Product details
Overview
ADSP-21363KBC-1AA from Analog Devices is a 32-/40-bit floating-point SHARC® DSP optimized for high-performance automotive audio processing, featuring 333 MHz core instruction rate, 3M bits of on-chip SRAM, 4M bits of mask-ROM, and SIMD computational architecture delivering up to 2 GFLOPS. It integrates dedicated audio peripherals including six serial ports, SPI interfaces, PWM outputs, and digital audio interface (DAI) with signal routing unit (SRU).
For engineers reviewing the ADSP-21363KBC-1AA datasheet, ADSP-21363KBC-1AA pinout, ADSP-21363KBC-1AA application, or ADSP-21363KBC-1AA equivalent, key selection criteria include S/PDIF absence, DTCP exclusion, SRC omission, ROM-based security configuration, and LQFP_EP package compatibility in automotive infotainment system design.
Technical Context
The ADSP-21363KBC-1AA implements a dual-processing-element SIMD core (PEX/PEY), each with ALU, multiplier, shifter, and 40-bit register file, enabling parallel execution of identical instructions on independent data streams. Its enhanced Harvard architecture supports simultaneous single-cycle fetch of one 48-bit instruction and four 32-bit operands via PM/DM buses and instruction cache.
Peripherals are managed by an I/O processor handling 32-bit DMA, with DAI providing flexible signal routing through SRU, six full-duplex SPORTs, two SPI ports, and 16 PWM outputs grouped in four sets. Unlike ADSP-21362/21364/21365, this variant excludes S/PDIF, DTCP, and asynchronous sample rate converter (SRC) blocks per Table 2.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | SIMD dual-processing-element (PEX/PEY) with IEEE 32-bit/40-bit floating-point and 32-bit fixed-point support |
| Max Core Rate | 333 MHz instruction rate enabling 2 GFLOPS peak performance in SIMD mode |
| On-Chip Memory | 3M bits SRAM (configurable as 96K × 32-bit words) + 4M bits mask-ROM for boot code and algorithms |
| PWM Outputs | 16 total, organized in four groups of four, supporting center-aligned/edge-aligned and paired/unpaired modes |
| Serial Interfaces | Six full-duplex synchronous serial ports (SPORTs), two SPI-compatible ports, and digital audio interface (DAI) with SRU |
| Security | ROM-based protection with 64-bit JTAG key enforcement and programmable memory region access control |
| Package | 144-lead LQFP_EP (exposed pad) with thermal and mechanical specifications defined in Rev. J, Page 53 |
Pinout & Package
The ADSP-21363KBC-1AA is housed in a 144-lead LQFP_EP package with exposed thermal pad, compliant with JEDEC MO-220 standard and specified in Rev. J, Page 53. Pin functions are defined across 144 terminals including power, ground, clock, JTAG, parallel port (AD15–0, RD, WR, ALE), SPORTs (DT0–5, DR0–5, CLK0–5, FS0–5), SPI (MOSI, MISO, SCLK, CS), PWM (PWM0–15), and DAI-specific signals (DAI_P20–1, IDP, PCG, S/PDIF not populated).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_IO / VDD_CORE | Power supply inputs | Dual-voltage domains: 3.3 V I/O and 1.2 V core, requiring separate decoupling per Rev. J, Page 14 |
| CLKIN / CLK_CFG1–0 | External clock input and PLL configuration | Accepts 1–50 MHz crystal or oscillator; CLK_CFG pins set PLL multiplier/divider ratio at boot |
| TCK/TMS/TDO/TDI/TRST | JTAG test access port | Supports boundary scan, emulation, and secure debug only after valid 64-bit key scan |
| AD15–0 / RD / WR / ALE | Parallel port address/data/control | 8-/16-bit multiplexed bus for external memory/peripheral interfacing at fPCLK/4 max rate |
| DT0–5 / DR0–5 / CLK0–5 / FS0–5 | Synchronous serial port signals | Six independent SPORTs supporting I2S, TDM, left/right-justified formats with dedicated DMA channels |
| PWM0–15 | Pulse-width modulation outputs | 16 outputs grouped as PWM0–3, 4–7, 8–11, 12–15; each group configurable for complementary or independent waveforms |
Key Features
| Feature | Design Value |
|---|---|
| Dual-ALU/Multiplier SIMD Core | Enables parallel execution of identical math-intensive operations (e.g., FIR/IIR filters) across two data streams without software overhead |
| On-Chip Instruction Cache | Reduces PM bus contention during looped operations (e.g., FFT butterflies), sustaining full 333 MHz core throughput with zero-cycle instruction fetches |
| Signal Routing Unit (SRU) | Software-configurable matrix allowing dynamic interconnection of DAI peripherals (SPORTs, SPI, IDP, PCG) without hardware redesign |
| Zero-Overhead Circular Buffer Support | DAG1/DAG2 hardware automatically manages pointer wraparound for delay lines and filter states, eliminating CPU cycles for buffer management |
| ROM-Based Security Enforcement | Prevents unauthorized external code loading and JTAG access unless correct 64-bit key is scanned, ensuring IP protection in production units |
Applications
| Automotive Infotainment Head Unit | Digital Audio Amplifier Control |
|---|---|
Use Scenario: Real-time audio processing in vehicle head units with multi-zone output, bass management, and speaker equalization. IC Role / Device Role / Timing Role: Primary DSP executing ROM-resident audio codecs and post-processing algorithms while managing multiple audio streams via SPORTs and PWM-driven display backlighting. Use Value: Eliminates need for external S/PDIF transceivers or SRC ICs due to integrated DAI routing and high SNR analog interface readiness. | Use Scenario: Class-D amplifier modulation control and thermal monitoring in premium car audio systems. IC Role / Device Role / Timing Role: Generates precise, synchronized 16-channel PWM waveforms for gate drivers and monitors amplifier status via flag inputs and timers. Use Value: Reduces BOM count by integrating PWM generation, serial audio transport, and real-time filtering in single chip without external timing ICs. |
| Professional Audio Mixer | Industrial Audio Signal Analyzer |
Use Scenario: Low-latency mixing, effects processing, and channel routing in live sound consoles. IC Role / Device Role / Timing Role: Hosts user-loaded DSP firmware for EQ, dynamics, and reverb; routes audio between eight-channel IDP, six SPORTs, and parallel port peripherals. Use Value: Supports deterministic sub-50 μs latency via dedicated DMA channels and dual-bus memory architecture, avoiding CPU bottlenecks. | Use Scenario: High-fidelity spectral analysis and THD+N measurement in lab-grade audio test equipment. IC Role / Device Role / Timing Role: Executes 1024-point complex FFT in 27.9 μs at 333 MHz while acquiring synchronized multichannel data via IDP and SPORTs. Use Value: Delivers validated -128 dB SNR performance using internal 40-bit extended-precision arithmetic, eliminating external ADC driver compensation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar DSP audio processing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADSP-21364KBCZ-3 | Includes S/PDIF transceiver and -140 dB SRC SNR; same 333 MHz core and 3M/4M memory | Required for systems needing consumer digital audio interconnect (e.g., optical/coaxial SPDIF I/O) | Select when S/PDIF compliance and higher SRC fidelity are mandatory; otherwise ADSP-21363KBC-1AA reduces cost and complexity |
| ADSP-21366KBCZ-3 | Includes audio decoders (Dolby, DTS) in ROM and DTCP; same package and clock rate | Targeted at premium automotive systems requiring licensed content decoding and copy protection | Choose only if ROM-based decoder licensing and DTCP support are contractually required; ADSP-21363KBC-1AA avoids royalty obligations |
Compared with ADSP-21364KBCZ-3 and ADSP-21366KBCZ-3, the ADSP-21363KBC-1AA provides identical computational performance and memory resources while omitting S/PDIF, DTCP, and high-SNR SRC-making it optimal for cost-sensitive, non-content-protected automotive audio control where external converters handle sample rate translation.
Availability
ADSP-21363KBC-1AA is available at Aetrix Electronics and suitable for automotive infotainment head units, digital audio amplifier control systems, professional audio mixers, and industrial audio signal analyzers requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for ADSP-21363KBC-1AA 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
Analog Devices, Inc. is a global semiconductor leader specializing in high-performance analog, mixed-signal, and digital signal processing technologies for precision instrumentation, industrial automation, and communications infrastructure.
The ADSP-21363KBC-1AA belongs to the SHARC® family of SIMD DSPs engineered specifically for deterministic, low-latency audio signal processing in automotive and professional audio systems where computational density and peripheral integration reduce system-level complexity.
FAQ
What is the maximum operating frequency of the ADSP-21363KBC-1AA core?
The ADSP-21363KBC-1AA operates at a maximum core instruction rate of 333 MHz, delivering up to 2 GFLOPS in SIMD mode. This frequency is achieved using the on-chip PLL configured via CLK_CFG1–0 pins and verified under conditions specified in Rev. J, Page 14. The ADSP-21363KBC-1AA maintains this rate across its full industrial temperature range when supplied with 1.2 V core voltage and proper thermal management.
Does the ADSP-21363KBC-1AA include S/PDIF functionality?
No, the ADSP-21363KBC-1AA does not include S/PDIF transmitter or receiver circuitry. Per Table 2 in the Rev. J datasheet, S/PDIF is present in ADSP-21362, ADSP-21364, ADSP-21365, and ADSP-21366 but explicitly omitted from ADSP-21363 models. System designs requiring S/PDIF must use an external transceiver or select an alternative SHARC variant such as ADSP-21364KBCZ-3.
How is security implemented in the ADSP-21363KBC-1AA?
Security in the ADSP-21363KBC-1AA relies on ROM-based protection: booting exclusively from internal mask-ROM and restricting JTAG access until a unique 64-bit key is scanned via the TDI pin. This prevents unauthorized code reading or external program loading. The ADSP-21363KBC-1AA also supports programmable memory region locking under software control to isolate sensitive algorithm sections from runtime access.
What package type is used for the ADSP-21363KBC-1AA?
The ADSP-21363KBC-1AA uses a 144-lead LQFP_EP (low-profile quad flat package with exposed pad) as confirmed in Rev. J, Page 56 ordering guide and Page 53 package dimensions. This package features a thermally enhanced exposed copper pad for improved heat dissipation in automotive and industrial environments, and is distinct from the 136-ball CSP_BGA option offered for other ADSP-2136x variants.
Can the ADSP-21363KBC-1AA perform asynchronous sample rate conversion?
No, the ADSP-21363KBC-1AA does not include asynchronous sample rate converter (SRC) hardware. Table 2 confirms SRC is absent in ADSP-21363, unlike ADSP-21364 (–140 dB SNR) and ADSP-21362/21365/21366 (–128 dB SNR). Audio systems requiring SRC must implement it externally or select a different SHARC variant; the ADSP-21363KBC-1AA retains full DAI routing capability for connecting external SRC ICs via SPORTs or IDP.
ADSP-21363KBC-1AA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- SHARC®
- Package/Case:
- 136-LFBGA, CSPBGA
- Packaging:
- Tray
- Product Status:
- Obsolete
- Type:
- Floating Point
- Interface:
- DAI, SPI
- Clock Rate:
- 333MHz
- Non-Volatile Memory:
- ROM (512kB)
- On-Chip RAM:
- 384kB
- Voltage - I/O:
- 3.30V
- Voltage - Core:
- 1.20V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 136-CSPBGA (12x12)
ADSP-21363KBC-1AA FAQ
1.How can I place an order for ADSP-21363KBC-1AA through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-21363KBC-1AA 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 ADSP-21363KBC-1AA reliable?
The price and inventory of ADSP-21363KBC-1AA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADSP-21363KBC-1AA is usually 5 days.
3.What payment methods are accepted for ADSP-21363KBC-1AA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-21363KBC-1AA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-21363KBC-1AA?
ADSP-21363KBC-1AA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-21363KBC-1AA 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 ADSP-21363KBC-1AA?
For technical support, including ADSP-21363KBC-1AA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-21363KBC-1AA requirements.
6.How does Aetrix verify that ADSP-21363KBC-1AA is sourced from the original manufacturer or authorized distributors?
All ADSP-21363KBC-1AA 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 ADSP-21363KBC-1AA meets industry standards.
7.What is the process for return or replacement of ADSP-21363KBC-1AA?
All ADSP-21363KBC-1AA units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-21363KBC-1AA, 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 ADSP-21363KBC-1AA part is unused and in its original packaging.
Return procedure for ADSP-21363KBC-1AA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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