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Analog Devices Inc. ADSP-21594KBPZ8
- Part No.:
- ADSP-21594KBPZ8
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 400-FBGA
- Datasheet:
-
ADSP-21594KBPZ8.pdf
- Description:
- 2 X 800MHZ SHARC+
- Quantity:
- Payment:
- Shipping:
Inventory:1,904
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Product details
Overview
ADSP-21594KBPZ8 from Analog Devices is a dual-core SHARC+ floating-point DSP with integrated Arm Cortex-A5 application processor, delivering up to 1 GHz per SHARC+ core and 1 GHz/1600 DMIPS for the Arm core. It features 2 × 640 kB L1 SRAM with parity, 2 MB shared L2 SRAM with ECC, dual 2-channel PDM microphone inputs, and 2× CAN FD interfaces - optimized for automotive audio processing, digital cockpit systems, and real-time ANC/RNC.
For engineers reviewing the ADSP-21594KBPZ8 datasheet, ADSP-21594KBPZ8 pinout, ADSP-21594KBPZ8 application, or ADSP-21594KBPZ8 equivalent, key selection criteria include dual-core SHARC+ clock speed (1 GHz), Arm Cortex-A5 integration, HPC BGA package compatibility, DDR3L memory interface, and automotive AEC-Q100 qualification.
Technical Context
The ADSP-21594KBPZ8 implements a heterogeneous dual-processor architecture: two SHARC+ cores operate independently at up to 1 GHz each with full 32-/40-/64-bit floating-point support and 5 Mb total L1 SRAM (2 × 640 kB), while the Arm Cortex-A5 core runs at up to 1 GHz with 32 kB I/D caches and 256 kB L2 cache - all interconnected via a system crossbar with hardware coherency support.
Its peripheral subsystem includes 2× CAN FD controllers, 4× UARTs, 2× EMAC (10/100/1000), 8× full SPORTs, 2× S/PDIF Rx/Tx, 8× ASRC pairs, and 8× precision clock generators - all mapped to a 400-ball BGA_ED package with 0.8 mm pitch and RoHS compliance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Dual SHARC+ floating-point cores + single Arm Cortex-A5 core - enables concurrent real-time signal processing and high-level OS-driven tasks. |
| SHARC+ Clock Speed | Up to 1 GHz - supports sustained 1 GFLOPS/core performance for computationally intensive audio algorithms. |
| L1 Memory | 2 × 640 kB SRAM with parity - provides zero-wait-state access for both code and data, configurable as cache or SRAM. |
| L2 Memory | 2 MB SRAM with ECC - shared memory space accessible by all cores, ensuring data integrity in safety-critical applications. |
| DDR Interface | 16-bit DDR3/DDR3L controller - enables external memory expansion up to 2 GB with low-latency access for large audio buffers. |
| Package | 400-ball BGA_ED, 17 mm × 17 mm, 0.8 mm pitch - high-peripheral-count (HPC) variant with 135 GPIO + 40 DAI pins. |
| Automotive Qualification | AEC-Q100 Grade 2 (−40°C to +105°C) - certified for under-hood and infotainment use in production vehicles. |
| Security Features | Hardware cryptographic accelerators, fast secure boot, Arm TrustZone, OTP memory - protects firmware IP and enables secure OTA updates. |
Pinout & Package
ADSP-21594KBPZ8 uses a 400-ball BGA_ED package (17 mm × 17 mm, 0.8 mm pitch), designated as High Peripheral Count (HPC) variant. Ball assignments follow JEDEC MO-275AC standard with defined power, ground, I/O, and differential signaling groups. Pinout supports full multiplexing of peripherals including dual CAN FD, 2× EMAC, 4× UARTs, and 2× USB 2.0 HS OTG.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_INT | Core power supply | 1.0 V ±3% supply for SHARC+ and Arm cores - requires low-noise regulation and local decoupling. |
| VDD_IO | I/O power supply | 1.8 V or 3.3 V selectable supply for GPIO, UART, SPI, I²C - enables mixed-voltage system interfacing. |
| CLKIN | Reference clock input | Single-ended or differential 1–50 MHz crystal or oscillator input - feeds internal CGU for all domain clocks. |
| BOOT_CFG[3:0] | Boot configuration strap | 4-bit parallel input sampled at reset - selects boot source (SPI flash, USB, SDIO, or internal ROM). |
| CAN0_TX / CAN0_RX | CAN FD transceiver interface | Differential pair supporting ISO 11898-1:2015 up to 5 Mbps - integrated termination and slew rate control. |
| EMAC0_MDIO / EMAC0_MDC | PHY management interface | IEEE 802.3-compliant MDIO/MDC bus - configures external Ethernet PHY without software overhead. |
Key Features
| Feature | Design Value |
|---|---|
| Dual SHARC+ + Arm Cortex-A5 heterogeneity | Enables simultaneous real-time DSP (e.g., beamforming, echo cancellation) and Linux-based application layer (e.g., UI, connectivity) on one die. |
| 2× CAN FD + 2× EMAC (10/100/1000) | Supports deterministic vehicle network communication and high-bandwidth diagnostics/data logging over Ethernet AVB/TSN. |
| 8× ASRC pairs with jitter tolerance ±100 ppm | Eliminates sample-rate conversion artifacts between asynchronous audio sources (e.g., Bluetooth, USB, analog ADCs) in multi-zone systems. |
| Hardware FIR/IIR accelerators (up to 1 GHz) | Offloads 90%+ of filter computation from SHARC+ cores - preserves CPU cycles for adaptive algorithms like ANC coefficient update. |
| Arm TrustZone + cryptographic engine | Creates secure execution environment for DRM, secure boot, and encrypted audio pipeline - meets AUTOSAR SecOC requirements. |
| 2× 4-channel PDM mic input with 120 dB SNR | Direct connection to MEMS microphones without external ADC - reduces BOM cost and PCB area in voice-enabled cockpits. |
Applications
| Automotive Digital Cockpit | Active Noise Cancellation (ANC) |
|---|---|
|
Use Scenario: Integrated infotainment head unit combining navigation, media playback, voice assistant, and driver monitoring. IC Role / Device Role / Timing Role: ADSP-21594KBPZ8 serves as central audio/video processing hub - Arm core runs Android Automotive OS, SHARC+ cores handle real-time audio mixing, spatial rendering, and acoustic echo cancellation. Use Value: Single-chip solution eliminates inter-processor latency and reduces interconnect complexity versus discrete DSP + application processor designs. |
Use Scenario: Real-time cabin noise suppression using feedforward + feedback microphones and error speakers. IC Role / Device Role / Timing Role: ADSP-21594KBPZ8 executes adaptive LMS/FXLMS algorithms on SHARC+ cores with sub-50 µs loop latency, while Arm core manages sensor fusion and vehicle bus integration. Use Value: Hardware-accelerated FIR filters and dedicated PDM mic inputs enable >30 dB broadband noise reduction at ≤100 µs total system latency. |
| Rear Seat Entertainment (RSE) | Professional Audio Mixing Console |
|
Use Scenario: Multi-zone in-vehicle entertainment with independent HDMI/USB-C video outputs and Dolby Atmos audio decoding. IC Role / Device Role / Timing Role: ADSP-21594KBPZ8 performs real-time Dolby AC-4 decoding, upmixing, and speaker calibration - SHARC+ handles audio DSP, Arm core manages HDMI CEC and USB device enumeration. Use Value: On-chip DDR3L controller and 2 MB L2 SRAM eliminate need for external memory buffers during high-bitrate multi-channel decode. |
Use Scenario: 64-channel live sound reinforcement console with dynamics processing, EQ, and effects routing. IC Role / Device Role / Timing Role: ADSP-21594KBPZ8 acts as primary DSP engine - SHARC+ cores execute parallel channel processing (compression, limiting, parametric EQ), Arm core hosts touchscreen GUI and network control (AES67, Dante). Use Value: 8× full SPORTs and 2× S/PDIF interfaces provide native digital I/O for 128-channel audio I/O without external serializers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-core audio DSP applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADSP-SC594KCPZ-4 | Same die, but 800 MHz SHARC+ cores and 800 MHz Arm Cortex-A5 - lower max frequency, identical peripheral set and pinout. | Suitable for cost-sensitive automotive audio where 1 GHz SHARC+ headroom is unnecessary. | Select when thermal/power budget constraints limit operation to 800 MHz across both domains. |
| TDA38850A | Infineon dual-core Aurix TC3xx MCU with 300 MHz TriCore + 300 MHz DSP - fixed-point only, no floating-point SHARC+ ISA, no ASRC or PDM mic inputs. | Targeted at motor control + basic audio gateway functions, not high-fidelity audio processing. | Choose only for non-audio-centric automotive ECU consolidation where floating-point math and audio-specific peripherals are not required. |
Compared with ADSP-21594KBPZ8, ADSP-SC594KCPZ-4 offers identical architecture and pin compatibility at reduced clock speed, while TDA38850A provides automotive MCU functionality without SHARC+ audio acceleration - making ADSP-21594KBPZ8 uniquely suited for premium audio systems requiring both real-time floating-point compute and rich audio I/O.
Availability
ADSP-21594KBPZ8 is available at Aetrix Electronics and suitable for automotive digital cockpit, active noise cancellation, and professional audio mixing console applications requiring stable component supply and long-term industrial lifecycle support.
Supply support for ADSP-21594KBPZ8 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 leader in high-performance analog, mixed-signal, and DSP technology, headquartered in Wilmington, MA, with design centers worldwide and deep expertise in precision signal processing.
The ADSP-21594KBPZ8 belongs to the SHARC+ family - engineered specifically for high-fidelity, low-latency audio and industrial signal processing applications demanding deterministic floating-point performance and heterogeneous compute.
FAQ
What is the maximum operating temperature range for the ADSP-21594KBPZ8?
The ADSP-21594KBPZ8 is qualified to AEC-Q100 Grade 2 specifications, supporting continuous operation from −40°C to +105°C ambient temperature - validated for under-dash automotive environments and industrial enclosures without forced air cooling.
Does the ADSP-21594KBPZ8 support secure boot and firmware encryption?
Yes, the ADSP-21594KBPZ8 includes hardware cryptographic accelerators (AES-256, SHA-256, RSA), one-time-programmable (OTP) memory for key storage, and fast secure boot - enabling authenticated, encrypted firmware loading directly from SPI flash or USB without external security chips.
Is the ADSP-21594KBPZ8 pin-compatible with other SHARC+ processors?
No - the ADSP-21594KBPZ8 uses the 400-ball High Peripheral Count (HPC) BGA_ED package, which is not pin-compatible with ADSP-2156x or ADSP-21593 LPC variants. Its ball map is unique to the HPC configuration and requires dedicated PCB layout.
How many independent audio sample-rate domains does the ADSP-21594KBPZ8 support?
The ADSP-21594KBPZ8 integrates eight asynchronous sample-rate converters (ASRCs), organized as four pairs per DAI - enabling simultaneous handling of up to eight independent audio streams with different sample rates (e.g., 44.1 kHz Bluetooth, 48 kHz USB, 96 kHz PDM mic, 192 kHz SPDIF).
Can the Arm Cortex-A5 core in the ADSP-21594KBPZ8 run Linux?
Yes - the ADSP-21594KBPZ8's Arm Cortex-A5 core (with MMU, 32 kB I/D caches, and 256 kB L2 cache) fully supports Linux distributions including Analog Devices' provided Yocto-based ADSP-Linux BSP, enabling rich application-layer software alongside real-time SHARC+ audio processing.
ADSP-21594KBPZ8 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- SHARC®
- Package/Case:
- 400-FBGA
- Packaging:
- Tray
- Product Status:
- Active
- Type:
- Fixed/Floating Point
- Interface:
- CAN, DDR2, DDR3, EBI/EMI, Ethernet, DAI, I2C, SPI, SPORT, UART/USART, USB OTG
- Clock Rate:
- 800MHz
- Non-Volatile Memory:
- External
- On-Chip RAM:
- 3.25MB
- Voltage - I/O:
- 3.30V
- Voltage - Core:
- 1V
- Operating Temperature:
- 0°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 400-BGA (17x17)
ADSP-21594KBPZ8 FAQ
1.How can I place an order for ADSP-21594KBPZ8 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-21594KBPZ8 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-21594KBPZ8 reliable?
The price and inventory of ADSP-21594KBPZ8 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADSP-21594KBPZ8 is usually 5 days.
3.What payment methods are accepted for ADSP-21594KBPZ8?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-21594KBPZ8 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-21594KBPZ8?
ADSP-21594KBPZ8 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-21594KBPZ8 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-21594KBPZ8?
For technical support, including ADSP-21594KBPZ8 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-21594KBPZ8 requirements.
6.How does Aetrix verify that ADSP-21594KBPZ8 is sourced from the original manufacturer or authorized distributors?
All ADSP-21594KBPZ8 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-21594KBPZ8 meets industry standards.
7.What is the process for return or replacement of ADSP-21594KBPZ8?
All ADSP-21594KBPZ8 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-21594KBPZ8, 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-21594KBPZ8 part is unused and in its original packaging.
Return procedure for ADSP-21594KBPZ8:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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