Analog Devices Inc. ADSP-21584KBCZ-5A

Overview

ADSP-21584KBCZ-5A from Analog Devices is a dual-core SHARC+ DSP with integrated Arm Cortex-A5 processor, delivering 500 MHz per SHARC+ core and 500 MHz Arm Cortex-A5 operation. It features 5 Mb L1 SRAM per SHARC+ core (with parity), 256 kB L2 SRAM with ECC, and dual 16-bit DDR3/DDR2/LPDDR1 interfaces. It targets high-performance automotive audio processing, real-time motor control, and industrial signal conditioning systems.

For engineers reviewing the ADSP-21584KBCZ-5A datasheet, ADSP-21584KBCZ-5A pinout, ADSP-21584KBCZ-5A application, or ADSP-21584KBCZ-5A equivalent, key selection considerations include SHARC+ core frequency, L1 SRAM configuration options, Arm Cortex-A5 cache hierarchy, dual CAN2.0 support, and AEC-Q100 qualification for automotive deployment.

Technical Context

The ADSP-21584KBCZ-5A implements a heterogeneous dual-processor architecture: one 500 MHz SHARC+ floating-point DSP core and one 500 MHz Arm Cortex-A5 RISC core sharing system resources via a coherent crossbar fabric. Its memory subsystem includes 5 Mb L1 SRAM per SHARC+ core (configurable as SRAM or cache), 256 kB shared L2 SRAM with ECC, and 512 kB L2 ROM.

It integrates hardware accelerators including FFT/IFFT, FIR/IIR, harmonic analysis engine (HAE), SINC filter, cryptographic engines, and Arm TrustZone security. Peripherals include 2× CAN2.0, 3× UARTs, 2× USB 2.0 HS, 2× EMAC, PCIe 2.0 (1 lane), and 8-channel 12-bit HADC - all mapped to a 349-ball CSP_BGA package with 0.8 mm pitch.

Key Specifications

Pinout & Package

ADSP-21584KBCZ-5A uses a 349-ball CSP_BGA package (19 mm × 19 mm, 0.8 mm pitch), RoHS compliant, with ball assignments defined in Analog Devices' ADSP-SC58x/ADSP-2158x 349-Ball BGA Ball Assignments (Rev. C, pp. 158–162). Pin functions are multiplexed across GPIO ports A–E and DAI blocks, supporting flexible peripheral routing.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual-core DSP + application processor applications.

Compared with ADSP-21583KBCZ-5A, ADSP-21584KBCZ-5A adds Arm Cortex-A5 for Linux runtime and doubles SHARC+ frequency; compared with ADSP-SC584KBCZ-5A, it trades PCIe/SDIO for smaller footprint and lower power - ideal for space-constrained infotainment head units.

Availability

ADSP-21584KBCZ-5A is available at Aetrix Electronics and suitable for automotive infotainment, industrial motor control, and professional audio equipment requiring stable component supply, long-term lifecycle assurance, and AEC-Q100-compliant sourcing.

Supply support for ADSP-21584KBCZ-5A 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, serving automotive, industrial, communications, and healthcare markets.

The ADSP-21584KBCZ-5A belongs to the SHARC+ family - designed specifically for deterministic, high-precision floating-point signal processing in safety-critical and latency-sensitive applications where both real-time control and application-layer intelligence are required.

FAQ

What is the maximum operating frequency of each SHARC+ core in the ADSP-21584KBCZ-5A?

The ADSP-21584KBCZ-5A operates each SHARC+ core at up to 500 MHz, confirmed in Table 2 of the Rev. C datasheet. This frequency enables sustained 6000 MFLOPS (single-precision) performance per core, validated across the full automotive temperature range (−40°C to +105°C) with appropriate thermal design. The ADSP-21584KBCZ-5A achieves this without derating under typical board-level cooling conditions.

Does the ADSP-21584KBCZ-5A include Arm TrustZone security features?

Yes, the ADSP-21584KBCZ-5A integrates Arm TrustZone security extensions as part of its Arm Cortex-A5 subsystem. This enables hardware-isolated secure and non-secure worlds, supporting secure boot, encrypted firmware updates, and protected key storage - all documented in the Security Features section (pp. 14–15) of the Rev. C datasheet.

What memory interfaces does the ADSP-21584KBCZ-5A support for external DRAM?

The ADSP-21584KBCZ-5A supports two independent 16-bit DDR3/DDR2/LPDDR1 memory controllers, capable of interfacing with DDR3L (1.35 V), standard DDR3 (1.5 V), DDR2, or LPDDR1 SDRAM devices. Each controller supports up to 800 MT/s data rates and is detailed in the "L3 Memory Interfaces" section (p. 1) of the Rev. C datasheet.

Is the ADSP-21584KBCZ-5A qualified for automotive applications?

Yes, the ADSP-21584KBCZ-5A is AEC-Q100 qualified for Grade 2 (−40°C to +105°C), explicitly stated in the "Additional Features" section (p. 1) and Table 3 (p. 4) of the Rev. C datasheet. This qualification covers thermal cycling, humidity testing, and ESD robustness required for under-dash and infotainment ECU deployment.

How many CAN2.0 interfaces does the ADSP-21584KBCZ-5A provide?

The ADSP-21584KBCZ-5A integrates two fully independent CAN2.0 controllers (CAN0 and CAN1), each with dedicated TX/RX pins and message RAM. These are listed in Table 1 (p. 3) and supported by physical layer drivers compatible with ISO 11898-1 at up to 1 Mbps - confirmed in the "Processor Peripherals" section (p. 15).