Analog Devices Inc. ADSP-21583CBCZ-4A

Overview

ADSP-21583CBCZ-4A from Analog Devices is a dual-core SHARC+ DSP with Arm Cortex-A5 co-processor, operating at 500 MHz per SHARC+ core and 450 MHz for the Arm core. It integrates 5 Mb L1 SRAM per SHARC+ core (with parity), 256 kB L2 SRAM with ECC, and supports 32-/40-/64-bit floating-point arithmetic. It targets high-performance audio processing, automotive infotainment, and real-time industrial control systems requiring deterministic low-latency signal execution.

For engineers reviewing the ADSP-21583CBCZ-4A datasheet, ADSP-21583CBCZ-4A pinout, ADSP-21583CBCZ-4A application, or ADSP-21583CBCZ-4A equivalent, key selection criteria include dual-core SHARC+ clock speed, L1 SRAM partitioning, Arm Cortex-A5 cache configuration, DDR3L interface support, and AEC-Q100 qualification status for automotive deployment.

Technical Context

The ADSP-21583CBCZ-4A implements a heterogeneous dual-domain architecture: one SHARC+ core runs at 500 MHz with 5 Mb L1 SRAM (configurable as SRAM or cache), while the Arm Cortex-A5 operates at 450 MHz with 32 kB I-cache/32 kB D-cache and 256 kB L2 cache. Both domains share a coherent system fabric with L2 SRAM (256 kB, ECC-protected) and L2 ROM (512 kB).

It features two independent L3 memory interfaces supporting 16-bit DDR3L/DDR2/LPDDR1 SDRAM, dual CAN 2.0 controllers, three UARTs, two link ports, and hardware accelerators for FFT/IFFT, FIR/IIR, harmonic analysis, and SINC filtering - all synchronized via a unified system crossbar and DMA subsystem.

Key Specifications

Pinout & Package

ADSP-21583CBCZ-4A uses a 349-ball CSP_BGA package (19 mm × 19 mm, 0.8 mm pitch, RoHS compliant). Ball assignments follow the ADSP-2158x 349-Ball BGA layout defined in Analog Devices' Rev. C documentation.

Key Features

Applications

Equivalent & Alternatives

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

Compared with ADSP-21584BBCZ-4 and ADSP-SC584KBCZ-4, the ADSP-21583CBCZ-4A offers optimal cost/performance balance for space-constrained automotive and audio applications where single DDR3L channel and 349-BGA footprint are sufficient.

Availability

ADSP-21583CBCZ-4A is available at Aetrix Electronics and suitable for automotive infotainment, professional audio equipment, and industrial motor control applications requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for ADSP-21583CBCZ-4A 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 digital signal processing semiconductors, headquartered in Wilmington, MA.

The ADSP-21583CBCZ-4A belongs to the SHARC+ dual-core DSP family designed specifically for deterministic real-time audio, industrial control, and automotive signal processing where floating-point precision, memory bandwidth, and functional safety coexist.

FAQ

What is the maximum operating frequency of each SHARC+ core in the ADSP-21583CBCZ-4A?

The ADSP-21583CBCZ-4A features a single SHARC+ core rated at 500 MHz maximum operation. Unlike the ADSP-21584 or ADSP-SC58x variants, the ADSP-21583CBCZ-4A is a single-SHARC+ core device paired with an Arm Cortex-A5 core - confirmed in Table 2 of the Rev. C datasheet. This configuration delivers 500 MHz SHARC+ performance with 450 MHz Arm Cortex-A5 operation.

Does the ADSP-21583CBCZ-4A support DDR3L memory, and what interface width is implemented?

Yes, the ADSP-21583CBCZ-4A supports DDR3L memory via a single 16-bit L3 memory interface. It is compatible with 1.35 V DDR3L SDRAM devices operating up to 800 MT/s, as specified in the "Additional Features" section and Table 2 of the Rev. C datasheet. The interface does not support DDR4 or LPDDR2/LPDDR3.

Is the ADSP-21583CBCZ-4A qualified for automotive applications, and what AEC-Q100 grade does it meet?

Yes, the ADSP-21583CBCZ-4A is AEC-Q100 qualified for automotive use. It meets Grade 2 specifications (−40°C to +105°C ambient operating temperature), as documented in the "Additional Features" section and Table 3 (Automotive Processor Features) of the Rev. C datasheet. This qualification covers thermal, ESD, and reliability testing required for under-dash infotainment and body control modules.

How much on-chip L1 SRAM is available for the SHARC+ core in the ADSP-21583CBCZ-4A, and is parity protection enabled?

The ADSP-21583CBCZ-4A provides 5 Mb (640 kB) of L1 SRAM dedicated to its SHARC+ core, configurable as SRAM or instruction/data cache. Parity protection is integrated across the entire L1 SRAM block, as stated in the "System Features" section and verified in Figure 1 and Table 1 of the Rev. C datasheet. This parity is mandatory for ASIL-B functional safety compliance.

What peripheral interfaces are included for real-time audio processing in the ADSP-21583CBCZ-4A?

The ADSP-21583CBCZ-4A includes two Digital Audio Interfaces (DAI), four full SPORTs, two S/PDIF Rx/Tx pairs, four ASRCs, two precision clock generators (PCGs), and an 8-channel 12-bit HADC with integrated SINC filter - all explicitly listed in Table 1 and the "Processor Peripherals" section of the Rev. C datasheet. These interfaces enable direct connection to ADCs, DACs, and digital audio transceivers without external glue logic.