Analog Devices Inc. ADSP-SC571CSWZ-5

Overview

ADSP-SC571CSWZ-5 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 2 × 384 kB L1 SRAM with parity, 256 kB L2 cache with parity, 1 MB L2 SRAM with ECC, and supports 32-/40-/64-bit floating-point arithmetic. Used in automotive infotainment and professional audio systems requiring deterministic real-time signal processing and application-level OS support.

For engineers reviewing the ADSP-SC571CSWZ-5 datasheet, ADSP-SC571CSWZ-5 pinout, ADSP-SC571CSWZ-5 application, or ADSP-SC571CSWZ-5 equivalent, key selection considerations include dual-core SHARC+ clock speed (500 MHz), Arm Cortex-A5 frequency (500 MHz), L1 SRAM configuration (2 × 384 kB), L2 SRAM capacity (1 MB with ECC), and automotive qualification status (AEC-Q100).

Technical Context

The ADSP-SC571CSWZ-5 implements a heterogeneous dual-domain architecture: one Arm Cortex-A5 core handles high-level OS tasks and peripheral management, while two SHARC+ cores execute time-critical floating-point DSP algorithms in parallel. The system fabric interconnects both domains via shared L2 SRAM (1 MB, ECC-protected) and a crossbar DMA subsystem supporting concurrent memory transfers.

It integrates dedicated hardware accelerators including FIR/IIR offload engines, cryptographic engines for secure boot, and ASRCs (4 pairs) for sample-rate conversion. Peripherals include dual CAN 2.0 controllers, three UARTs, two SPI + quad-SPI, three I²C interfaces, USB 2.0 HS, EMAC (10/100 Mbps), and an 8-channel 12-bit HADC - all accessible through the Signal Routing Unit (SRU) and DAI interface.

Key Specifications

Pinout & Package

ADSP-SC571CSWZ-5 uses a 176-lead LQFP_EP (exposed pad) package with 0.5 mm pitch. Pin assignments follow the ADSP-SC57x 176-Lead LQFP signal descriptions in Rev. C datasheet (pages 38–44), supporting GPIO multiplexing across Ports A–D (64 pins) plus 20 DAI pins.

Key Features

Applications

Equivalent & Alternatives

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

Compared with ADSP-SC571CSWZ-5, ADSP-SC572CSWZ-5 trades USB/Ethernet for external memory support in BGA form, while ADSP-SC573CSWZ-5 adds both memory and high-speed interfaces - making the SC571 optimal for LQFP-based automotive/audio designs where USB/Ethernet are secondary and board area is constrained.

Availability

ADSP-SC571CSWZ-5 is available at Aetrix Electronics and suitable for automotive infotainment, professional audio equipment, and industrial motor control systems requiring stable component supply, AEC-Q100 qualification, and long-term lifecycle support.

Supply support for ADSP-SC571CSWZ-5 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-SC57x series belongs to Analog Devices' SHARC+ family - designed specifically for applications demanding both high-precision floating-point computation and embedded application processing in a single integrated SoC.

FAQ

What is the maximum operating frequency of each SHARC+ core in the ADSP-SC571CSWZ-5?

The ADSP-SC571CSWZ-5 operates each SHARC+ core at up to 500 MHz, as confirmed in Table 2 of the Rev. C datasheet. This frequency is sustained under automotive temperature conditions (−40°C to +105°C) with appropriate power delivery and thermal design. The ADSP-SC571CSWZ-5 does not support overclocking beyond this rated speed.

Does the ADSP-SC571CSWZ-5 include hardware cryptographic acceleration?

Yes, the ADSP-SC571CSWZ-5 integrates dedicated cryptographic hardware accelerators supporting AES, SHA, and RSA operations, enabling fast secure boot with IP protection. These accelerators operate independently of the Arm and SHARC+ cores, reducing firmware overhead. The ADSP-SC571CSWZ-5 also supports Arm TrustZone for secure world isolation.

What memory types and capacities are integrated on-chip in the ADSP-SC571CSWZ-5?

The ADSP-SC571CSWZ-5 integrates 2 × 384 kB L1 SRAM (with parity) per SHARC+ core, 256 kB L2 cache (with parity), and 1 MB L2 SRAM with ECC protection. It lacks on-die Flash or ROM but supports boot from external SPI flash, SDIO/eMMC, or internal boot ROM. No DDR controller is present in the ADSP-SC571CSWZ-5 variant.

Is the ADSP-SC571CSWZ-5 qualified for automotive applications?

Yes, the ADSP-SC571CSWZ-5 is AEC-Q100 qualified for automotive applications (Grade 3: −40°C to +105°C ambient). Its qualification covers thermal cycling, humidity testing, and ESD robustness per automotive standards. The part number suffix "W" (e.g., ADSP-SC571W) denotes enhanced automotive qualification, but ADSP-SC571CSWZ-5 itself meets full AEC-Q100 requirements as documented in the Rev. C datasheet.

Which package type does the ADSP-SC571CSWZ-5 use, and what are its thermal characteristics?

The ADSP-SC571CSWZ-5 uses a 176-lead LQFP_EP (exposed pad) package measuring 24 mm × 24 mm. The exposed thermal pad enables direct PCB copper connection for efficient heat dissipation. Its θ_JA is 23.5°C/W (JEDEC standard board), and θ_JC is 2.5°C/W (junction-to-case), supporting operation up to 105°C junction temperature under proper PCB layout and airflow.