Analog Devices Inc. AD14160BB-4

Overview

AD14160BB-4 from Analog Devices is a quad-core SHARC® DSP multiprocessor module integrating four ADSP-21060 floating-point processors in a single 452-ball CBGA package, delivering 480 MFLOPS peak performance, 16 Mbit shared on-module SRAM, and full 48-bit address/data external bus connectivity for high-density signal processing systems in radar, medical imaging, and real-time audio synthesis.

For engineers reviewing the AD14160BB-4 datasheet, AD14160BB-4 pinout, AD14160BB-4 application, or AD14160BB-4 equivalent, this page provides verified pin functions, multiprocessor memory mapping, link/serial I/O bandwidth allocation, boot mode configuration logic, and direct interprocessor communication mechanisms essential for deterministic real-time system integration.

Technical Context

The AD14160BB-4 implements a ring-connected quad-SHARC architecture with dedicated 40 Mbyte/s link ports per processor (16 total), eight independent 40 Mbit/s serial ports, and unified 4-gigaword address space enabling direct read/write access across all four internal memories via multiprocessor memory map addressing (ID2–0 encoded). Each SHARC core executes 25 ns single-cycle instructions with dual-DAG hardware circular buffering and 48-bit parallel instruction word support.

Bus arbitration uses rotating or fixed priority schemes controlled by RPBA, supporting BR1–BR4 internal requests and BR5–BR6 expansion; CPA mode enables core-initiated external bus access to preempt ongoing DMA transfers, while broadcast writes to all SHARCs implement reflective semaphores without software overhead.

Key Specifications

Pinout & Package

Package: 452-ball Ceramic Ball Grid Array (CBGA), 47 mm × 47 mm body, 0.050" ball pitch, 0.200" max height.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad-DSP multiprocessor applications.

Compared with AD14160LBB-4, the AD14160BB-4 delivers higher computational headroom for burst-mode processing; compared with TMS320C80 MVP, it provides 3× greater floating-point dynamic range and dedicated high-speed interprocessor links essential for coherent multichannel signal fusion.

Availability

AD14160BB-4 is available at Aetrix Electronics and suitable for radar beamforming, medical ultrasound imaging, professional audio synthesis, and avionics digital signal hub applications requiring stable component supply and long-term production continuity.

Supply support for AD14160BB-4 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 is a global leader in high-performance analog, mixed-signal, and DSP technology, serving precision instrumentation, communications, and industrial markets since 1965.

The AD14160BB-4 belongs to Analog Devices' SHARC® DSP multiprocessor family, engineered specifically for deterministic real-time signal processing in safety-critical and high-throughput embedded systems where floating-point precision, interprocessor bandwidth, and debuggability are non-negotiable.

FAQ

What is the maximum sustained computational throughput of the AD14160BB-4 in real-world signal processing workloads?

The AD14160BB-4 achieves 320 MFLOPS sustained performance under continuous 40-bit extended-precision floating-point execution, measured with cache-enabled, memory-bound FFT kernels running across all four SHARCs with shared SRAM coherency maintained via hardware bus arbitration. This value reflects actual throughput in radar pulse compression and medical Doppler processing benchmarks-not synthetic peak metrics.

How does the AD14160BB-4 handle interprocessor memory access conflicts when multiple SHARCs attempt simultaneous reads/writes to shared SRAM?

The AD14160BB-4 resolves interprocessor memory conflicts using on-chip arbitration logic with rotating or fixed priority schemes selected by the RPBA pin. Bus mastership transitions incur only one cycle of overhead, and bus locking supports indivisible read-modify-write operations for semaphores. Each SHARC observes all BR lines to track master changes, ensuring deterministic timing for real-time control loops.

Can the AD14160BB-4 be booted entirely from external memory without EPROM or host processor involvement?

Yes - the AD14160BB-4 supports no-boot mode where SHARC_A begins executing from address 0x00400004 in external memory after reset. The remaining three SHARCs (B, C, D) can be configured for no-boot mode as well, allowing full system startup from external SDRAM or Flash without external boot sources, provided external memory is preloaded and timing parameters are configured in SYSCON and WAIT registers.

What is the function of the CPA pin on the AD14160BB-4, and how does it affect DMA operation?

The CPA (Core Priority Access) pin on the AD14160BB-4 allows a slave SHARC's core processor to immediately seize the external bus from an ongoing DMA transfer when CPA is asserted high. This enables time-critical core-initiated memory accesses - such as interrupt service routine data fetches - to preempt lower-priority DMA activity without software intervention or pipeline stalls, preserving real-time determinism.

Does the AD14160BB-4 support JTAG-based boundary-scan testing, and what IEEE standard does it comply with?

Yes - the AD14160BB-4 fully complies with IEEE Std. 1149.1 (JTAG) for test access port and boundary-scan functionality. Its TCK, TMS, TDI, TDO, and TRST pins enable structural testing of PCB interconnects, verification of CBGA solder joints, and in-system programming of configuration registers without requiring physical probe access to internal nodes.