Part A
ADSP-BF547BBCZ-5A
Компания Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 6462 ПКС
- Series
- Встроенные - DSP (цифровые процессоры сигнала)
Replacement verdict
Not a drop-in replacement
The ADSP-BF547BBCZ-5A and ADSP-BF561SBB600 are both Blackfin digital signal processors, but they belong to different Blackfin families with distinct core architectures, memory maps, peripheral sets, and package footprints. The ADSP-BF547BBCZ-5A is a single-core BF54x device with an integrated 600 MHz-class core, larger on-chip L1/L2 memory, and a rich set of connectivity peripherals, while the ADSP-BF561SBB600 is a dual-core BF561 device with two 600 MHz cores and a different memory and peripheral topology. Because the core count, memory organization, pinout, and peripheral interfaces differ substantially, the two parts are not functionally interchangeable on an existing PCB without redesign and firmware rework.
Different core architecture
Different memory organization
Different package footprint
Different peripheral set
Parts at a glance
Part B
ADSP-BF561SBB600
Компания Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 6857 ПКС
- Package
- BGA-297
- Series
- Встроенные - DSP (цифровые процессоры сигнала)
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | ADSP-BF547BBCZ-5A | ADSP-BF561SBB600 | Why it matters |
|---|---|---|---|
| Core / Architecture | Single Blackfin core (BF54x) | Dual Blackfin cores (BF561) | A dual-core device can execute two instruction streams in parallel, offering higher aggregate throughput for symmetric workloads, while a single-core device simplifies programming and resource sharing. |
| Maximum Core Clock | 500 MHz | 600 MHz | Core clock directly scales instruction throughput; a higher clock supports more demanding real-time signal processing within the same cycle budget. |
| Instruction Rate (MMACs) | 1000 MMACs | 1200 MMACs per core (2400 total) | MAC throughput determines how much filtering, FFT, and codec work can be done per second; the dual-core part offers substantially more aggregate DSP capacity. |
| On-chip L1 SRAM | Up to 148 KB (L1 + L2 scratchpad) | 328 KB total (two cores) | On-chip memory size and partitioning affect deterministic latency and whether critical buffers/code fit without external memory access. |
| Package | 289-ball CSP-BGA | 297-ball PBGA | Package footprint and ballout determine PCB layout compatibility; different packages are not drop-in interchangeable and require board redesign. |
| External Memory Interface | DDR/DDR2, mobile DDR, NAND/NOR flash, SRAM | SDRAM, asynchronous SRAM, flash | Supported memory types constrain achievable bandwidth and BOM choices; DDR2 support on one part enables higher memory throughput than SDR-only interfaces. |
| Integrated Peripherals | USB 2.0 HS OTG, Ethernet MAC, LCD controller, SD/SDIO, CAN, ATAPI | PPI, SPI, SPORT, UART, TWI, timers (no integrated USB/Ethernet MAC) | Integrated connectivity reduces external component count and board area; the BF547 targets connected multimedia designs while the BF561 targets pure dual-core DSP processing. |
| Core Voltage (VDD) | 0.8 V to 1.2 V (scalable) | 0.8 V to 1.2 V (scalable) | Core voltage range governs power/performance scaling; both parts support dynamic voltage scaling, so this parameter is functionally equivalent. |
| Operating Temperature Range | -40 °C to +85 °C (industrial) | -40 °C to +85 °C (industrial) | Temperature rating determines suitability for industrial and outdoor environments; identical ratings mean neither part has an environmental advantage. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | ADSP-BF547BBCZ-5A | ADSP-BF561SBB600 |
|---|---|---|
| Supplier | - | Rochester Electronics, LLC,Analog Devices Inc. |
| Series | Blackfin® | Blackfin® |
| Part Status | Active | Obsolete |
| Type | Fixed Point | Fixed Point |
| Interface | SPI, SSP, TWI, UART, USB | SPI, SSP, UART |
| Clock Rate | 533MHz | 600MHz |
| Non - Volatile Memory | External | External |
| On - Chip RAM | 260kB | 328kB |
| Voltage - I / O | 2.50V, 3.30V | 2.50V, 3.30V |
| Voltage - Core | 1.25V | 1.35V |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Base Product Number | ADSP-BF547 | - |
| Packaging | Tray | - |
Frequently asked questions
What are the key architectural differences between the ADSP-BF547BBCZ-5A and the ADSP-BF561SBB600?
The ADSP-BF547BBCZ-5A is a single-core Blackfin processor with a core clock of up to 500 MHz, while the ADSP-BF561SBB600 is a dual-core Blackfin processor with two cores each operating at up to 600 MHz. The BF561 integrates two symmetric Blackfin cores with shared memory and dedicated DMA resources, whereas the BF547 is a single-core device with a different peripheral set and memory map.
Are the ADSP-BF547BBCZ-5A and ADSP-BF561SBB600 pin-compatible or package-compatible?
No. The ADSP-BF547BBCZ-5A is supplied in a 289-ball BGA package, while the ADSP-BF561SBB600 is supplied in a 297-ball BGA package. The ball counts, ball maps, and package dimensions differ, so they are not drop-in replacements and require different PCB footprints.
What are the core clock and performance specifications of each device?
The ADSP-BF547BBCZ-5A operates at a core clock frequency of up to 500 MHz. The ADSP-BF561SBB600 operates at a core clock frequency of up to 600 MHz per core. Both are Blackfin fixed-point DSPs with integrated microcontroller-style peripherals, but the BF561 provides dual-core processing capability.
Do these processors support the same external memory interfaces?
Both devices include an external bus interface unit (EBIU) supporting SDRAM and asynchronous memory. However, the exact supported memory widths, bank configurations, and timing parameters differ between the ADSP-BF547BBCZ-5A and the ADSP-BF561SBB600, so designs must be validated against the respective datasheets rather than assuming interchangeability.
Can the ADSP-BF547BBCZ-5A be substituted for the ADSP-BF561SBB600 in an existing design?
No direct substitution is possible. The two parts differ in core count, package ball count and ball map, peripheral set, and memory architecture. Any replacement would require a full schematic and PCB redesign plus firmware porting, validated against the manufacturer datasheets for both devices.
What are the typical target applications for each processor?
The ADSP-BF547BBCZ-5A is typically used in single-core embedded signal processing and control applications requiring integrated peripherals such as Ethernet, USB, and serial interfaces. The ADSP-BF561SBB600 is typically used in dual-core processing applications such as industrial imaging, video processing, and multi-channel signal processing where two Blackfin cores are beneficial.
Do both devices share the same development toolchain and software support?
Both are Blackfin-family processors supported by Analog Devices' CrossCore Embedded Studio and the Blackfin toolchain. However, because the ADSP-BF561SBB600 is a dual-core device, software development must account for inter-core communication and shared resource management, which is not required for the single-core ADSP-BF547BBCZ-5A.