Part A
ADSP-BF547BBCZ-5A
Analog Equipment GmbH.
- Lifecycle
- Active
- Stock
- 6462 PCS
- Series
- Embarqué - DSP (processeur de signal numérique)
Replacement verdict
Not a drop-in replacement
The ADSP-BF547BBCZ-5A and ADSP-BF533SBBC500 are both Blackfin digital signal processors, but they differ in core clock speed, on-chip memory architecture, integrated peripherals, and package/pin configuration. These differences prevent direct board-level substitution without redesign and firmware revalidation.
Different core clock speed
Different on-chip memory
Different peripheral set
Different package and pinout
Parts at a glance
Part B
ADSP-BF533SBBC500
Analog Equipment GmbH.
- Lifecycle
- Active
- Stock
- 7216 PCS
- Package
- LFBGA-160
- Series
- Embarqué - DSP (processeur de signal numérique)
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-BF533SBBC500 | Why it matters |
|---|---|---|---|
| Core Clock Speed (Max) | 500 MHz | 500 MHz | Determines maximum instruction throughput; both run at the same core frequency, so raw processing speed is comparable. |
| On-Chip SRAM | 132 KB (L1 + L2) | 148 KB (L1 + L2) | Affects how much code and data can be held on-chip without external memory; the BF533 offers slightly more internal SRAM. |
| External Memory Interface | DDR/DDR2, SDRAM, SRAM, Flash (EBIU) | SDRAM, SRAM, Flash (EBIU) | The BF547 supports higher-bandwidth DDR/DDR2 memory, enabling larger buffers and faster external data movement than the BF533's SDRAM-only interface. |
| Package | 169-ball BGA (CSP_BGA) | 160-ball BGA (CSP_BGA) | Different ball counts and footprints mean the two parts are not drop-in PCB-compatible; a board redesign is required to substitute one for the other. |
| Peripheral Set (PPI / SPI / SPORT / UART / TWI) | PPI, 3x SPI, 2x SPORT, 2x UART, 2x TWI, CAN, USB, SDIO, ATAPI, Timers, RTC, Watchdog | PPI, 2x SPI, 2x SPORT, 2x UART, 2x TWI, Timers, RTC, Watchdog | The BF547 integrates additional connectivity (CAN, USB, SDIO, ATAPI) that the BF533 lacks, affecting system-level feature support and external component count. |
| Operating Temperature Range | -40°C to +85°C (industrial) | -40°C to +85°C (industrial) | Both are rated for industrial temperature operation, so environmental robustness is equivalent for harsh deployments. |
| Core Supply Voltage (VDDINT) | 0.8 V to 1.2 V (internal regulator) | 0.7 V to 1.2 V (internal regulator) | Core voltage ranges affect power consumption and thermal design; slight differences influence the power supply and decoupling requirements. |
| Instruction/Data Cache | 16 KB L1 instruction + 32 KB L1 data + 64 KB L2 SRAM | 16 KB L1 instruction + 32 KB L1 data + 64 KB L2 SRAM | Cache and L2 configuration directly impact real-time performance and deterministic execution; identical cache architecture aids software portability. |
| DMA Channels | Multiple DMA controllers (peripheral and memory DMA) | Multiple DMA controllers (peripheral and memory DMA) | DMA capability offloads data movement from the core; both provide comparable DMA support for streaming and peripheral transfers. |
Need help validating a replacement?
Send your BOM and application constraints for technical and sourcing review.
Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | ADSP-BF547BBCZ-5A | ADSP-BF533SBBC500 |
|---|---|---|
| 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 | 500MHz |
| Non - Volatile Memory | External | ROM (1kB) |
| On - Chip RAM | 260kB | 148kB |
| Voltage - I / O | 2.50V, 3.30V | 3.30V |
| Voltage - Core | 1.25V | 1.20V |
| 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-BF533SBBC500?
The ADSP-BF547BBCZ-5A is a Blackfin processor with a 500 MHz core clock, 260 KB of on-chip SRAM, and integrated peripherals including a USB 2.0 HS OTG controller, an ATAPI controller, and a 10/100 Ethernet MAC. The ADSP-BF533SBBC500 is a 500 MHz Blackfin processor with 148 KB of on-chip SRAM and a more limited peripheral set that does not include USB OTG, Ethernet MAC, or ATAPI. The BF547 targets connectivity-rich embedded applications, while the BF533 targets cost-sensitive signal-processing designs.
Are the ADSP-BF547BBCZ-5A and ADSP-BF533SBBC500 pin-compatible?
No. The ADSP-BF547BBCZ-5A is supplied in a 169-ball BGA package, while the ADSP-BF533SBBC500 is supplied in a 160-ball BGA package. The ball counts, ball maps, and package dimensions differ, so the two devices are not drop-in replacements and require different PCB footprints.
Do both processors operate at the same core clock frequency?
Yes. Both the ADSP-BF547BBCZ-5A and the ADSP-BF533SBBC500 are specified for a 500 MHz core clock (CCLK), as indicated by the "5A" and "500" speed-grade suffixes in their respective part numbers.
How do the on-chip memory resources compare between the two parts?
The ADSP-BF547BBCZ-5A provides 260 KB of on-chip SRAM, while the ADSP-BF533SBBC500 provides 148 KB of on-chip SRAM. Designs requiring larger internal buffers or code storage should account for this difference when considering either device.
Which integrated peripherals distinguish the ADSP-BF547BBCZ-5A from the ADSP-BF533SBBC500?
The ADSP-BF547BBCZ-5A integrates a USB 2.0 High-Speed OTG controller, a 10/100 Ethernet MAC, an ATAPI controller, and a NAND flash controller, in addition to standard Blackfin peripherals such as SPORTs, SPI, UARTs, timers, and a parallel peripheral interface. The ADSP-BF533SBBC500 provides SPORTs, SPI, UARTs, timers, and a parallel peripheral interface but does not include the USB OTG, Ethernet MAC, ATAPI, or NAND flash controllers.
Can the ADSP-BF533SBBC500 be used as a direct substitute for the ADSP-BF547BBCZ-5A in an existing design?
No. Beyond the package and pin-map differences, the ADSP-BF533SBBC500 lacks the USB OTG, Ethernet MAC, ATAPI, and NAND flash controllers present on the ADSP-BF547BBCZ-5A, and it has less on-chip SRAM. A direct substitution would require redesign of the PCB footprint and revalidation of any design features that depend on the BF547-specific peripherals.
Are both devices part of the Analog Devices Blackfin family and supported by the same development tools?
Yes. Both the ADSP-BF547BBCZ-5A and the ADSP-BF533SBBC500 are Analog Devices Blackfin processors and are supported by the Blackfin toolchain, including CrossCore Embedded Studio and the VisualDSP++ development environment, subject to the specific silicon revision and toolchain version support documented by Analog Devices.