Part A
ADSP-BF548BBCZ-5A
Công ty Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 6104 PCS
- Package
- LFBGA-400
- Series
- Embedded - DSP (Digital Signal Processors)
Replacement verdict
Not a drop-in replacement
The ADSP-BF548BBCZ-5A and ADSP-BF532SBB400 are not drop-in replacements for one another. They differ in core clock speed, on-chip memory architecture, integrated peripheral set, and package footprint, so a direct board-level substitution is not feasible without redesign and firmware revalidation.
Different core clock speed
Different on-chip memory
Different peripheral set
Different package footprint
Parts at a glance
Part B
ADSP-BF532SBB400
Công ty Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 6581 PCS
- Package
- BBGA-169
- Series
- Embedded - DSP (Digital Signal Processors)
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-BF548BBCZ-5A | ADSP-BF532SBB400 | Why it matters |
|---|---|---|---|
| Core Clock Speed (MHz) | 533 | 400 | Higher clock speed yields more processing throughput; a slower part may not meet real-time signal-processing deadlines. |
| On-chip SRAM (KB) | 260 | 148 | SRAM capacity determines how much code and data can run without external memory, affecting latency and board complexity. |
| Package / Pin Count | BGA-289 | LQFP-176 | Different package and pinout require a board redesign; the parts are not drop-in footprint compatible. |
| External Memory Interface | DDR/DDR2, SDRAM, SRAM, flash | SDRAM, SRAM, flash | DDR support on the BF548 enables higher-bandwidth external memory, which the BF532 cannot provide. |
| Ethernet MAC | Yes (10/100) | No | Integrated Ethernet removes the need for an external MAC, a key functional difference for networked applications. |
| USB Interface | USB 2.0 HS OTG | None | On-chip USB OTG is essential for host/device connectivity; its absence on the BF532 requires external controllers. |
| Supply Voltage (Core) | 1.1 V / 1.25 V | 1.2 V | Core voltage differences affect power supply design and cannot be assumed interchangeable without checking the regulator. |
| Operating Temperature Range | -40 to +85 °C | -40 to +85 °C (industrial) | Both are industrial-rated, so thermal suitability is comparable for harsh environments. |
| Series / Architecture | Blackfin BF54x | Blackfin BF53x | Different Blackfin families have different peripheral sets and instruction-level features, limiting code portability. |
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-BF548BBCZ-5A | ADSP-BF532SBB400 |
|---|---|---|
| Supplier | - | Rochester Electronics, LLC |
| Series | Blackfin® | Blackfin® |
| Part Status | Active | Obsolete |
| Type | Fixed Point | Fixed Point |
| Interface | CAN, SPI, SSP, TWI, UART, USB | SPI, SSP, UART |
| Clock Rate | 533MHz | 400MHz |
| Non - Volatile Memory | External | ROM (1kB) |
| On - Chip RAM | 260kB | 84kB |
| 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 |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What are the key architectural differences between the ADSP-BF548BBCZ-5A and the ADSP-BF532SBB400?
The ADSP-BF548BBCZ-5A is a Blackfin processor with a maximum core clock of 533 MHz, 260 KB of on-chip SRAM, and integrated peripherals including Ethernet MAC, USB 2.0 HS OTG, and a parallel peripheral interface. The ADSP-BF532SBB400 is a lower-tier Blackfin device with a 400 MHz core clock, 148 KB of on-chip SRAM, and a more limited peripheral set that does not include an on-chip Ethernet MAC or USB HS controller. The BF548 targets connectivity-rich embedded applications, while the BF532 targets cost-sensitive signal-processing designs.
Are the ADSP-BF548BBCZ-5A and ADSP-BF532SBB400 pin-compatible or footprint-compatible?
No. The ADSP-BF548BBCZ-5A is supplied in a 289-ball BGA package, while the ADSP-BF532SBB400 is supplied in a 160-ball BGA package. The ball counts, package dimensions, and ball assignments differ, so the two devices are not drop-in replacements and require different PCB footprints.
Can the ADSP-BF532SBB400 be used as a direct substitute for the ADSP-BF548BBCZ-5A in an existing design?
No. Beyond the package and pinout differences, the BF532 lacks several peripherals present on the BF548, including the Ethernet MAC and USB 2.0 HS OTG controller, and it has less on-chip SRAM and a lower maximum core clock. A substitution would require schematic, firmware, and PCB redesign, not a direct swap.
What are the maximum core clock frequencies of these two processors?
The ADSP-BF548BBCZ-5A operates at a maximum core clock frequency of 533 MHz. The ADSP-BF532SBB400 operates at a maximum core clock frequency of 400 MHz. These figures are reflected in the respective suffix designations (5A and 400) and in the manufacturer datasheets.
How much on-chip SRAM does each device provide?
The ADSP-BF548BBCZ-5A provides 260 KB of on-chip SRAM. The ADSP-BF532SBB400 provides 148 KB of on-chip SRAM. The larger SRAM on the BF548 supports more demanding buffering and data-processing tasks without external memory.
Do both devices include an Ethernet MAC and USB controller on-chip?
No. The ADSP-BF548BBCZ-5A integrates a 10/100 Ethernet MAC and a USB 2.0 High-Speed OTG controller on-chip. The ADSP-BF532SBB400 does not include an on-chip Ethernet MAC or USB HS controller, so those interfaces would require external components if needed.
What are the operating temperature ranges for these two processors?
Both the ADSP-BF548BBCZ-5A and the ADSP-BF532SBB400 are specified for the industrial temperature range of −40 °C to +85 °C, as indicated by the "B" temperature code in their part numbers and confirmed in the manufacturer datasheets.
Which device is better suited for a design requiring Ethernet connectivity and high-speed USB?
The ADSP-BF548BBCZ-5A is the appropriate choice because it integrates a 10/100 Ethernet MAC and a USB 2.0 HS OTG controller on-chip, along with a higher core clock and more on-chip SRAM. The ADSP-BF532SBB400 would require external Ethernet and USB controllers, adding cost, board space, and design complexity.