Part A
ADSP-BF547BBCZ-5A
テキサス・インスツルメンツ
- Lifecycle
- Active
- Stock
- 6462 個数
- Series
- 組み込み - DSP（デジタル信号プロセッサ）
Replacement verdict
Not a drop-in replacement
The ADSP-BF547BBCZ-5A and ADSP-BF536BBC-3A are not drop-in replacements for one another. They differ in core performance class, on-chip memory architecture, integrated peripheral set, and package footprint, so substituting one for the other requires full hardware and firmware revalidation rather than a direct swap.
Different core performance class
Different memory architecture
Different peripheral integration
Different package footprint
Parts at a glance
Part B
ADSP-BF536BBC-3A
テキサス・インスツルメンツ
- Lifecycle
- Active
- Stock
- 4876 個数
- Package
- LFBGA-182
- Series
- 組み込み - DSP（デジタル信号プロセッサ）
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-BF536BBC-3A | Why it matters |
|---|---|---|---|
| Core Clock Speed (Max) | 500 MHz | 300 MHz | Higher clock speed yields more processing throughput; a slower part may not meet real-time signal processing deadlines. |
| On-Chip SRAM | 260 KB | 132 KB | SRAM capacity determines how much data and code can be held on-chip without external memory, affecting latency and board complexity. |
| Package / Pin Count | BGA-400 (17x17 mm) | BGA-208 (17x17 mm) | Different package and pin count means the parts are not footprint-compatible and require different PCB layouts. |
| External Memory Interface | Yes (EBIU with SDRAM/DDR support) | No external bus interface | Presence of an external memory bus allows expansion to SDRAM/flash; its absence limits memory expansion options. |
| Ethernet MAC | 10/100 Ethernet MAC included | Not included | Integrated Ethernet MAC enables networked applications without an external controller; missing it changes system architecture. |
| USB Interface | USB 2.0 HS OTG (with PHY) | Not included | On-chip USB with PHY supports direct host/device connectivity; its absence requires external USB support. |
| PPI (Parallel Peripheral Interface) | Yes | Yes | PPI supports high-speed parallel data (video, ADC); both include it, so this function is preserved. |
| Operating Temperature Range | -40°C to +85°C (industrial) | -40°C to +85°C (industrial) | Matching temperature ratings ensure both parts suit the same environmental conditions. |
| Supply Voltage (Core) | 1.0 V to 1.5 V (VDDINT) | 0.8 V to 1.2 V (VDDINT) | Different core supply ranges affect power design and regulator selection; they are not directly interchangeable. |
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-BF536BBC-3A |
|---|---|---|
| Supplier | - | Analog Devices Inc.,Rochester Electronics, LLC |
| Series | Blackfin® | Blackfin® |
| Part Status | Active | Obsolete |
| Type | Fixed Point | Fixed Point |
| Interface | SPI, SSP, TWI, UART, USB | CAN, SPI, SSP, TWI, UART |
| Clock Rate | 533MHz | 300MHz |
| Non - Volatile Memory | External | External |
| On - Chip RAM | 260kB | 100kB |
| Voltage - I / O | 2.50V, 3.30V | 2.50V, 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-BF536BBC-3A?
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-BF536BBC-3A is a lower-power Blackfin with a 300 MHz core clock, 132 KB of on-chip SRAM, and a smaller peripheral set that includes a 10/100 Ethernet MAC but lacks the USB HS OTG and ATAPI controllers found on the BF547.
Are the ADSP-BF547BBCZ-5A and ADSP-BF536BBC-3A pin-compatible or package-compatible?
No. The ADSP-BF547BBCZ-5A is supplied in a 169-ball BGA package (12 mm × 12 mm), while the ADSP-BF536BBC-3A is supplied in a 182-ball BGA package (12 mm × 12 mm). The ball counts and ball assignments differ, so the two devices are not drop-in replacements and require different PCB footprints.
Can the ADSP-BF536BBC-3A be used as a direct substitute for the ADSP-BF547BBCZ-5A in an existing design?
No. Beyond the package and pinout differences, the BF536 has a slower 300 MHz core, less on-chip SRAM (132 KB vs. 260 KB), and lacks the USB 2.0 HS OTG and ATAPI controllers present on the BF547. A direct substitution would require redesign of the PCB, revalidation of timing and peripheral requirements, and confirmation that the reduced memory and peripheral set meet the application needs.
How do the core clock speeds and processing performance of these two Blackfin processors compare?
The ADSP-BF547BBCZ-5A operates at a 500 MHz core clock (part of the 5xx MHz speed grade), while the ADSP-BF536BBC-3A operates at a 300 MHz core clock (3xx MHz speed grade). The higher clock rate of the BF547 provides greater instruction throughput for compute-intensive signal-processing tasks, whereas the BF536 targets lower-power, lower-throughput applications.
What are the on-chip memory differences between the ADSP-BF547BBCZ-5A and ADSP-BF536BBC-3A?
The ADSP-BF547BBCZ-5A integrates 260 KB of on-chip SRAM (configured as L1 instruction and data memory plus L2 scratchpad), while the ADSP-BF536BBC-3A integrates 132 KB of on-chip SRAM. The larger on-chip memory of the BF547 supports more demanding buffering and code storage without external memory.
Which connectivity peripherals distinguish the ADSP-BF547BBCZ-5A from the ADSP-BF536BBC-3A?
The ADSP-BF547BBCZ-5A includes a USB 2.0 High-Speed OTG controller, an ATAPI controller, and a 10/100 Ethernet MAC, in addition to serial ports, SPI, and TWI. The ADSP-BF536BBC-3A includes a 10/100 Ethernet MAC, serial ports, SPI, and TWI, but does not integrate the USB HS OTG or ATAPI controllers. Designs requiring USB HS or ATAPI connectivity must use the BF547 or add external controllers.
How do the power consumption profiles of the ADSP-BF547BBCZ-5A and ADSP-BF536BBC-3A compare?
The ADSP-BF536BBC-3A is positioned in the lower-power Blackfin family and, with its 300 MHz core and reduced peripheral set, typically exhibits lower active and standby power than the ADSP-BF547BBCZ-5A, which runs at 500 MHz and integrates additional high-speed peripherals. Exact power figures depend on the core voltage, operating mode, and peripheral usage, and should be taken from the respective manufacturer datasheets rather than assumed.
What are the typical application targets for each of these Blackfin processors?
The ADSP-BF547BBCZ-5A is suited to applications requiring higher processing throughput and integrated USB HS OTG and ATAPI connectivity, such as multimedia, industrial imaging, and portable instrumentation with mass-storage interfaces. The ADSP-BF536BBC-3A targets cost- and power-sensitive embedded applications needing Ethernet connectivity and moderate signal-processing performance, such as industrial control, networked sensors, and audio processing.