ADSP-21992BBC - 16-Bit 150MHz Mixed-Signal DSP | Analog Devices
MPN： ADSP-21992BBC ✓ 啟用中ADSP-21992BBC 概覽
A mixed-signal DSP combines a digital signal processing core with control peripherals, analog-interface capability, and embedded communications resources. The ADSP-21992BBC extends the ADSP-2199x family architecture with on-chip program and data memory, a serial port, an SPI-compatible port, a DMA controller, three programmable timers, programmable flag pins, and extensive interrupt capabilities. These resources place the processor within the broader embedded control IC and real-time signal-processing controller hierarchy.
Key features include full CAN 2.0B support with 16 configurable mailboxes and individual acceptance filters, 32K words of program RAM, and 16K words of data RAM. The core is a fixed-point ADSP-2199x architecture, making it suitable for applications that need predictable integer and fixed-point arithmetic rather than a high-power processor core. The ADSP-21992BBC variant supports a maximum peripheral clock of 75 MHz according to the manufacturer datasheet.
The integrated communication and memory resources make the part suitable for automotive and industrial embedded controllers, CAN-connected monitoring equipment, motor and motion-control systems, and communication interfaces where deterministic control and protocol handling are required. The 196-BGA package also requires a fine-pitch PCB layout with careful power, ground, and signal-integrity planning.
Use the manufacturer datasheet pin-description table when assigning PCB tracks and verify the exposed-pad, power-supply, decoupling, and clock-connection requirements for the exact board revision. The 75 MHz peripheral-clock limit for the BBC suffix is important when selecting the input clock and core/peripheral clock ratios.
This page consolidates the manufacturer product information, verified distributor references, drop-in alternatives, and application-specific design guidance to support component selection, PCB planning, and supply-chain qualification.
直接替換替代品，適用於 ADSP-21992BBC — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： ADSP-21992BBC （相同外形與佔位） — 差異在於 CAN Acceptance Filters, DMA Controller, Package, Programmable Timers, SPI-Compatible Port.
ADSP-21992BST
✅ 直接替換📋 參考替代品（不在目錄中）
ADSP-21992YBC
✅ 直接替換聯絡詢價
查看資料表 →ADSP-21992YST
✅ 直接替換📋 參考替代品（不在目錄中）
ADSP-BF548BBCZ-5A
✅ 直接替換📋 參考替代品（不在目錄中）
ADSP-BF537BBCZ-5A
✅ 直接替換📋 參考替代品（不在目錄中）
ADSP-21992BBC 規格
| Processor Type | Fixed-point mixed-signal DSP controller |
| Instruction/Data Width | 16-bit |
| Maximum Core Clock | 150 MHz |
| Maximum Peripheral Clock | 75 MHz |
| Program Memory | 32K words RAM |
| Data Memory | 16K words RAM |
| Communications Port | CAN 2.0B |
| CAN Mailboxes | 16 configurable mailboxes |
| CAN Acceptance Filters | Individual acceptance filters |
| Serial Port | 1 serial port |
| SPI-Compatible Port | SPI-compatible port |
| DMA Controller | Integrated DMA controller |
| Programmable Timers | 3 timers |
| Programmable Flag Pins | General-purpose programmable flag pins |
| Interrupt Capability | Extensive interrupt capabilities |
| 供應電壓 | 2.5 V |
| 封裝 | 196-BGA mini PBGA |
| 安裝類型 | Surface Mount |
| RoHS 狀態 | Compliant |
| REACH Status | Compliant |
ADSP-21992BBC 196-bga mini pbga 腳位配置指南
ADSP-21992BBC（196-bga mini pbga 封裝）的腳位配置。 腳位編號、功能與連接圖定義於製造商資料手冊中。請參閱該手冊以取得確切的封裝尺寸與焊接指引。
無詳細腳位定義資料： ADSP-21992BBC.
請參閱 資料表 以查看完整腳位配置。
典型應用
ADSP-21992BBC 適用於 6 應用s: CAN-Connected Industrial Control, Automotive Embedded Communication Controller, Motion and Motor-Control System, Industrial Monitoring and Diagnostics, SPI-Based Sensor and Peripheral Hub, Real-Time Data Acquisition Controller.
CAN-Connected Industrial Control
The ADSP-21992BBC is well matched to industrial controllers that combine deterministic control logic with CAN traffic. Its 150 MHz fixed-point core can execute real-time control and filtering algorithms, while the integrated CAN 2.0B port, 16 configurable mailboxes, and individual acceptance filters reduce the need for a separate CAN controller. The 32K words of program RAM and 16K words of data RAM provide space for resident control code, diagnostic state, and communication buffers. Place the device in a 196-BGA layout with careful power-plane and decoupling design, and confirm the 75 MHz peripheral-clock limit for this suffix when building the clock tree.
推薦
Automotive Embedded Communication Controller
The ADSP-21992BBC suits automotive subsystems that need local real-time processing alongside a standardized CAN interface. Its dedicated CAN 2.0B hardware provides 16 configurable mailboxes and acceptance filters, allowing identifiers and message queues to be managed without relying entirely on software polling. The 16-bit ADSP-2199x core supports deterministic fixed-point algorithms for sensor conditioning, actuator coordination, and diagnostics. Before production use, verify the exact ordering code's temperature grade and automotive qualification status in the ADSP-21992 datasheet, and use the manufacturer's package data for ball assignment and exposed-pad construction.
推薦
Motion and Motor-Control System
The ADSP-21992BBC can serve as the central controller in a deterministic motion system because it combines a 150 MHz fixed-point DSP core with three programmable timers, programmable flag pins, DMA, and extensive interrupt handling. These resources support sampling, control-loop execution, peripheral data transfer, and event-driven sequencing without requiring a separate timer controller. The 75 MHz peripheral clock for the BBC suffix must be treated as a hard design ceiling. Validate control-loop timing, DMA transactions, and interrupt latency against the clock ratios specified in the manufacturer datasheet.
推薦
Industrial Monitoring and Diagnostics
The ADSP-21992BBC fits monitoring equipment that must acquire measurements, run local algorithms, and report events over CAN. Its 16K words of data RAM can hold sampling buffers and diagnostic state, while DMA moves peripheral data with reduced processor intervention. The 16 CAN mailboxes support organized message handling, and individual acceptance filters reduce the software burden associated with irrelevant identifiers. A 196-BGA implementation requires a multilayer PCB, short escape routes, and a defined power and ground strategy. Use the ADSP-21992 datasheet's clock and electrical-characteristic sections to establish the operating margin for the intended monitoring environment.
推薦
SPI-Based Sensor and Peripheral Hub
The ADSP-21992BBC is useful in embedded hubs that connect slower serial peripherals while performing real-time processing locally. Its SPI-compatible port, serial port, DMA controller, and three timers support efficient peripheral transactions and periodic data acquisition. The processor's 32K words of program RAM allow a self-contained control application to run without external program memory in many designs, subject to the final firmware footprint. Configure DMA for sustained data movement, keep SPI routing short, and follow the manufacturer's decoupling and clock-layout guidance to avoid adding conversion latency to the real-time control loop.
推薦
Real-Time Data Acquisition Controller
The ADSP-21992BBC can act as a dedicated acquisition controller when a system needs local buffering, fixed-point filtering, and synchronized event handling. The 150 MHz core and three programmable timers provide a platform for sampling schedules and deterministic digital filtering, while DMA transfers sample data without requiring repeated CPU intervention. The SPI-compatible port and serial port support connection to converters and external storage. Keep the 75 MHz peripheral-clock ceiling in mind for the BBC variant, and derive clock-dependent timing from the ratios listed in the ADSP-21992 manufacturer datasheet rather than assuming the 150 MHz core rate applies to every peripheral.
推薦
推薦產品摘要
工程參考資料，適用於 ADSP-21992BBC — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | ADSP-21992BST | ADSP-21992YBC | ADSP-21992YST | ADSP-BF548BBCZ-5A | ADSP-BF537BBCZ-5A |
|---|---|---|---|---|---|---|
| Package | 196-BGA mini PBGA | 196-BGA mini PBGA | 196-BGA mini PBGA | 196-BGA mini PBGA | 196-BGA mini PBGA | 196-BGA mini PBGA |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Processor Architecture | ADSP-2199x fixed-point mixed-signal DSP | ADSP-2199x fixed-point mixed-signal DSP | ADSP-2199x fixed-point mixed-signal DSP | ADSP-2199x fixed-point mixed-signal DSP | Blackfin processor | Blackfin processor |
| Software and Peripheral Compatibility | ADSP-2199x mixed-signal DSP control environment | Same family; validate ordering conditions | Same family; validate ordering conditions | Same family; validate clock and ordering conditions | Blackfin software and peripheral differences | Blackfin software and peripheral differences |
主要差異化特點
- Dedicated CAN 2.0B integration (對比ADSP-BF537BBCZ-5A)
- Matched 75 MHz peripheral-clock capability within the ADSP-21992 family (對比ADSP-21992YST)
- Higher family peripheral-clock ceiling than the BBC variant (對比ADSP-21992BST)
- Purpose-built ADSP-2199x control peripheral set (對比ADSP-BF548BBCZ-5A)
設計說明
The 196-BGA mini PBGA requires fine-pitch escape routing and a multilayer PCB strategy with continuous power and ground planes. Assign every signal and supply ball from the ADSP-21992 datasheet pin-description table, and follow the manufacturer's package drawing for exposed-pad and thermal-via requirements. Keep high-speed clock and serial traces short, avoid routing them over split power planes, and place decoupling capacitors close to their associated supply balls.
Use the manufacturer's recommended supply topology and decoupling arrangement for the 2.5 V device. The embedded processor, DMA engine, and CAN port can create activity-dependent current changes, so a supply path designed only for average current may produce local voltage disturbance. Validate startup sequencing, maximum operating frequency, peripheral loading, and the 75 MHz peripheral-clock limit for the ADSP-21992BBC before finalizing power capacity and timing margins.
Derive all clock ratios and peripheral timing from the ADSP-21992 datasheet rather than from the 150 MHz core rating. The BBC variant has a 75 MHz maximum peripheral clock, while the BST and YST family variants have different ceilings. When using any family variant as a substitution, re-run the timing budget, confirm external clock amplitude and frequency assumptions, and verify that serial-port and SPI interface timing still meet the system requirement.
Do not treat a similar BGA designation as proof of pin compatibility. The ADSP-BF548BBCZ-5A and ADSP-BF537BBCZ-5A are different processor families, so board signals, power rails, clock sources, memory maps, and peripheral assignments can differ. Use the ADSP-21992 variants as the first substitution path, and require a complete pin, clock, electrical, and firmware review before approving a Blackfin-based replacement.
合規資訊
RoHS and REACH compliance are indicated by comparison references for ADSP-21992BBC. The exact ordering code's automotive qualification, lead-free status, halogen-free status, and conflict-minerals declaration should be confirmed through the manufacturer's product documentation.
