Overview
The AD21489WBCPZ202 is a high-performance digital signal processor (DSP) from Analog Devices, part of the ADSP-2148x family. This processor is optimized for high-performance audio processing and other demanding signal processing applications. It features a 32-bit/40-bit floating-point architecture and supports single-instruction, multiple-data (SIMD) computations, making it highly efficient for complex signal processing tasks.
Key Specifications
| Specification | Value |
|---|---|
| Core Operating Frequency | Up to 450 MHz |
| Core Operating Voltage | 1.2 V to 1.3 V |
| On-chip RAM | 5 Mbits |
| On-chip ROM | 4 Mbits |
| Package Types | 176-Lead LQFP_EP, 100-Lead LQFP_EP, 88-Lead LFCSP_VQ |
| External Memory Interface | SDRAM, AMI (16-bit) |
| Serial Ports | 8 |
| Direct DMA from SPORTs to External Port | Yes |
| FIR, IIR, FFT Accelerator | Yes |
| Watchdog Timer | Yes (176-Lead Package Only) |
Key Features
- High-performance 32-bit/40-bit floating-point processor optimized for high-performance audio processing.
- Single-instruction, multiple-data (SIMD) computational architecture.
- On-chip memory: 5 Mbits RAM and 4 Mbits ROM.
- External port with AMI and SDRAM controller.
- Peripheral and external port buses for core connection.
- Four units for PWM control.
- Memory-to-memory (MTM) unit for internal-to-internal memory transfers.
- JTAG test access port for emulation and boundary scan.
- Support for UART, SPI, TWI, and S/PDIF transceiver.
Applications
The AD21489WBCPZ202 is suitable for a variety of applications that require high-performance signal processing, including:
- Professional audio equipment.
- Medical imaging and diagnostics.
- Aerospace and defense systems.
- Automotive systems, particularly those requiring advanced audio and signal processing.
- Industrial control and automation systems.
Q & A
- What is the core operating frequency of the AD21489WBCPZ202?
The core operating frequency is up to 450 MHz. - How much on-chip RAM and ROM does the AD21489WBCPZ202 have?
The processor has 5 Mbits of on-chip RAM and 4 Mbits of on-chip ROM. - What types of packages are available for the AD21489WBCPZ202?
The processor is available in 176-Lead LQFP_EP, 100-Lead LQFP_EP, and 88-Lead LFCSP_VQ packages. - Does the AD21489WBCPZ202 support external memory interfaces?
Yes, it supports SDRAM and AMI (16-bit) external memory interfaces. - What is the purpose of the SIMD architecture in the AD21489WBCPZ202?
The SIMD architecture allows for single-instruction, multiple-data computations, enhancing the processor's efficiency in handling complex signal processing tasks. - Does the AD21489WBCPZ202 have a watchdog timer?
Yes, a watchdog timer is available, but only in the 176-Lead package. - What serial interfaces are supported by the AD21489WBCPZ202?
The processor supports UART, SPI, TWI, and S/PDIF transceiver interfaces. - Can the AD21489WBCPZ202 perform direct DMA from SPORTs to external port?
Yes, it can perform direct DMA from SPORTs to external port. - What accelerators are included in the AD21489WBCPZ202?
The processor includes FIR, IIR, and FFT accelerators. - What is the purpose of the JTAG test access port in the AD21489WBCPZ202?
The JTAG test access port is used for emulation and boundary scan, allowing for software debug through user breakpoints.
