Overview
The ADSP-2191MBSTZ-140 is a 16-bit fixed-point digital signal processor (DSP) developed by Analog Devices Inc. This processor is part of the ADSP-21xx family and is known for its high performance and ease of use, particularly in digital signal processing and other high-speed numeric applications. It is software compatible with the ADSP-218x family, making it a versatile choice for various applications. The ADSP-2191M DSP is optimized for telecommunications systems and other demanding applications, offering a robust set of features and interfaces.
Key Specifications
| Specification | Value |
|---|---|
| Part Status | Active |
| Type | Fixed Point |
| Interface | Host Interface, SPI, SSP, UART |
| Clock Rate | 140 MHz |
| Non-Volatile Memory | External |
| On-Chip RAM | 160 kB (32K words 24-bit + 32K words 16-bit) |
| Voltage - I/O | 3.00 V, 3.30 V |
| Voltage - Core | 2.50 V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 144-LQFP (20x20) |
Key Features
- High Performance: 160 MIPS processing capability with a 140 MHz clock rate.
- Memory: 160 kB of on-chip RAM, configured as 32K words of 24-bit memory and 32K words of 16-bit memory.
- Interfaces: Host port with DMA capability, 16-bit external memory interface, three full-duplex multichannel serial ports, two SPI-compatible ports, and a UART port.
- Timers and DMA: Three programmable interval timers and up to 11 DMA channels for high I/O throughput.
- Interrupt and I/O: Enhanced interrupt controller and 16 general-purpose I/O pins with integrated interrupt support.
- Boot and PLL: On-chip boot ROM for automatic booting from external devices and a programmable PLL supporting 1 to 32 times input frequency.
Applications
The ADSP-2191MBSTZ-140 is optimized for various high-speed numeric processing applications, particularly in telecommunications systems. It is suitable for use in:
- Telecommunications equipment
- Audio and video processing systems
- Industrial control systems
- Medical imaging and diagnostics
- Other high-performance DSP applications
Q & A
- What is the clock rate of the ADSP-2191MBSTZ-140?
The clock rate of the ADSP-2191MBSTZ-140 is 140 MHz. - How much on-chip RAM does the ADSP-2191MBSTZ-140 have?
The ADSP-2191MBSTZ-140 has 160 kB of on-chip RAM. - What types of interfaces does the ADSP-2191MBSTZ-140 support?
The ADSP-2191MBSTZ-140 supports host interface, SPI, SSP, UART, and external memory interfaces. - What is the operating temperature range of the ADSP-2191MBSTZ-140?
The operating temperature range is -40°C to 85°C. - What is the package type of the ADSP-2191MBSTZ-140?
The package type is 144-LQFP (20x20). - Does the ADSP-2191MBSTZ-140 support DMA?
Yes, it supports up to 11 DMA channels. - How many general-purpose I/O pins does the ADSP-2191MBSTZ-140 have?
The ADSP-2191MBSTZ-140 has 16 general-purpose I/O pins. - Is the ADSP-2191MBSTZ-140 software compatible with other DSPs?
Yes, it is software compatible with the ADSP-218x family. - What is the voltage range for the core and I/O of the ADSP-2191MBSTZ-140?
The core voltage is 2.50 V, and the I/O voltage is 3.00 V to 3.30 V. - Does the ADSP-2191MBSTZ-140 have on-chip boot ROM?
Yes, it has on-chip boot ROM for automatic booting from external devices.
