Overview
The ADSP-2184BSTZ-160, produced by Analog Devices Inc., is a member of the ADSP-218x family of digital signal processors (DSPs). This device is optimized for digital signal processing and other high-speed numeric processing applications. It is the lowest cost, pin-compatible device in the ADSP-218x family, making it an attractive option for systems that require cost-effectiveness without compromising on performance. The ADSP-2184 is code-compatible with the ADSP-2100 family, ensuring ease of integration and code reuse.
Key Specifications
| Specification | Details |
|---|---|
| Instruction Cycle Time | 25 ns (40 MIPS) |
| On-Chip Program RAM | 4K words |
| On-Chip Data Memory RAM | 4K words |
| Internal DMA Port | 16-bit for high-speed access to on-chip memory |
| Byte DMA Port | 8-bit for transparent program and data memory transfers |
| Package Type | 100-lead LQFP (14mm x 14mm) |
| Power Consumption | 1.4 mA/MIPS |
| Power-Down Modes | 5 sleep and power-down modes |
| Serial Ports | 2 double-buffered serial ports with companding hardware |
| Interrupts | 6 external interrupts, 13 programmable flag pins |
Key Features
- Algebraic Assembly Language: Supports C language-style constructs for easy programming.
- High-Speed Processing: 40 MIPS performance with a 25 ns instruction cycle time.
- Memory and DMA: Includes 4K words of on-chip program RAM, 4K words of on-chip data memory RAM, and multiple DMA ports for efficient memory access.
- Serial Communication: Features two double-buffered serial ports with companding hardware and automatic data buffering.
- Low Power Modes: Offers 5 sleep and power-down modes to maximize battery life.
- Programmable Timer and Flags: Includes a programmable 16-bit interval timer and 13 programmable flag pins for flexible system signaling.
- System Interface: Supports “glueless” system design with programmable memory strobe and separate I/O memory space.
Applications
The ADSP-2184BSTZ-160 is suitable for a variety of applications that require high-speed numeric processing and digital signal processing. These include:
- Audio Processing: Utilizes the serial ports and companding hardware for audio compression and decompression.
- Industrial Control Systems: Leverages the device's high-speed processing and DMA capabilities for real-time control and data acquisition.
- Medical Devices: Applies the device's low power modes and high-performance capabilities in medical diagnostic and monitoring equipment.
- Communication Systems: Uses the serial ports and interrupt capabilities for data transmission and reception in communication systems.
Q & A
- What is the instruction cycle time of the ADSP-2184BSTZ-160?
The instruction cycle time is 25 ns, which corresponds to a performance of 40 MIPS. - How much on-chip RAM does the ADSP-2184BSTZ-160 have?
The device has 4K words of on-chip program RAM and 4K words of on-chip data memory RAM. - What type of package does the ADSP-2184BSTZ-160 come in?
The device is packaged in a 100-lead LQFP (14mm x 14mm). - Does the ADSP-2184BSTZ-160 support low power modes?
Yes, it offers 5 sleep and power-down modes to maximize battery life. - How many serial ports does the ADSP-2184BSTZ-160 have?
The device features two double-buffered serial ports with companding hardware. - Is the ADSP-2184BSTZ-160 code-compatible with other ADSP-2100 devices?
Yes, it is code-compatible with the ADSP-2100 family, ensuring ease of integration and code reuse. - What is the power consumption of the ADSP-2184BSTZ-160?
The power consumption is 1.4 mA/MIPS. - Does the ADSP-2184BSTZ-160 have any programmable timers?
Yes, it includes a programmable 16-bit interval timer. - How many external interrupts does the ADSP-2184BSTZ-160 support?
The device supports 6 external interrupts. - What is the purpose of the DMA ports on the ADSP-2184BSTZ-160?
The DMA ports facilitate high-speed access to on-chip memory and transparent program and data memory transfers.
