Overview
The ADSP-2101BP-100, produced by Analog Devices Inc., is a member of the ADSP-2100 Family of digital signal processing (DSP) microcomputers. These single-chip microcomputers are optimized for digital signal processing and other high-speed numeric processing applications. The ADSP-2101 is built on a common core architecture that includes computation units, data address generators, and a program sequencer, along with various differentiating features such as on-chip program and data memory RAM, a programmable timer, and two serial ports.
Key Specifications
| Specification | Details |
|---|---|
| Processor Family | ADSP-2100 Family |
| Processor Type | 16-Bit Digital Signal Processor |
| Operating Frequency | 25 MHz |
| Instruction Cycle Time | 40 ns |
| Package Type | 68-Lead PLCC (ADSP-2101BP-100) |
| Voltage Supply | 5V |
| On-Chip Memory | Program and Data Memory RAM |
| Serial Ports | Two synchronous serial ports (SPORT 0 and SPORT 1) |
| Timer | Programmable interval timer |
| Interrupts | Three edge- or level-sensitive interrupts |
| Status | Obsolete |
Key Features
- Dual Data Address Generators with Modulo and Bit-Reverse Addressing
- Efficient Program Sequencing with Zero-Overhead Looping: Single-Cycle Loop Setup
- Automatic Booting of On-Chip Program Memory from Byte-Wide External Memory (e.g., EPROM)
- Double-Buffered Serial Ports with Companding Hardware, Automatic Data Buffering, and Multichannel Operation
- Programmable Interval Timer for generating periodic interrupts
- Three edge- or level-sensitive interrupts
- Low Power IDLE Instruction
- Flexible architecture supporting high degree of parallelism, allowing multiple operations in a single cycle
Applications
The ADSP-2101 is suitable for a variety of applications, including:
- Digital Signal Processing (DSP)
- High-Speed Numeric Processing
- Audio and Image Processing
- Telecommunications
- Industrial Control Systems
- Multiprocessor Communication
Q & A
- What is the operating frequency of the ADSP-2101?
The ADSP-2101 operates at a frequency of 25 MHz with a 40 ns instruction cycle time.
- What type of memory does the ADSP-2101 have on-chip?
The ADSP-2101 has on-chip program and data memory RAM.
- How many serial ports does the ADSP-2101 have?
The ADSP-2101 has two synchronous serial ports (SPORT 0 and SPORT 1).
- What is the purpose of the programmable interval timer in the ADSP-2101?
The programmable interval timer generates periodic interrupts. It uses a 16-bit count register that decrements every n cycles, where n-1 is a scaling value stored in an 8-bit register.
- Can the ADSP-2101 boot from external memory?
Yes, the ADSP-2101 can automatically boot its on-chip program memory from byte-wide external memory, such as an EPROM.
- What is the status of the ADSP-2101BP-100?
The ADSP-2101BP-100 is obsolete.
- What package types are available for the ADSP-2101?
The ADSP-2101 is available in various packages, including 68-Lead PLCC (ADSP-2101BP-100).
- How does the ADSP-2101 handle interrupts?
The ADSP-2101 has three edge- or level-sensitive interrupts.
- What is the voltage supply requirement for the ADSP-2101?
The ADSP-2101 operates with a 5V voltage supply.
- Can the ADSP-2101 perform multiple operations in a single cycle?
Yes, the ADSP-2101's flexible architecture supports a high degree of parallelism, allowing it to perform multiple operations in a single cycle.
