Overview
The ADSP-21992BSTZ, produced by Analog Devices Inc., is a high-performance mixed-signal DSP controller designed for various industrial and signal processing applications. It is based on the ADSP-2199x DSP core and integrates a range of embedded control peripherals, making it suitable for applications that require both high-performance DSP capabilities and mixed-signal integration. The device is particularly useful in industrial motor control, uninterruptible power supplies, optical networking control, data acquisition systems, test and measurement systems, and portable instrumentation.
Key Specifications
| Parameter | Description |
|---|---|
| Clock Rate | 160 MHz |
| Program Memory | 32K words |
| Data Memory | 16K words |
| ADC System | 8-channel, 14-bit, 20 MSPS with on-chip voltage reference |
| PWM Generation Unit | 3-phase, 16-bit, center-based with additional dual auxiliary PWM outputs |
| Timers | Three 32-bit general-purpose timers |
| Communication Interfaces | CAN 2.0B, SPI, SSP, and synchronous serial (SPORT) |
| Package | 176-lead LQFP (24mm x 24mm) |
| On-Chip RAM | 128kB |
Key Features
- High-performance ADSP-2199x DSP core operating at 160 MHz
- Integrated 8-channel, 14-bit ADC system with dual-channel simultaneous sampling and on-chip voltage reference
- 3-phase, 16-bit PWM generation unit with programmable pulse width, dead time, and switching frequency
- Incremental encoder interface unit for position sensor feedback
- Three 32-bit general-purpose timers and a 16-bit watchdog timer
- 16-bit general-purpose flag I/O port and 16 lines of digital I/O
- CAN 2.0B interface with 16 configurable mailboxes and individual acceptance filters
- SPI, SSP, and synchronous serial (SPORT) communication ports
- External memory interface supporting up to 1 MWord
- Power-on-reset (POR) circuit and low-power modes
Applications
- Industrial motor drives
- Uninterruptible power supplies
- Optical networking control
- Data acquisition systems
- Test and measurement systems
- Portable instrumentation
Q & A
- What is the clock rate of the ADSP-21992BSTZ?
The ADSP-21992BSTZ operates at a clock rate of 160 MHz.
- What type of ADC system does the ADSP-21992BSTZ have?
The ADSP-21992BSTZ features an 8-channel, 14-bit ADC system with a 20 MSPS sampling rate and an on-chip voltage reference.
- What are the key features of the PWM generation unit in the ADSP-21992BSTZ?
The PWM generation unit is 3-phase, 16-bit, center-based with programmable pulse width, dead time, and switching frequency. It also supports dual auxiliary PWM outputs.
- Does the ADSP-21992BSTZ support CAN communication?
Yes, the ADSP-21992BSTZ includes a CAN 2.0B interface with 16 configurable mailboxes and individual acceptance filters.
- What types of timers are available on the ADSP-21992BSTZ?
The device includes three 32-bit general-purpose timers and a 16-bit watchdog timer.
- What is the package type and size of the ADSP-21992BSTZ?
The ADSP-21992BSTZ is packaged in a 176-lead LQFP (24mm x 24mm).
- How much on-chip RAM does the ADSP-21992BSTZ have?
The ADSP-21992BSTZ has 128kB of on-chip RAM.
- What are some of the communication interfaces supported by the ADSP-21992BSTZ?
The device supports SPI, SSP, synchronous serial (SPORT), and CAN 2.0B interfaces.
- What are some typical applications of the ADSP-21992BSTZ?
Typical applications include industrial motor drives, uninterruptible power supplies, optical networking control, data acquisition systems, test and measurement systems, and portable instrumentation.
- Does the ADSP-21992BSTZ have power management features?
Yes, the device includes power-on-reset (POR) circuitry and supports low-power modes.
