Key facts
- Brand
- Analog Devices
- Model
- ADSP-2191
- Industry
- Industrial
- Documents
- 8
- Languages
- EN
- Last added
- 2012-08-03
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Analog Devices ADSP-219x/2191 DSP Hardware Reference Manual
This manual serves as a comprehensive hardware reference for engineers working with the ADSP-219x/2191 DSP family. It is intended for hardware designers, firmware developers, and system integrators who need in‑depth knowledge of the processor's architecture and operation.
The document covers the core DSP architecture, memory organization, interrupt handling, DMA controller, and peripheral interfaces such as SPORT, SPI, UART, and the host port. It also describes computational units, boot modes, low‑power operation, and JTAG debugging features, providing register‑level details and usage examples.
Analog Devices ADSP-2191 specifications
| Bus Width | 8- or 16-Bit parallel |
|---|---|
| Interface Type | Address & data multiplexed, asynchronous slave |
| Dedicated Pins | 24 pins |
| Address Bus | 16-bit (HAD[15..0]) |
Source: Analog Devices EE-154 ADSP-2191 Host Port Interface Application Note
All Analog Devices ADSP-2191 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
How to use the product for one specific task, with worked examples.
- Analog Devices ADSP-2191 Programmable PLL Technical Note 3 p
- ANALOG DEVICES SPI Booting of the ADSP-2191 using the Atmel AD25020N on an EZ-KIT Lite Evaluation Board Manual 10 p
- Analog Devices EE-139 Interfacing ADSP-2191 to AD7476 via SPI Port 12 p
- Analog Devices ADSP-2191/95/96 DSP Booting Application Note 9 p
- Analog Devices EE-154 ADSP-2191 Host Port Interface Application Note 6 p
Questions answered in these manuals
What is the maximum multiplication ratio the ADSP-2191 PLL can achieve?
The PLL supports a user-programmable multiplication of the input clock ranging from 1 to 32, including some fractional values.
From: Analog Devices ADSP-2191 Programmable PLL Technical Note
What is the maximum duration the MSELx and DF pins must remain in a valid configuration after reset?
The MSELx and DF pins must be in a valid configuration ratio for a period not exceeding 15 CLKIN cycles following the assertion of /Reset.
From: Analog Devices ADSP-2191 Programmable PLL Technical Note
What is the primary purpose of the ADSP-2191 described in this note?
The ADSP-2191 is the first DSP that provides booting via SPI.
Which specific EEPROM is used to demonstrate SPI booting?
The note shows how to interface an ATMEL EEPROM (AT 25020) in order to boot the ADSP-2191 via the SPI interface.
What is the purpose of this application note?
The document describes how to set up an SPI interface between the ADSP-2191 and an A/D converter (AD7476) in both hardware and software.
From: Analog Devices EE-139 Interfacing ADSP-2191 to AD7476 via SPI Port
What is the maximum power supply voltage for the AD7476?
The part operates from a single power supply up to 5.25V.
From: Analog Devices EE-139 Interfacing ADSP-2191 to AD7476 via SPI Port