ADSP-21991 High-Performance Mixed-Signal DSP, 160 MHz, 32K Words Program Memory RAM

The ADSP-21991 extends the ADSP-2199x mixed signal DSP product family by offering increased memory integration compared with the ADSP-21990. The ADSP-21991 integrates a 160 MHz, 16-bit, ADSP-219x DSP core and an 8-channel, 14-bit, 20 MSPS ADC (with dual sample-and-hold amplifiers for simultaneous sampling). Additional mixed-signal integration includes a precision on-chip voltage reference, and a power-on-reset (POR) circuit. Various control peripherals are provided for single-chip solutions for embedded control and signal processing applications.

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ADSP-21991: Mixed Signal DSP Controller Data Sheet (Rev. 0) Documentation Errata	PDF 589 kB

Document	note
EE-356: Emulator and Evaluation Hardware Troubleshooting Guide for CCES Users (Rev. 2) EE-356: Associated Files	PDF 779.29 K
AN-227: Digital Control System Design with the ADSP-2100 Family	PDF
EE-32: Language Extensions: Memory Storage Types, ASM & Inline Constructs	PDF 89 kB
EE-35: Troubleshooting your ADSP-218x EZ-ICE	PDF 23 kB
EE-249: Implementing Software Overlays on ADSP-218x DSPs with VisualDSP++® (Rev. 1) EE-249 Software Code	PDF 60 kB
EE-227: CAN Configuration Procedure for ADSP-21992 DSPs (Rev. 1)	PDF 176 kB
EE-226: ADSP-2191 DSP Host Port Booting (Rev. 1) EE-226 Software Code	PDF 490 kB
EE-164: Advanced EPROM Boot and No-boot Scenarios with ADSP-219x DSPs EE-164 Software Code	PDF 284 kB
EE-188: Using C To Implement Interrupt-Driven Systems On ADSP-219x DSPs	PDF 64 K
EE-68: Analog Devices JTAG Emulation Technical Reference (Rev. 10)	PDF 293 kB
EE-154: ADSP-2191 Host Port Interface	PDF 267 kB
EE-168: Using Third Overtone Crystals with the ADSP-218x DSP	PDF 838 kB
EE-146: Implementing a Boot Manager for ADSP-218x Family DSPs	PDF 306 kB
EE-145: SPI Booting of the ADSP-2191 using the Atmel AD25020N on an EZ-KIT Lite Evaluation Board Associated Reference Code for EE-145	PDF 570 kB
EE-142: Autobuffering, C and FFTs on the ADSP-218x Associated Reference Code for EE-142	PDF 151 kB
EE-144: Creating a Master-Slave SPI Interface Between Two ADSP-2191 DSPs Associated reference code for EE-144	PDF 237 kB
EE-139: Interfacing the ADSP-2191 to an AD7476 via the SPI Port Associated reference code for EE-139	PDF 271 kB
EE-152: Using Software Overlays with the ADSP-219x and VisualDSP 2.0++ EE-152 Software Code	PDF 182 kB
EE-133: Converting From Legacy Architecture Files To Linker Description Files for the ADSP-218x	PDF 267 kB
EE-131: Booting the ADSP-2191/95/96 DSPs	PDF 272 kB
EE-130: Making Fast Transition from ADSP-21xx to ADSP-219x	PDF 243 kB
EE-129: ADSP-2192 Interprocessor Communication	PDF 237 kB
EE-125: ADSP-218x Embedded System Software Management and In-System-Programming (ISP) Associated DSP source code and schematics	PDF 33 kB
EE-124: Booting up the ADSP-2192	PDF 243 kB
EE-123: An Overview of the ADSP-219x Pipeline	PDF 203 kB
EE-122: Coding for Performance on the ADSP-219x	PDF 146 kB
EE-121: Porting Code from ADSP-21xx to ADSP-219x	PDF 235 kB
EE-115: ADSP-2189 IDMA Interface to Motorola MC68300 Family of Microprocessors	PDF 183 kB
EE-102: Mode D and ADSP-218x Pin Compatibility - the FAQs	PDF 194 kB
EE-100: ADSP-218x External Overlay Memory EE-100 Addendum: PM/DM Overlay and I/O Memory Expansion Board For The ADSP-2181 EZ-Kit Lite	PDF 204 kB
EE-96: Interfacing Two AD73311 Codecs to the ADSP-218x	PDF 203 kB
EE-82: Using an ADSP-2181 DSP's IO Space to IDMA Boot Another ADSP-2181	PDF 86 kB
EE-79: EPROM Booting In Host Mode with 100 Pin 218x Processors	PDF 241 kB
EE-78: BDMA Usage on 100 pin ADSP-218x DSPs Configured for IDMA Use	PDF 160 kB
EE-71: Minimum Rise Time Specs for Critical Interrupt and Clock Signals on the ADSP-21x1/21x5	PDF 186 kB
EE-64: Setting Mode Pins on Reset	PDF 119 kB
EE-60: Simulating an RS-232 UART Using the Synchronous Serial Ports on the ADSP-21xx Family DSPs	PDF 257 kB
EE-39: Interfacing 5V Flash Memory to an ADSP-218x (Byte Programming Algorithm)	PDF 52 kB
EE-38: ADSP-2181 IDMA Port - Cycle Steal Timing	PDF 74 kB
EE-18: Choosing and Using FFTs for ADSP-21xx	PDF 16 kB
EE-17: ADSP-2187L Memory Organization	PDF 28 kB
EE-12: Interrupts and Programmable Flags on the ADSP-2185/2186	PDF 12 kB
EE-11: ADSP-2181 Priority Chain & IDMA Holdoffs	PDF 66 kB
EE-06: ADSP-21xx Serial Port Startup Issues	PDF 8 kB
EE-5: ADSP-218x Full Memory Mode vs. Host Memory Mode	PDF 134 kB
EE-2: Using ADSP-218x I/O Space	PDF 170 kB
EE-158: ADSP-2181 EZ-Kit Lite IDMA to PC Printer Port Interface	PDF 459 kB
EE-156: Support for the H.100 protocol on the ADSP-2191 (Rev. 0.1)	PDF 184.58 K
EE-153: ADSP-2191 Programmable PLL	PDF 41 kB
EE-89: Implementing A Software UART on the ADSP-2181 EZ-Kit-Lite	PDF 235 kB
EE-37: How to Interface an LCD to the 21xx and 2106x Family DSP's	PDF 19 kB

Document	note
Using the ADSP-2100 Family Volume 1 (Rev. 1.0)	ZIP 4890 kB
ADSP-219x DSP Instruction Set Reference (Rev. 2.0)	PDF 1410 kB
ADSP-2199x Mixed Signal DSP Controller Hardware Reference (Rev. 0) Documentation Errata	PDF 3119 kB

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VisualDSP++ 3.5 C Compiler and Library Manual for ADSP-218x DSPs (Rev. 4.1)	PDF 4912 kB
VisualDSP++ 3.5 Component Software Engineering User's Guide for 16-Bit Processors (Rev. 1.0)	PDF 3657 kB
VisualDSP++ 3.5 User's Guide for 16-Bit Processors (Rev. 1.0)	PDF 4355 kB
VisualDSP++ 3.5 Assembler and Preprocessor Manual for ADSP-218x and ADSP-219x DSPs (Rev. 1.2)	PDF 1223 kB
VisualDSP++ 3.5 Linker and Utilities Manual for 16-Bit Processors (Rev. 1.0)	PDF 4739 kB
VisualDSP++ 3.5 Kernel VDK User's Guide for 16-Bit Processors (Rev. 1.0)	PDF 1870 kB
VisualDSP++ 3.5 Loader Manual for 16-Bit Processors (Rev. 1.0)	PDF 2379 kB
VisualDSP++ 3.5 Quick Installation Reference Card (Rev. 1.1)	PDF 78 kB
VisualDSP++ 3.5 C/C++ Compiler and Library Manual for ADSP-219x Processors (Rev. 4.1)	PDF 3209 kB
VisualDSP++ 3.5 Getting Started Guide for 16-Bit Processors (Rev. 1.0)	PDF 1218 kB

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ADSP-2199x Anomaly List for Revisions up to 1.1 (Rev. B)	PDF 141 kB

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Apex-ICE USB Emulator Hardware Installation Guide (Rev. 6.0)	PDF 605 kB
Summit-ICE PCI Emulator Hardware Installation Guide (Rev. 4)	PDF 508 kB

Document	note
The ADSP-2199x Family: Mixed-Signal DSPs For Embedded Control & Signal Processing Applications Product Highlight	PDF 75 kB

Part Number	Package	Packing Qty	Temp Range	Price 100-499	Price 1000+	RoHS
ADSP-21991BBCZ Last Time Buy	196 ball CSPBGA (1.85mm thick)	OTH 126	-40 to 85C	0	0	Y
ADSP-21991BSTZ Obsolete	LQFP 1.4 MM	OTH 40		0	0	Y

ADSP-21991 High-Performance Mixed-Signal DSP, 160 MHz, 32K Words Program Memory RAM

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