Key facts
- Brand
- Analog Devices
- Model
- 21xx
- Category
- Other Electronics
- Documents
- 13
- Languages
- EN
- Last added
- 2012-08-03
Start here
Analog Devices 21xx specifications
| Supported array sizes | 8 to 1024 points |
|---|---|
| Function prototype | fftN(r_inp,i_inp,r_outp,I_outp) |
| Twiddle table precision | 16bit integer |
All Analog Devices 21xx documents by type
How to use the product for one specific task, with worked examples.
- Analog Devices EE-37 How to Interface an LCD to the 21xx and 2106x Family DSP 4 p
- ANALOG DEVICES Porting Code from ADSP-21xx to ADSP-219x Manual 9 p
- Analog Devices 21xx C-FFT Library Application Note 2 p
- Analog Devices EE-60 Simulating RS-232 UART Using ADSP-21xx Synchronous Serial Ports 13 p
- Analog Devices ADSP-21xx IOM-2 Bus Interface Application Note 4 p
- Analog Devices ADSP-21xx Timer Programming in C Application Note 3 p
- Analog Devices EE-19 Boot Paging II: Maximizing Boot-Memory Efficiency on the ADSP-21xx family Manual 5 p
- Analog Devices EE-18 Choosing and Using FFTs for ADSP-21xx 3 p
- Analog Devices EE-6 ADSP-21xx Serial Port Startup Issues 1 p
- ANALOG DEVICES AN-524 ADV601/ADV611 Bin Width Calculation in ADSP-21xx DSP Application Note 8 p
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What type of LCD modules can be interfaced with these DSPs?
The document covers Optrex dot-matrix type LCD modules ranging from 16 characters by one line to 40 characters by four lines.
From: Analog Devices EE-37 How to Interface an LCD to the 21xx and 2106x Family DSP
What hardware component is required between the DSP and the LCD?
A CMOS octal D-type flip-flop, specifically model 74HC574, must be used to interface the two devices.
From: Analog Devices EE-37 How to Interface an LCD to the 21xx and 2106x Family DSP
What is the intended audience for this application note?
This document is intended for existing users of the ADSP-218x who plan to upgrade their design to the ADSP-219x.
From: ANALOG DEVICES Porting Code from ADSP-21xx to ADSP-219x Manual
How many DSP clock cycles does a taken branch jump take?
Jumps, calls and returns can take up to 4 DSP clock cycles if the branch is taken.
From: ANALOG DEVICES Porting Code from ADSP-21xx to ADSP-219x Manual
How do I include the FFT library in my C code?
Add the directive #include < ffts.h> to the main file header.
What linker qualifier is needed for circular buffers?
The linker utility ld21 must be advised to use the qualifier CIRC.