ADSP-2195 Datasheet, PDF (1/68 Pages) Analog Devices – DSP Microcomputer

35(/,0,1$5< 7(&+1,&$/ '$7$
a
Preliminary Technical Data
DSP Microcomputer
ADSP-2195
ADSP-219x DSP CORE FEATURES
6.25 ns Instruction Cycle Time (Internal), for up to
160 MIPS Sustained Performance
ADSP-218x Family Code Compatible with the Same
Easy -to-Use Algebraic Syntax
Single-Cycle Instruction Execution
Up to 16M words of Addressable Memory Space with
24 Bits of Addressing Width
Dual Purpose Program Memory for Both Instruction and
Data Storage
Fully Transparent Instruction Cache Allows Dual
Operand Fetches in Every Instruction Cycle
Unified Memory Space Permits Flexible Address
Generation, Using Two Independent DAG Units
Independent ALU, Multiplier/Accumulator, and Barrel
Shifter Computational Units with Dual 40-bit
Accumulators
Single-Cycle Context Switch between Two Sets of
Computational and DAG Registers
Parallel Execution of Computation and Memory
Instructions
Pipelined Architecture Supports Efficient Code
Execution at Speeds up to 160 MIPS
Register File Computations with All Nonconditional,
Nonparallel Computational Instructions
Powerful Program Sequencer Provides Zero-Overhead
Looping and Conditional Instruction Execution
Architectural Enhancements for Compiled C
Code Efficiency
$'63[
'63 &25(
FUNCTIONAL BLOCK DIAGRAM
,17(55837 &21752//(5
7,0 ( 5 6 ) /$ * 6
&$&+(
× % ,7
,17(51$/ 0 (02 5<
7:2 ,1'(3( 1'(17 %/2&.6
$'' 5(6 6
$'' 5(6 6
'$7$
'$7$
'$*
× × 
'$*
× × 
352*5$0
6( 4 8 ( 1& ( 5
30 $''5(66 %86

'0 $''5(66 %86


'0$
$'' 5(6 6

'0$
'$7$
%86
&211(&7
3;
30 '$7$ %86
'0 '$7$ %86
'$7$
5( * ,67 (5
),/(
,13 87
5( * ,6 7( 56
08/7
5(68/7
5( * ,6 7( 56
× %,7
%$55(/
6 + ,) 7 (5


$/8
,2 5(*,67(56
0(025< 0$33('
&21752/
67$786
%8))(56
'0$
&21752//(5
REV. PrA
-7$*

7(67
(0 8/ $ 7,2 1
(;7(51$/
3257

$''5 %86
08;
(;7(51$/ 0(025<
,17( 5 )$& (

'$7$ %86
08;
,2 352&(6625

+267 3257

6(5,$/ 32576


63, 32576


8$57 3257

This information applies to a product under development. Its characteristics
and specifications are subject to change without notice. Analog Devices
assumes no obligation regarding future manufacturing unless otherwise
agreed to in writing.
One Technology Way, P.O.Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel:[phone] World Wide Web Site: http://www.analog.com
Fax:[phone]
©Analog Devices,Inc., 2001