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Preliminary Technical Data
DSP Microcomputer
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:781/329-4700 World Wide Web Site: http://www.analog.com
Fax:781/326-8703 ©Analog Devices,Inc., 2001
REV. PrA
G33G35G28G2fG2cG30G2cG31G24G35G3cG3G37G28G26G2bG31G2cG26G24G2fG3G27G24G37G24
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
FUNCTIONAL BLOCK DIAGRAM
G36G28G35G2cG24G2fG3G33G32G35G37G36
GbG16Gc
G36G33G2cG3G33G32G35G37G36
GbG15Gc
G14G1b
G15
G2cG12G32G3G35G28G2aG2cG36G37G28G35G36
GbG30G28G30G32G35G3cG3G30G24G33G33G28G27Gc
G26G32G31G37G35G32G2f
G36G37G24G37G38G36
G25G38G29G29G28G35G36
G2cG12G32G3G33G35G32G26G28G36G36G32G35
G2cG31G37G28G35G35G38G33G37G3G26G32G31G37G35G32G2fG2fG28G35G12
G37G2cG30G28G35G36G12G29G2fG24G2aG36
G26G24G26G2bG28
G19G17× G15G17G10G25G2cG37
G2dG37G24G2a
G37G28G36G37G3G9
G28G30G38G2fG24G37G2cG32G31
G19
G24G27G27G35G3G25G38G36
G30G38G3b
G28G3bG37G28G35G31G24G2fG3G30G28G30G32G35G3c
G2cG31G37G28G35G29G24G26G28
G28G3bG37G28G35G31G24G2f
G33G32G35G37
G27G24G37G24G3G25G38G36
G30G38G3b
G14G19
G15G15
G33G30G3G24G27G27G35G28G36G36G3G25G38G36
G27G30G3G24G27G27G35G28G36G36G3G25G38G36
G33G30G3G27G24G37G24G3G25G38G36
G27G30G3G27G24G37G24G3G25G38G36
G25G38G36
G26G32G31G31G28G26G37
GbG33G3bGc
G15G17
G14G19
G24G27G36G33G10G15G14G1cG5b
G27G36G33G3G26G32G35G28
G33G35G32G2aG35G24G30
G36G28G34G38G28G31G26G28G35
G27G24G37G24
G35G28G2aG2cG36G37G28G35
G29G2cG2fG28
G30G38G2fG37
G25G24G35G35G28G2f
G36G2bG2cG29G37G28G35
G24G2fG38
G38G24G35G37G3G33G32G35G37
GbG14Gc
G27G30G24
G26G32G31G37G35G32G2fG2fG28G35 G19
G2cG31G33G38G37
G35G28G2aG2cG36G37G28G35G36
G35G28G36G38G2fG37
G35G28G2aG2cG36G37G28G35G36
G14G19×G14G19G10G25G2cG37
G2bG32G36G37G3G33G32G35G37
G15G17
G15G17G15G17
G27G24G2aG14
G17 × G17 × G14G19
G27G24G2aG15
G17 × G17 × G14G19
G27G24G37G24
G27G24G37G24G24G27G27G35G28G36G36
G37G3aG32G3G3G2cG31G27G28G33G28G31G27G28G31G37G3G25G2fG32G26G2eG36
G2cG31G37G28G35G31G24G2fG3G30G28G30G32G35G3c
G24G27G27G35G28G36G36
G27G30G24
G27G24G37G24
G27G30G24
G24G27G27G35G28G36G36
G15G17
G15G17
G25
G2f
G32
G26
G2e
G13
G25
G2f
G32
G26
G2e
G14