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DSP Microcomputer |
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ADSP-2191M |
PERFORMANCE FEATURES
6.25 ns Instruction Cycle Time, for up to 160 MIPS Sustained Performance
ADSP-218x Family Code Compatible with the Same Easy to Use Algebraic Syntax
Single-Cycle Instruction Execution
Single-Cycle Context Switch between Two Sets of Computation and Memory Instructions
Instruction Cache Allows Dual Operand Fetches in Every Instruction Cycle
Multifunction Instructions
Pipelined Architecture Supports Efficient Code Execution
Architectural Enhancements for Compiled C and C++ Code Efficiency
Architectural Enhancements beyond ADSP-218x Family are Supported with Instruction Set Extensions for Added Registers, and Peripherals
Flexible Power Management with User-Selectable Power-Down and Idle Modes
FUNCTIONAL BLOCK DIAGRAM
ADSP-219x |
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DSP CORE |
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CACHE |
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64 24-BIT |
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DAG1 |
DAG2 |
PROGRAM |
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4 4 16 |
4 4 16 |
SEQUENCER |
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PM ADDRESS BUS |
24 |
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DM ADDRESS BUS |
24 |
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DMA |
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CONNECT |
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PM DATA BUS |
24 |
PX |
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DM DATA BUS |
16 |
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DATA
REGISTER
FILE
INPUT
REGISTERS
RESULT
REGISTERS
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BARREL |
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MULT |
16 |
16-BIT |
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ALU |
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SHIFTER |
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INTERNAL MEMORY
FOUR INDEPENDENT BLOCKS |
BLOCK0 |
BLOCK1 BLOCK2 BLOCK3 |
EMULATION |
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ADDRESS |
24 BIT |
DATA |
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JTAG |
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ADDRESS |
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24 BIT |
DATA |
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TEST & |
ADDRESS |
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16 BIT |
DATA |
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ADDRESS |
16 BIT |
DATA |
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EXTERNAL PORT |
I/O ADDRESS 18 |
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ADDR BUS |
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MUX |
24DMA ADDRESS 24 DMA DATA
DATA BUS
MUX
16 I/O DATA
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I/O PROCESSOR |
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HOST PORT |
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I/O REGISTERS |
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(MEMORY-MAPPED) |
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CONTROL |
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SERIAL PORTS |
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DMA |
(3) |
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STATUS |
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CONTROLLER |
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BUFFERS |
SPI PORTS |
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(2) |
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UART PORT |
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(1) |
PROGRAMMABLE
SYSTEM INTERRUPT CONTROLLER TIMERS (3) FLAGS (16)
6
22
16
24
18
6
2
3
REV. A
Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
One Technology Way, P.O.Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel:781/329-4700 |
www.analog.com |
Fax:781/326-8703 |
© Analog Devices, Inc., 2002 |