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TMS320C40 Datasheet

  • TMS320C40

  • DIGITAL SIGNAL PROCESSOR

  • 45頁

  • TI

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TMS320C40
DIGITAL SIGNAL PROCESSOR
SPRS038 鈥?JANUARY 1996
D
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Highest Performance Floating-Point Digital
Signal Processor (DSP)
鈥?鈥?20C40-60:
33-ns Instruction Cycle Time,
330 MOPS, 60 MFLOPS,
30 MIPS, 384M Bytes / s
鈥?鈥?20C40-50:
40-ns Instruction Cycle Time
鈥?鈥?20C40-40:
50-ns Instruction Cycle Time
Six Communications Ports
Six-Channel Direct Memory Access (DMA)
Coprocessor
Single-Cycle Conversion to and From
IEEE-754 Floating-Point Format
Single Cycle, 1/x, 1/ x
Source-Code Compatible With TMS320C3x
Single-Cycle 40-Bit Floating-Point,
32-Bit Integer Multipliers
Twelve 40-Bit Registers, Eight Auxiliary
Registers, 14 Control Registers, and Two
Timers
IEEE 1149.1
鈥?/div>
(JTAG) Boundary Scan
Compatible
Two Identical External Data and Address
Buses Supporting Shared Memory Systems
and High Data-Rate, Single-Cycle
Transfers:
鈥?High Port-Data Rate of 120M Bytes/s
(鈥機40-60) (Each Bus)
鈥?16G-Byte Continuous
Program/ Data / Peripheral Address
Space
鈥?Memory-Access Request for Fast,
Intelligent Bus Arbitration
鈥?Separate Address-Bus, Data-Bus, and
Control-Enable Pins
鈥?Four Sets of Memory-Control Signals
Support Different Speed Memories in
Hardware
325-Pin Ceramic Grid Array (GF Suffix)
Fabricated Using 0.72-碌m Enhanced
Performance Implanted CMOS (EPIC鈩?
Technology by Texas Instruments (TI鈩?
Software-Communication-Port Reset
NMI With Bus-Grant Feature
325-PIN GF GRID ARRAY PACKAGE
(BOTTOM VIEW)
鈥?/div>
AR
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AH
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AD
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Y
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V
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2
1
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8 10 12 14 16 18 20 22 24 26 28 30 32 34
9 11 13 15 17 19 21 23 25 27 29 31 33 35
Pin A1
鈥?See Pin Assignments table and Pin Functions table for location
and description of all pins.
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Separate Internal Program, Data, and DMA
Coprocessor Buses for Support of Massive
Concurrent Input / Output (I/O) of Program
and Data Throughput, Maximizing
Sustained Central Processing Unit (CPU)
Performance
On-Chip Program Cache and
Dual-Access/Single-Cycle RAM for
Increased Memory-Access Performance
鈥?512-Byte Instruction Cache
鈥?8K Bytes of Single-Cycle Dual-Access
Program or Data RAM
鈥?ROM-Based Boot Loader Supports
Program Bootup Using 8-, 16-, or 32-Bit
Memories or One of the Communication
Ports
IDLE2 Clock-Stop Power-Down Mode
5-V Operation
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
鈥?IEEE Standard 1149.1鈥?990 Standard Test-Access Port and Boundary-Scan Architecture
EPIC and TI are trademarks of Texas Instruments Incorporated.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
漏
1996, Texas Instruments Incorporated
POST OFFICE BOX 1443
鈥?/div>
HOUSTON, TEXAS 77251鈥?443
1

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