Texas Instruments TMS320

TMS320 SECOND GENERATION
DIGITAL SIGNAL PROCESSORS
SPRS010B — MAY 1987 — REVISED NOVEMBER 1990
POST OFFICE BOX 1443  HOUSTON, TEXAS 77001
4
Key Features: TMS32020
 200-ns Instruction Cycle Time
 544 Words of On-Chip Data RAM
 128K Words of Total Data/Program
Memory Space
 Wait States for Communication to Slower Off-Chip
Memories
 Source Code Compatible With the TMS320C1x
 Single-Cycle Multiply/Accumulate Instructions
 Repeat Instructions
 Global Data Memory Interface
 Block Moves for Data/Program Management
 Five Auxiliary Registers With Dedicated
Arithmetic Unit
 Serial Port for Multiprocessing or Interfacing
to Codecs, Serial Analog-to-Digital
Converters, etc.
Key Features: TMS320C25, TMS320C25-50, TMS320E25
 80-ns Instruction Cycle Time (TMS320C25-50)
 100-ns Instruction Cycle Time (TMS320C25)
 4K Words of On-Chip Secure Program EPROM
(TMS320E25)
 4K Words of On-Chip Program
ROM (TMS320C25)
 544 Words of On-Chip RAM
 128K Words of Total Program/Data
Memory Space
 Wait States for Communications to
Slower Off-Chip Memories
 Object-Code Compatible With the TMS32020
 Source-Code Compatible With TMS320C1x
 24 Additional Instructions to Support
Adaptive Filtering, FFTs, and
Extended-Precision Arithmetic
 Block Moves for Data/Program Management
 Single -Cycle Multiply/Accumulate Instructions
 Eight Auxiliary Registers With Dedicated
Arithmetic Unit
 Bit-Reversed Indexed-Addressing Mode for
Radix-2 FFTS
 Double-Buffered Serial Port
 On-Chip Clock Generator
 Single 5-V Supply
 NMOS Technology
 68-Pin Grid Array ( PGA) Package
 On-Chip Clock Generator
 Single 5-V Supply
 Internal Security Mechanism ( TMS320E25)
 68-to-28 Pin Conversion Adapter Socket
 CMOS Technology
 68-Pin Grid Array (PGA) Package
(TMS320C25)
 68-Lead Plastic Leaded Chip Carrier (PLCC)
Package (TMS320C25, TMS320C25-50)
 68-Lead CER-QUAD Package (TMS320E25)
Multiplier
32-BIT ALU/ACC
Shifters
Timer
Interrupts
Data (16)
Address (16)
+5 V GND
32-Bit ALU/ACC
Shifters
Timer
MP/
MC
Data (16)
Address (16)
+5 V GND
4K-Words
ROM/EPROM
Multiplier
256-Word
Data/Prog
RAM
288-Word
Data
RAM
Interrupts
Serial
Interface
Multi-
Processor
Interface
Serial
Interface
Multi-
Processor
Interface
256-Word
Data/Prog
RAM
288-Word
Data
RAM