TMS320 SECOND-GENERATION
DEVICES
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