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ꢈꢉ ꢊꢉ ꢋꢌꢍ ꢀꢉ ꢊ ꢎꢌꢍ ꢏꢐ ꢑ ꢆꢒ ꢀ ꢀꢑ ꢐ
SGUS 016A – AUGUST 1990 – REVISED AUGUST 2001
68-PIN GB
PIN GRID ARRAY CERAMIC PACKAGE
(TOP VIEW)
D
D
100-ns Instruction Cycle Time
†
1568 Words of Configurable On-Chip
Data/Program RAM
1
2
3
4
5
6
7
8
9
10 11
D
D
D
D
D
D
D
D
D
D
256 Words of On-Chip Program ROM
128K Words of Data/Program Space
Pin-for-Pin Compatible with the SMJ320C25
16 Input and 16 Output Channels
16-Bit Parallel Interface
A
B
C
D
E
F
Directly Accessible External Data Memory
Space
G
H
J
Global Data Memory Interface
16-Bit Instruction and Data Words
32-Bit ALU and Accumulator
K
L
Single-Cycle Multiply/Accumulate
Instructions
†
D
D
D
0 to 16-Bit Scaling Shifter
See Pin Assignments Table (Page 2) and Pin
Nomenclature Table (Page 3) for location and
description of all pins.
Bit Manipulation and Logical Instructions
Instruction Set Support for Floating-Point
Operations, Adaptive Filtering, and
Extended-Precision Arithmetic
D
D
D
D
D
D
D
D
D
Input Pin Polled by Software Branch
Instruction
Programmable Output Pin for Signalling
External Devices
D
D
D
Block Moves for Data/Program
Management
1.6-µm CMOS Technology
Single 5-V Supply
Packaging:
Repeat Instructions for Efficient Use of
Program Space
Eight Auxiliary Registers and Dedicated
Arithmetic Unit for Indirect Addressing
68-Pin Leaded Ceramic Chip Carrier
(FJ Suffix)
D
Serial Port for Direct Codec Interface
D
Synchronization Input for Multiprocessor
Configurations
68-Pin Leadless Ceramic Chip Carrier (FD
Suffix)
D
Wait States for Communications to Slow
Off-Chip Memories/Peripherals
68-Pin Grid Array Ceramic Package
(GB Suffix)
D
On-Chip Timer for Control Operations
Three External Maskable User Interrupts
Military Operating Temperature
Range . . . – 55° to 125°C
D
description
The SMJ320C26 Digital Signal Processor is a member of the TMS320 family of VLSI digital signal processors
and peripherals. The TMS320 family supports a wide range of digital signal processing applications, such as
telecommunications, modems, image processing, speech processing, spectrum analysis, audio processing,
digital filtering, high-speed control, graphics, and other computation intensive applications.
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.
Copyright 2001, Texas Instruments Incorporated
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