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SMJ320C25-50 Datasheet Preview

SMJ320C25-50 Datasheet

Digital Signal Processor

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D Military Temperature Range
– –55°C to 125°C
D 100-ns or 80-ns Instruction Cycle Times
D 544 Words of Programmable On-Chip Data
RAM
D 4K Words of On-Chip Program ROM
D 128K Words of Data/Program Space
D 16 Input and 16 Output Channels
D 16-Bit Parallel Interface
D Directly Accessible External Data Memory
Space
– Global Data Memory Interface
D 16-Bit Instruction and Data Words
D 16 × 16-Bit Multiplier With a 32-Bit Product
D 32-Bit ALU and Accumulator
D Single-Cycle Multiply/Accumulate
Instructions
D 0 to 16-Bit Scaling Shifter
D Bit Manipulation and Logical Instructions
D Instruction Set Support for Floating-Point
Operations, Adaptive Filtering, and
Extended-Precision Arithmetic
D Block Moves for Data/Program
Management
D Repeat Instructions for Efficient Use of
Program Space
D Eight Auxiliary Registers and Dedicated
Arithmetic Unit for Indirect Addressing
D Serial Port for Direct Code Interface
D Synchronization Input for Synchronous
Multiprocessor Configurations
D Wait States for Communication to
Slow-Off-Chip Memories/Peripherals
D On-Chip Timer for Control Operations
D Three External Maskable User Interrupts
D Input Pin Polled by Software Branch
Instruction
D 1.6-µm CMOS Technology
D Programmable Output Pin for Signaling
External Devices
SMJ320C25, SMJ320C25Ć50
DIGITAL SIGNAL PROCESSOR
SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001
D Single 5-V Supply
D On-Chip Clock Generator
D Packaging:
– 68-Pin Leaded Ceramic Chip Carrier (FJ
Suffix)
– 68-Pin Ceramic Grid Array (GB Suffix)
– 68-Pin Leadless Ceramic Chip Carrier
(FD Suffix)
68-Pin FJ and FD Packages
(Top View)
VSS
D7
D6
D5
D4
D3
D2
D1
D0
SYNC
INT0
INT1
INT2
VCC
DR
FSR
A0
9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61
10
60
11
59
12
58
13
57
14
56
15
55
16
54
17
53
18
52
19
51
20
50
21
49
22
48
23
47
24
46
25
45
26
44
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
IACK
MSC
CLKOUT1
CLKOUT2
XF
HOLDA
DX
FSX
X2 CLKIN
X1
BR
STRB
R/W
PS
IS
DS
VSS
68-Pin GB Package
(Top View)
1 2 3 4 5 6 7 8 9 10 11
A
B
C
D
E
F
G
H
J
K
L
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.
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 2001, Texas Instruments Incorporated
On products compliant to MILĆPRFĆ38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251–1443
1




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SMJ320C25-50 Datasheet Preview

SMJ320C25-50 Datasheet

Digital Signal Processor

No Preview Available !

SMJ320C25, SMJ320C25Ć50
DIGITAL SIGNAL PROCESSOR
SGUS007D AUGUST 1988 REVISED OCTOBER 2001
description
This data sheet provides design documentation for the SMJ320C25 and the SMJ320C25-50 digital signal
processor (DSP) devices in the SMJ320family of VLSI digital signal processors and peripherals. The SMJ320
family supports a wide range of digital signal processing applications such as tactical communications,
guidance, military modems, speech processing, spectrum analysis, audio processing, digital filtering,
high-speed control, graphics, and other computation-intensive applications.
Differences between the SMJ320C25 and the SMJ320C25-50 are specifically identified, as in the following
paragraph and in the parameter tables on pages 18 through 24 of this data sheet. When not specifically
differentiated, the term SMJ320C25 is used to describe both devices.
The SMJ320C25 has a 100-ns instruction cycle time. The SMJ320C25-50 has an 80-ns instruction cycle time.
With these fast instruction cycle times and their innovative memory configurations, these devices perform
operations necessary for many real-time digital signal processing algorithms. Since most instructions require
only one cycle, the SMJ320C25 is capable of executing 12.5 million instructions per second. On-chip data RAM
of 544 16-bit words, on-chip program ROM of 4K words, direct addressing of up to 64K words of external data
memory space and 64K words of external program memory space, and multiprocessor interface features for
sharing global memory minimize unnecessary data transfers to take full advantage of the capabilities of the
instruction set.
FUNCTION
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
Table 1. PGA/CLCC/LCCC Pin Assignments
PIN
K1/26
K2/28
L3/29
K3/30
L4/31
K4/32
L5/33
K5/34
K6/36
L7/37
K7/38
L8/39
FUNCTION
A12
A13
A14
A15
BI0
BR
CLKOUT1
CLKOUT2
CLKR
CLKX
D0
D1
PIN
K8/40
L9/41
K9/42
L10/43
B7/68
G11/50
C11/58
D10/57
B9/64
A9/63
F1/18
E2/17
FUNCTION
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
PIN
E1/16
D2/15
D1/14
C2/13
C1/12
B2/11
A2/9
B3/8
A3/7
B4/6
A4/5
85/4
FUNCTION
D14
D15
DR
DS
DX
FSR
FSX
HOLD
HOLDA
IACK
INT0
INT1
PIN
A5/3
B6/2
J1/24
K10/45
E11/54
J2/25
F10/53
A7/67
E10/55
B11/60
G1/20
G2/21
FUNCTION
INT2
IS
MP/MC
MSC
PS
READY
RS
R/W
STRB
SYNC
VCC
VCC
PIN
H1/22
J11/46
A6/1
C10/59
J10/47
B8/66
A8/65
H11/48
H10/49
F2/19
A10/61
B10/62
FUNCTION
VCC
VCC
VSS
VSS
VSS
XF
X1
X2/CLKIN
PIN
H2/23
L6/35
B1/10
K11/44
L2/27
D11/56
G10/51
F11/52
SMJ320 is a trademark of Texas Instruments Incorporated.
2
POST OFFICE BOX 1443 HOUSTON, TEXAS 772511443



Part Number SMJ320C25-50
Description Digital Signal Processor
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Total Page 3 Pages
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