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1981 PRODUCT
HANDBOOK
WESTERN DIGITAl.
CORPORATION
WESTERN DIG6TAl
PRODUCT HANDBOOK
Making The leading Edge Work For You
This is our first complete Product Handbook and, naturally, we're
proud of it. We're proud of the products detailed in these pages. We're
proud of our people, who have taken these products from concept to
market. And we're proud of the hundreds of Western Digital customers
who have used these products to achieve a competitive advantage in
their own markets.
The rate of innovation in this industry is breathtaking. And Western
Digital has played an important role in the microelectronic revolution.
Our guiding principle though, goes beyond extending the limits of the
leading edge; we're dedicated to making the leading edge work. The
proof is in our products.
And like our products, this handbook has been designed with you in
mind. We've gone to great lengths to make it complete, accurate and
useful. Now we would like your critical appraisal, to help us improve it.
And our products. Let me hear from you directly. Or use the postcard
at the back at this handbook.
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//
Charles W. Missler
Chairman of the Board
President and Chief Executive Officer
3
lEDGE HNDEX
TELECOMMUNICATIONS DIVISION
COMPUTER PRODUCTS DIVISION
ADVANCED SYSTEMS DIVISION
CONTROL SYSTEMS DIVISION
GENERAL INFORMATION
Quality Assurance
Package Data
Representatives and Distributors
Terms of Sale
5
FUNCTIONAL INDEX
TELECOMMUNICATIONS DIVISION
Part Number Description Page
TR1402 Programmable UART 17
TR1602 Programmable UART 17
TR1863 Programmable UART 17
TR1865 Programmable UART 17
PR1472 Programmable SAR 25
PR1482 Programmable SAT 39
FR1502 FIFO Buffer Register 55
UC1671 ASTRO-Full Duplex Synch or Asynch 67
WD1931 ASTRO-Compatible with SDLC 81
WD1933 SDLC-Parallel to Synch Serial 99
BR1941 Dual Baud Rate Generator 115
WD1983 Programmable BOART 123
WD1984 Multi-Character Synch ronous/ Asynchronous Transmitter/Receiver 189
WD1993 ARINC 429-1 ASART Controller 171
WD2123 Deuce Dual Channel BOART 151
WD2501 Packet Switching Controller, CCITT X.25 -LAP 291
WD2511 Packet Switching Controller, CCITT X.25-LAPB 291
WD25001XC Pac-Kit 303
WD2001 Single Port Data Encryption Device 261
WD2002 Dual Port Data Encryption Device 261
WD20001XA Cryptographic Primer Kit 273
WD5869 Shift Register 63
WD8250 ACE Async Communications Element 135
COMPUTER PRODUCTS DIVISION
Part Number Description Page
WD1000 Winchester Controller Board 327
WD1100 Winchester Controller Chip Set 329
WD1510 LIFO/FIFO Buffer Register 425
WD1691 Floppy Support Logic 399
FD1771 Floppy Disk Controller-Single Density 371
FD1791 FDC-Single/Dual Density, Inverted Data Bus 331
FD1792 FDC-Single Density, Inverted Data Bus 331
FD1793 FDC-Single/Dual Density, True Data Bus 331
FD1794 FDC-Single Density, True Data Bus 331
6
FD1795 FDC-Dual Density/Side Select, Inverted Data Bus 331
FD1797 FDC-Dual Density/Side Select, True Data Bus 331
DM1883 Direct Memory Access Controller 407
WD2143 Four Phase Clock Generator 419
ADVANCED SYSTEMS DIVISION
Part Number Description Page
WD0090 Pascal MICROENGINE Computer System 433
WD0900 Pascal MICROENGINE Single Board Computer 437
WD9000 Microprocessor Chip Set 441
WD9810 Pascal System Software 443
WD9810 Pascal Compiler 445
ME1600 Modular MICROENGINE 447
CONTROL SYSTEMS DIVISION
Part Number Description Page
WD51 Irrigation Controller 463
WD55 Industrial Timer/Controller 471
WD4020 ROMless version of WD4200 487
WD4200/4210 Single Chip 4-Bit Microcontroller, COPS Family 495
7
DII11l:rrocilucltion to
The Telecommunications Division of Western Digital has established a strong
market leadership position by developing state-of-the-art standard and custom
products which provide cost effective solutions for the complex needs of its
customers in the rapidly growing field of digital communications.
GENERAL DATA
COMMUNICA nONS
In the General Data Communications product line, our product offerings have
been expanded to cover more advanced protocols such as the WD1933 for
SDLC/HDLC and the WD1993 for the ARINC 429 which is for avionic use
onboard aircraft. With these offerings, Western Digital now has the broadest line
of protocol controllers in the industry. Future editions of this catalog will
introduce dual devices with multiple system functions per package as well as
complete board products.
SECURITY PRODUCTS
Western Digital has introduced the WD2001/2002, the first high-speed LSI
implementation of the data encryption algorithm which has been standardized
by the National Bureau of Standards. Because of this early market entry the
WD2001 has been chosen by companies all over the world for use in their new
deSigns. Future product offerings will include more advanced LSI devices with
increased functionality as well as encryption system products.
NETWORK PRODUCTS
One of the most strategic products announced in this catalog is the X.25
Packet Switching Controller, the WD2501. Packet switching is an advanced
form of digital network technology that is being heralded as one of the most
strategic technologies of the 1980's, and Western Digital's visible leadership in
this field will lead to significant growth opportunities in both public networks and
"local network" markets such as the "office of the future" and advanced
manufacturing applications. The Division is developing both standard proprietary
products and custom versions.
9
Table of Contents
TELECOMMUNICATIONS DIVISION
Page
CROSS REFERENCE, PIN COMPATIBLE AND FUNCTIONAL 12
PRODUCT SELECTION CHART 13
GENERAL DATA COMMUNICATIONS PRODUCTS 15
Family and Protocol Definitions 16
Data Sheets
UARTS TR1402/1602/1863/1865 17
PSAR PR1472 25
PSAT PT1482 39
FIFO FR1502 55
SHIFT REGISTER WD5869 63
ASTRO UC1671 67
USART WD1931 81
HDLC WD1933 99
DUAL BAUD RATE GENERATOR BR1941 115
BOART WD1983 123
ACE WD8250 135
DEUCE WD2123 151
ARINC 429-1 Controller WD1993 171
MULTI-CHARACTER USART WD1984 189
Technical Note 205
Using the new Data Link Control Chips 207
Data Link Control Chip supports all three bit oriented protocols. 215
Applications Notes 221
Asynchronous Receiver/Transmitter-TR1602/1863 223
WD1931/1933 Compatibility Application Note 235
10
Page
SECURiTY PRODUCTS 259
Data Sheets
Data Encryption Devices WD2001/2 261
Cryptographic Primer Kit WDK20001 -XA 273
Technical Note 275
Cipher Feedback Cryptography 277
Applications Note 279
One Bit Cipher Feedback in a Synchronous System 281
NETWORK PRODUCTS 289
Data Sheets
Packet Network Interface Devices -WD2501/11 291
Pac-Kit -WDK25001-XC 303
Technical Note 305
Chip opens door to Packet Switching 307
BOARD PRODUCT NUMBERING SYSTEM 319
Board Product Numbering 321
11
FUNCTIONALITY COMPATIBILITY GUIDE (PARTIAL LIST)
WD SIGNETICS FAIRCHILD INTEL MOTOROLA AMI SMC HARRIS ZILOG MOSTEK
WD1931 2651
2661 6852 8251A 6852 6852 8251A SIO 3884
6854
WD1933 2652 6856 8273 6854 6854 5025 SIO 3884
WD1993 429
WD2001 9414 1 8294 6859 6894
FR1502 33512
PLEASE CONTACT FACTORY FOR APPLICATIONS ASSISTANCE.
NOTES: 1. Four chip set.
PIN COMPATIBLE REPLACEMENT GUIDE
WD SMC GI NAT TI AMI INTEL SIGNETICS HARRIS INTERSIL
TR1402 COM2502 AY-5-1013A
COM2502H AY-6-1013 TMS6010 4 S1757 2536
TR1602 COM2017
COM2017H TMS6011 4
TR1863 COM1863
COM8017 AY-3-1014A HM6402 IM6402
TR1865 COM8018 AY-3-1015D
PR1472 AY-3-1472B 4
PT1482 AY-3-1482B 4
UC1671 COM1671 INS1671
WD8250 INS8250
WD1983 1 INS8251A 8251A
BR1941 2 COM5016
COM5036 3
PLEASE CONSULT FACTORY FOR MAXIMUM OPERATING FREQUENCIES AND HIGH-RELIABILITY
SCREENING.
NOTES: 1. WD1983 is ASYNC only.
2. Many frequency selections available. Consult factory for details.
Frequency selection is mask programmable-consult factory for details.
3. Pin 10 on BR1941 is a "no connection".
4. Discontinued product.
12
PRODUCT SELECTION CHART
ARINC UARTS BOARTS PSAR/PSAT USART OLC
GENERAL DATA W T T wwww P P U W w
COMMUNICATIONS D R R D D D D R T C D D
PRODUCTS 2 8 1 1 1 1
9 6 8 9 1 2 9 4 4 6 9 9
9 0 6 8 2 5 8 7 8 7 3 3
3 2 3/5 3 3 0 4 2 2 3
ARINC 429 0
ASYNCH 0 0 0 0 0 0 0 . 0 0
ISOCH 0 . 0 0 0 0
" ..
PROTOCOL SYNCH (BI-SYNC) 0 0 . 0 0
SDLC 0
HDLC 0
ADCCP .
FULL DUPLEX 0 . 0 0 0 0 0 .. 0 .
MAXIMUM 100 kHz
320 kHz . .
500 kHz
FEATURES 640 kHz 0 . 0 0
1000 kHz 0 0 0 .. 0 .. 0
1500 kHz 0
2500 kHz .. 0
3500 kHz 0
SELECTABLE CLOCK
BOTH TRANSMIT AND
RECEIVE 0 .
INDEPENDENT TRANSMIT
AND RECEIVE .