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8242AH 반도체 회로 부품 판매점

Universal Peripheral Interface 8-Bit Slave Microcontroller



Intel 로고
Intel
8242AH 데이터시트, 핀배열, 회로
UPI-41AH 42AH
UNIVERSAL PERIPHERAL INTERFACE
8-BIT SLAVE MICROCONTROLLER
Y UPI-41 6 MHz UPI-42 12 5 MHz
Y Pin Software and Architecturally
Compatible with all UPI-41 and UPI-42
Products
Y 8-Bit CPU plus ROM OTP EPROM RAM
I O Timer Counter and Clock in a
Single Package
Y 2048 x 8 ROM OTP 256 x 8 RAM on
UPI-42 1024 x 8 ROM OTP 128 x 8
RAM on UPI-41 8-Bit Timer Counter 18
Programmable I O Pins
Y One 8-Bit Status and Two Data
Registers for Asynchronous Slave-to-
Master Interface
Y DMA Interrupt or Polled Operation
Supported
Y Fully Compatible with all Intel and Most
Other Microprocessor Families
Y Interchangeable ROM and OTP EPROM
Versions
Y Expandable I O
Y Sync Mode Available
Y Over 90 Instructions 70% Single Byte
Y Available in EXPRESS
Standard Temperature Range
Y inteligent Programming Algorithm
Fast OTP Programming
Y Available in 40-Lead Plastic and 44-
Lead Plastic Leaded Chip Carrier
Packages
(See Packaging Spec Order 240800-001)
Package Type P and N
The Intel UPI-41AH and UPI-42AH are general-purpose Universal Peripheral Interfaces that allow the designer
to develop customized solutions for peripheral device control
They are essentially ‘‘slave’’ microcontrollers or microcontrollers with a slave interface included on the chip
Interface registers are included to enable the UPI device to function as a slave peripheral controller in the MCS
Modules and iAPX family as well as other 8- 16- and 32-bit systems
To allow full user flexibility the program memory is available in ROM and One-Time Programmable EPROM
(OTP) All UPI-41AH and UPI-42AH devices are fully pin compatible for easy transition from prototype to
production level designs
210393 – 2
Figure 1 DIP Pin Configuration
November 1994
210393 – 3
Figure 2 PLCC Pin Configuration
Order Number 210393-008
Free Datasheet http://www.datasheet4u.com/


8242AH 데이터시트, 핀배열, 회로
UPI-41AH 42AH
Figure 3 Block Diagram
210393 – 1
UPI PRODUCT MATRIX
UPI
Device
ROM
8042AH
2K
8242AH
2K
8742AH
8041AH
1K
8741AH
OTP
EPROM
2K
1K
RAM
256
256
256
128
128
Programming
Voltage
12 5V
12 5V
THE INTEL 8242
As shown in the UPI-42 product matrix the UPI-42
will be offered as a pre-programmed 8042 with sev-
eral software vendors’ keyboard controller firmware
The current list of available 8242 versions include
keyboard controller firmware from both Phoenix
Technologies Ltd IBM and Award Software Inc
The 8242 is programmed with Phoenix Technologies
Ltd keyboard controller firmware for AT-compatible
systems This keyboard controller is fully compatible
with all AT-compatible operating systems and appli-
cations The 8242PC also contains Phoenix Tech-
nologies Ltd firmware This keyboard controller
provides support for AT PS 2 and most EISA plat-
forms as well as PS 2-style mouse support for either
AT or PS 2 platforms
The Intel 8242BB is programmed with IBM’s key-
board controller firmware The 8242BB provides an
off the shelf keyboard and auxiliary device controller
for AT PS 2 EISA and PCI architectures
The 8242WA contains Award Software Inc firm-
ware This device provides at AT-compatible key-
board controller for use in IBM PC AT compatible
computers The 8242WB contains a version of
Award Software Inc firmware that provides PS 2
style mouse support in addition to the standard fea-
tures of the 8242WA
Contact factory for current code revision available in all versions of the 8242 product lines
2
Free Datasheet http://www.datasheet4u.com/




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8242AH controller

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8242AH

Universal Peripheral Interface 8-Bit Slave Microcontroller - Intel