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UPI-C42, UPI-L42
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UPI-C42/UPI-L42
WAVEFORMS
READ OPERATIONÐDATA BUS BUFFER REGISTER
290414–22
WRITE OPERATIONÐDATA BUS BUFFER REGISTER
290414–23
CLOCK TIMING
290414–24
21
Contents
Main
UPI-C42/UPI-L42 UNIVERSAL PERIPHERAL INTERFACE CHMOS 8-BIT SLAVE MICROCONTROLLER
UPI-C42/UPI-L42
Table1. Pin Description
Table1. Pin Description (Continued)
Figure4. Block Diagram
UPI-C42/L42 PRODUCT SELECTION GUIDE
THE INTEL 82C42
UPI-42 COMPATIBLE FEATURES
UPI-C42 FEATURES Programmable Memory Size Increase
Extended Memory Program Addressing (Beyond 2K)
PROGRAM MEMORY BANK SWITCH
INTERRUPT ROUTINES
Hardware A20 Gate Support
Suspend Mode Summary
# # # # #
NEW UPI-C42 INSTRUCTIONS
New Instructions
PROGRAMMING AND VERIFYING THE UPI-C42
Quick-Pulse Programming Algorithm
Verify
SECURITY BIT
SECURITY BIT PROGRAMMING/ VERIFICATION Programming
Verification
SIGNATURE MODE
SYNC MODE
ACCESS CODE
SYNC MODE TIMING DIAGRAMS
APPLICATIONS
ABSOLUTE MAXIMUM RATINGS*
DC CHARACTERISTICS
DC CHARACTERISTICS
DC CHARACTERISTICSPROGRAMMING (UPI-C42 AND UPI-L42)
Page
AC CHARACTERISTICS
AC CHARACTERISTICS
AC CHARACTERISTICSPROGRAMMING (UPI-C42 AND UPI-L42)
u
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Page
WAVEFORMS
COMBINATION PROGRAM/VERIFY MODE
VERIFY MODE
WAVEFORMS
Table4. UPI Instruction Set
Table4. UPI Instruction Set (Continued)
REVISION SUMMARY
-003: 1. Delete all references to standby power down mode.
-001: 1. Added UPI-L42 references and specification.