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8XC52 54 58
CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER
Commercial Express
87C52 80C52 80C32 87C54 80C54 87C58 80C58
See Table 1 for Proliferation Options
Y High Performance CHMOS EPROM
ROM CPU
Y 12 24 33 MHz Operations
Y Three 16-Bit Timer Counters
Y Programmable Clock Out
Y Up Down Timer Counter
Y Three Level Program Lock System
Y 8K 16K 32K On-Chip Program Memory
Y 256 Bytes of On-Chip Data RAM
Y Improved Quick Pulse Programming
Algorithm
Y Boolean Processor
Y 32 Programmable I O Lines
Y 6 Interrupt Sources
Y Programmable Serial Channel with
Framing Error Detection
Automatic Address Recognition
Y TTL and CMOS Compatible Logic
Levels
Y 64K External Program Memory Space
Y 64K External Data Memory Space
Y MCS 51 Microcontroller Compatible
Instruction Set
Y Power Saving Idle and Power Down
Modes
Y ONCE (On-Circuit Emulation) Mode
Y Four-Level Interrupt Priority
Y Extended Temperature Range
(b40 C to a85 C)
MEMORY ORGANIZATION
ROM
Device
EPROM
Version
ROMless
Version
ROM EPROM
Bytes
80C52
87C52
80C32
8K
80C54
87C54
80C32
16K
80C58
87C58
80C32
32K
These devices can address up to 64 Kbytes of external program data memory
RAM
Bytes
256
256
256
The Intel 8XC52 8XC54 8XC58 is a single-chip control-oriented microcontroller which is fabricated on Intel’s
reliable CHMOS III-E technology Being a member of the MCS 51 family of controllers the 8XC52 8XC54
8XC58 uses the same powerful instruction set has the same architecture and is pin-for-pin compatible with
the existing MCS 51 family of products The 8XC52 8XC54 8XC58 is an enhanced version of the
87C51 80C51BH 80C31BH The added features make it an even more powerful microcontroller for applica-
tions that require clock output and up down counting capabilities such as motor control It also has a more
versatile serial channel that facilitates multi-processor communications
Throughout this document 8XC5X will refer to the 8XC52 80C32 8XC54 and 8XC58 unless information
applies to a specific device
Other brands and names are the property of their respective owners
Information in this document is provided in connection with Intel products Intel assumes no liability whatsoever including infringement of any patent or
copyright for sale and use of Intel products except as provided in Intel’s Terms and Conditions of Sale for such products Intel retains the right to make
changes to these specifications at any time without notice Microcomputer Products may have minor variations to this specification known as errata
COPYRIGHT INTEL CORPORATION 1995
October 1995
Order Number 272336-003

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8XC52 54 58
Table 1 Proliferations Options
Standard 1 -1 -2 -24
80C32 X X X X
80C52 X X X X
87C52 X X X X
80C54 X X X X
87C54 X X X X
80C58 X X X X
87C58 X X X X
-33
X
X
X
X
X
X
X
NOTES
1 3 5 MHz to 12 MHz 5V g20%
-1 3 5 MHz to 16 MHz 5V g20%
-2 0 5 MHz to 12 MHz 5V g20%
-24 3 5 MHz to 24 MHz 5V g20%
-33 3 5 MHz to 33 MHz 5V g10%
Figure 1 8XC5X Block Diagram
272336 – 1
2

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8XC52 54 58
PROCESS INFORMATION
This device is manufactured on P629 0 a CHMOS
III-E process Additional process and reliability infor-
mation is available in Intel’s Components Quality
and Reliability Handbook Order No 210997
PACKAGES
Part
Prefix
8XC5X
87C5X
8XC5X
8XC5X
P
D
N
S
Package Type
40-Pin Plastic DIP (OTP)
40-Pin CERDIP (EPROM)
44-Pin PLCC (OTP)
44-Pin QFP (OTP)
DIP
272336 – 2
PLCC
272336 – 3
Do not connect reserved pins
QFP
Figure 2 Pin Connections
272336 – 4
3