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기능 CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER
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8XC58 데이터시트, 핀배열, 회로
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 Except
for 33 MHz Offering (b40 C to a85 C)
MEMORY ORGANIZATION
ROM
Device
EPROM
Version
ROMless
Version
ROM EPROM
Bytes
80C52
80C54
80C58
87C52
87C54
87C58
80C32
80C32
80C32
8K
16K
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 1996
March 1996
Order Number 272336-004




8XC58 pdf, 반도체, 판매, 대치품
8XC52 54 58
PIN DESCRIPTIONS
VCC Supply voltage
VSS Circuit ground
VSS1 Secondary ground (not on DIP) Provided to
reduce ground bounce and improve power supply
by-passing
NOTE
This pin is not a substitute for the VSS pin (pin 22)
(Connection not necessary for proper operation )
Port 0 Port 0 is an 8-bit open drain bidirectional
I O port As an output port each pin can sink several
LS TTL inputs Port 0 pins that have 1’s written to
them float and in that state can be used as high-im-
pedance inputs
Port 0 is also the multiplexed low-order address and
data bus during accesses to external Program and
Data Memory In this application it uses strong inter-
nal pullups when emitting 1’s and can source and
sink several LS TTL inputs
Port 0 also receives the code bytes during EPROM
programming and outputs the code bytes during
program verification External pullup resistors are re-
quired during program verification
Port 1 Port 1 is an 8-bit bidirectional I O port with
internal pullups The Port 1 output buffers can drive
LS TTL inputs Port 1 pins that have 1’s written to
them are pulled high by the internal pullups and in
that state can be used as inputs As inputs Port 1
pins that are externally pulled low will source current
(IIL on the data sheet) because of the internal pull-
ups
In addition Port 1 serves the functions of the follow-
ing special features of the 8XC5X
Port Pin
P1 0
P1 1
Alternate Function
T2 (External Count Input to Timer
Counter 2) Clock-Out
T2EX (Timer Counter 2 Capture
Reload Trigger and Direction Control)
Port 1 receives the low-order address bytes during
EPROM programming and verifying
Port 2 Port 2 is an 8-bit bidirectional I O port with
internal pullups The Port 2 output buffers can drive
LS TTL inputs Port 2 pins that have 1’s written to
them are pulled high by the internal pullups and in
that state can be used as inputs As inputs Port 2
pins that are externally pulled low will source current
(IIL on the data sheet) because of the internal pull-
ups
Port 2 emits the high-order address byte during
fetches from external Program Memory and during
accesses to external Data Memory that use 16-bit
addresses (MOVX DPTR) In this application it
uses strong internal pullups when emitting 1’s Dur-
ing accesses to external Data Memory that use 8-bit
addresses (MOVX Ri) Port 2 emits the contents of
the P2 Special Function Register
Some Port 2 pins receive the high-order address bits
during EPROM programming and program verifica-
tion
Port 3 Port 3 is an 8-bit bidirectional I O port with
internal pullups The Port 3 output buffers can drive
LS TTL inputs Port 3 pins that have 1’s written to
them are pulled high by the internal pullups and in
that state can be used as inputs As inputs Port 3
pins that are externally pulled low will source current
(IIL on the data sheet) because of the pullups
Port 3 also serves the functions of various special
features of the 8051 Family as listed below
Port Pin
Alternate Function
P3 0
P3 1
P3 2
P3 3
P3 4
P3 5
P3 6
P3 7
RXD (serial input port)
TXD (serial output port)
INT0 (external interrupt 0)
INT1 (external interrupt 1)
T0 (Timer 0 external input)
T1 (Timer 1 external input)
WR (external data memory write strobe)
RD (external data memory read strobe)
RST Reset input A high on this pin for two machine
cycles while the oscillator is running resets the de-
vice The port pins will be driven to their reset condi-
tion when a minimum VIHI voltage is applied whether
the oscillator is running or not An internal pulldown
resistor permits a power-on reset with only a capaci-
tor connected to VCC
ALE Address Latch Enable output pulse for latching
the low byte of the address during accesses to ex-
ternal memory This pin (ALE PROG) is also the
program pulse input during EPROM programming for
the 87C5X
In normal operation ALE is emitted at a constant
rate of the oscillator frequency and may be used
for external timing or clocking purposes Note how-
ever that one ALE pulse is skipped during each ac-
cess to external Data Memory
4

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8XC58 전자부품, 판매, 대치품
8XC52 54 58
8XC5X EXPRESS
The Intel EXPRESS system offers enhancements to
the operational specifications of the MCS 51 family
of microcontrollers These EXPRESS products are
designed to meet the needs of those applications
whose operating requirements exceed commercial
standards
The EXPRESS program includes the commercial
standard temperature range with burn-in and an ex-
tended temperature range with or without burn-in
With the commercial standard temperature range
operational characteristics are guaranteed over the
temperature range of 0 C to a70 C With the ex-
tended temperature range option operational char-
acteristics are guaranteed over the range of b40 C
to a85 C
The optional burn-in is dynamic for a minimum time
of 168 hours at 125 C with VCC e 6 9V g0 25V
following guidelines in MIL-STD-883 Method 1015
Package types and EXPRESS versions are identified
by a one- or two-letter prefix to the part number The
prefixes are listed in Table 3
For the extended temperature range option this
data sheet specifies the parameters which deviate
from their commercial temperature range limits
NOTE
Intel offers Express Temperature specifica-
tions for all 8XC5X speed options except for
33 MHz
Prefix
P
D
N
S
TP
TD
TN
TS
LP
LD
LN
LS
Table 3 Prefix Identification
Package
Type
Temperature
Range
Plastic
Commercial
Cerdip
Commercial
PLCC
Commercial
QFP
Commercial
Plastic
Extended
Cerdip
Extended
PLCC
Extended
QFP
Extended
Plastic
Extended
Cerdip
Extended
PLCC
Extended
QFP
Extended
Burn-In
No
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
NOTE
Contact distributor or local sales office to match EXPRESS prefix with proper device
EXAMPLES
P80C52 indicates 80C52 in a plastic package and specified for commercial temperature range without burn-in TD80C52
indicates 80C52 in a Cerdip package and specified for extended temperature range without burn-in
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