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8XL52 데이터시트 PDF




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부품번호 8XL52 기능
기능 LOW VOLTAGE CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLERS
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8XL52 데이터시트, 핀배열, 회로
8XL52 54 58
LOW VOLTAGE
CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLERS
Commercial Express
87L52 80L52 87L54 80L54 87L58 80L58
Y High Performance CHMOS OTP ROM
Y 6 Interrupt Sources
Y Low Voltage Operation
Y Four Level Interrupt Priority
Y 20 MHz Commercial 16 MHz Express
Operation
Y Three 16-Bit Timer Counters
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 Programmable Serial Channel with
Framing Error Detection
Automatic Address Recognition
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 Extended Temperature Range
(b40 C to a85 C)
MEMORY ORGANIZATION
OTP ROM
Version
87L52
87L54
87L58
ROM
Version
80L52
80L54
80L58
ROM
OTP ROM
Bytes
8K
16K
32K
RAM
Bytes
256
256
256
These devices can address up to 64 Kbytes of external program data memory
The Intel 8XL52 8XL54 8XL58 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 microcontroller family the 8XL52 8XL54
8XL58 uses the same powerful instruction set has the same architecture and is pin-for-pin compatible with
the existing MCS 51 microcontroller products
The 8XL5X is a 3V version of current 8XC5X and will operate from 2 7V to 3 6V at a frequency range of
3 5 MHz to 16 MHz (Express) 20 MHz (Commercial)
For the remainder of this document the 8XL52 8XL54 8XL58 will be referred to as the 8XL5X 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
November 1994
Order Number 272468-002




8XL52 pdf, 반도체, 판매, 대치품
8XL52 54 58
PIN DESCRIPTIONS
VCC Supply voltage
VSS Circuit ground
Port 0 Port 0 is an 8-bit open drain bidirectional I O
port As an output port each pin can sink several
inputs Port 0 pins that have 1’s written to them float
and in that state can be used as high-impedance
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 inputs
Port 0 also receives the code bytes during OTP
ROM programming and outputs the code bytes dur-
ing program verification External pullup resistors are
required 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
several 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 8XL5X
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
OTP ROM 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
several 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 OTP ROM programming and program verifi-
cation
Port 3 Port 3 is an 8-bit bidirectional I O port with
internal pullups The Port 3 output buffers can drive
several 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 MCS-51 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 VIH2 voltage is applied wheth-
er the oscillator is running or not An internal pull-
down resistor permits a power-on reset with only a
capacitor connected to VCC
4

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8XL52 전자부품, 판매, 대치품
8XL52 54 58
8XL5X 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 70 C With the extend-
ed temperature range option operational character-
istics are guaranteed over the range of b40 C to
a85 C
Package types and EXPRESS versions are identified
by a one- or two-letter prefix to the part number The
prefixes are listed in Table 2
For the extended temperature range option this
data sheet specifies the parameters which deviate
from their commercial temperature range limits
Table 2 Prefix Identification
Prefix
Package
Type
Temperature
Range
N
PLCC
Commercial
S
QFP
Commercial
TN PLCC
Extended
TS QFP
Extended
NOTE
Contact your distributor or local sales office to match the
EXPRESS prefix with the proper device
EXAMPLES
N87L51FC indicates 87L51FC in a PLCC package and
specified for commercial temperature range without burn-
in
TN87L51FC indicates 87L51FC in a PLCC package
and specified for extended temperature range with
burn-in
7

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LOW VOLTAGE CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLERS

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