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8XL51FA 데이터시트 PDF




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부품번호 8XL51FA 기능
기능 LOW VOLTAGE CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLERS
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8XL51FA 데이터시트, 핀배열, 회로
8XL51FA FB FC
LOW VOLTAGE
CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLERS
Commercial Express
87L51FA 83L51FA 80L51FA 87L51FB 83L51FB 87L51FC 83L51FC
Y High Performance CHMOS OTP ROM
ROM CPU
Y Low Voltage Operation
Y 20 MHz Commercial 16 MHz Express
Operation
Y Three 16-Bit Timer Counters
Y Programmable Counter Array with
High Speed Output
Compare Capture
Pulse Width Modulator
Watchdog Timer Capabilities
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 7 Interrupt Sources
Y Four Level Interrupt Priority
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
ROM
Device
83L51FA
83L51FB
83L51FC
OTP ROM
Version
87L51FA
87L51FB
87L51FC
ROMLESS
Version
80L51FA
80L51FA
80L51FA
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 8XL51FA 8XL51FB 8XL51FC 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
8XL51FA 8XL51FB 8XL51FC uses the same powerful instruction set has the same architecture and is pin-
for-pin compatible with the existing MCS 51 microcontroller products
The 8XL51FX is a 3V version of current 8XC51FX 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 8XL51FA 8XL51FB 8XL51FC will be referred to as the 8XL51FX
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 272356-003




8XL51FA pdf, 반도체, 판매, 대치품
8XL51FA FB FC
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 8XL51FX
Port Pin
P1 0
P1 1
P1 2
P1 3
P1 4
P1 5
P1 6
P1 7
Alternate Function
T2 (External Count Input to Timer
Counter 2) Clock Out
T2EX (Timer Counter 2 Capture
Reload Trigger and Direction Control)
ECI (External Count Input to the PCA)
CEX0 (External I O for Compare
Capture Module 0)
CEX1 (External I O for Compare
Capture Module 1)
CEX2 (External I O for Compare
Capture Module 2)
CEX3 (External I O for Compare
Capture Module 3)
CEX4 (External I O for Compare
Capture Module 4)
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 microcontroller 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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8XL51FA 전자부품, 판매, 대치품
8XL51FA FB FC
8XL51FX 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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8XL51FA

LOW VOLTAGE CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLERS

Intel Corporation
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