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PDF P83C151SA Data sheet ( Hoja de datos )
| Número de pieza | P83C151SA | |
| Descripción | High Performance CHMOS Microcontroller | |
| Fabricantes | Intel | |
| Logotipo |  |
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8XC151SA SB
HIGH-PERFORMANCE
CHMOS MICROCONTROLLER
Commercial Express
Y MCS 51 Microcontroller Compatible
Instruction Set
Y Pin Compatible with 44-lead PLCC and
40-lead PDIP MCS 51 Sockets
Y Power Management
Idle Mode
Powerdown Mode
Y 32 Programmable I O Lines
Y Fast Instruction Pipeline
Y Seven Maskable Interrupt Sources with
Y 16-bit Internal Code Fetch
Y 8-bit Min 2-clock External Code Fetch
in Page Mode
mY User-selectable Configurations
External Wait States (0-3 wait states)
oPage Mode
.cY 64K External Code Memory Space
Y 64K External Data Memory Space
Y ROM OTPROM Options
U8 Kbytes (SA) 16 Kbytes (SB)
or without ROM OTPROM
t4Y 256 Bytes On-Chip RAM
Four Programmable Priority Levels
Y Three Flexible 16-bit Timer counters
Y Hardware Watchdog Timer
Y Programmable Counter Array
High-speed Output
Compare Capture Operation
Pulse Width Modulator
Watchdog Timer
Y Programmable Serial I O Port
Framing Error Detection
Automatic Address Recognition
Y High-performance CHMOS Technology
Y Static Standby to 16-MHz Operation
Y Package Options (PDIP PLCC)
eeThe 8XC151SA SB has an MCS 51 microcontroller compatible instructon set It is available in 40-pin PDIP and
44-lead PLCC compatible with the MCS 51 microcontroller The 8XC151SA SB has 256 bytes of on-chip RAM
hand is available in 8 16 Kbytes of on-chip ROM OTPROM or without ROM OTPROM A variety of new
features such as programmable wait states page mode and extended ALE can be selected using the new
www.DataSuser-programmable configuration
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
www.DataSheet4U.comOrder Number 272814-001
1 page  
8XC151SA SB HIGH-PERFORMANCE CHMOS MICROCONTROLLER
Figure 3 8XC151SA SB 44-Lead PLCC Package
272814 – 3
5
5 Page 
8XC151SA SB HIGH-PERFORMANCE CHMOS MICROCONTROLLER
Table 7 Signal Descriptions (Continued)
Signal
Name
Type
Description
Multiplexed
With
VSS
VSS1
GND
GND
Circuit Ground Connect this pin to ground
Secondary Ground This ground is provided to reduce ground bounce
and improve power supply bypassing Connection of this pin to ground
is recommended However when using the 8XC151SA SB as a pin-
for-pin replacement for the 8XC51BH VSS1 can be unconnected
without loss of compatibility (Not available on DIP)
VSS2
GND
Secondary Ground 2 This ground is provided to reduce ground
bounce and improve power supply bypassing Connection of this pin to
ground is recommended However when using the 8XC151SA SB as
a pin-for-pin replacement for the 8XC51FX VSS2 can be unconnected
without loss of compatibility (Not available on DIP)
WR O Write Write signal output to external memory
P3 6
XTAL1 I Input to the On-chip Inverting Oscillator Amplifier To use the
internal oscillator a crystal resonator circuit is connected to this pin If
an external oscillator is used its output is connected to this pin XTAL1
is the clock source for internal timing
XTAL2 O Output of the On-chip Inverting Oscillator Amplifier To use the
internal oscillator a crystal resonator circuit is connected to this pin If
an external oscillator is used leave XTAL2 unconnected
The descriptions of A15 8 P2 7 0 and AD7 0 P0 7 0 are for the nonpage-mode chip configuration (compatible with
44-lead PLCC and 40-pin DIP MCS 51 microcontrollers) If the chip is configured for page-mode operation port 0 carries
the lower address bits (A7 0) and port 2 carries the upper address bits (A15 8) and the data (D7 0)
11
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| PDF Descargar | [ Datasheet P83C151SA.PDF ] | |
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