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PDF C8051 Data sheet ( Hoja de datos )
| Número de pieza | C8051 | |
| Descripción | Legacy-Speed 8-Bit Processor Core | |
| Fabricantes | CAST | |
| Logotipo |  |
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C8051
Legacy-Speed 8-Bit
Processor Core
General Description
The C8051 processor core is a single-chip, 8-bit
microcontroller that executes all ASM51
instructions and has the same instruction set and
timing of the 80C31. On-chip debugging is an
option.
The microcode-free design was developed for
reuse in ASICs and FPGAs. It is strictly
synchronous, with positive-edge clocking
(except for a flip-flop for internal reset and
two flip-flops for gated clocks in the PMU), no
internal tri-states and a synchronous reset.
Scan insertion is therefore straightforward.
Symbol
reset C8051
clk
p0i
p1i
ea p2i
p3i
ale
psen p0o
p1o
clkcpu
clkper
p2o
p3o
clkcpuo
clkpero
ramdatai
ramdatao
sfrdatai
sfrdatao
sfraddr
ramaddr
ramwe
ramoe
sfroe
sfrwe
romdatai
romaddr
romoe
Features
• 8-bit Control Unit
• 8-bit Arithmetic-Logic Unit with 8-bit
multiplication and division
• Instruction decoder
• Four 8-bit Input / Output ports
• Two 16-bit Timer/Counters
• Serial Peripheral Interface in full duplex mode
• Synchronous mode, fixed baud rate
• 8-bit & 9-bit UART mode, variable baud rate
• 9-bit UART mode, fixed baud rate
• Multiprocessor communication
• Two Level Priority Interrupt System
• 5 Interrupt Sources
• Internal Clock prescaler and Phase Generator
• 256 bytes of Read/Write Data Memory Space
• 64KB External Program Memory Space
• 64KB External Data Memory Space
• Services up to 107 External Special Function
Registers
• Power Management Unit supports stop and
idle modes
CAST, Inc.
August 2002
Page 1
1 page  
Related Information
8-bit Embedded Controllers, Intel, 1990
Contact:
Intel Corporation
P.O. Box 7641
Mt. Prospect, IL 60056-7641
Phone: 800-548-4725
URL: http://www.intel.com
Contact Information
CAST, Inc.
11 Stonewall Court
Woodcliff Lake, New Jersey 07677 USA
Phone: +1 201-391-8300
Fax: +1 201-391-8694
E-Mail: [email protected]
URL: www.cast-inc.com
C8051 Core Datasheet
CAST, Inc.
This core developed by the
processor experts at
Evatronix SA
Copyright © 2002 CAST, Inc. ALL RIGHTS RESERVED
August 2002
Page 5
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet C8051.PDF ] | |
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