........................................................................................................

PINOUT 486 & 586

 


Microprocesador 486 . 169 pines - 17x17 Pin arreglo en grilla.

    1   2   3   4   5   6   7   8   9   10  11  12  13  14  15  16  17
  |-------------------------------------------------------------------|
S | o   o   o   o   o   o   o   o   o   o   o   o   o   o   o   o   o |
  |                                                                   |
R | o   o   o   o   o   o   o   o   o   o   o   o   o   o   o   o   o |
  |                                                                   |
Q | o   o   o   o   o   o   o   o   o   o   o   o   o   o   o   o   o |
  |                -----------------------------------                |
P | o   o   o    /                                         o   o   o |
  |            /                                                     |
N | o   o   o |                                           | o   o   o |
  |           |                                           |           |
M | o   o   o |                                           | o   o   o |
  |           |                                           |           |
L | o   o   o |                                           | o   o   o |
  |           |                                           |           |
K | o   o   o |                                           | o   o   o |
  |           |                BOTTOM VIEW                |           |
J | o   o   o |                (pin side)                 | o   o   o |
  |           |                                           |           |
H | o   o   o |                                           | o   o   o |
  |           |                                           |           |
G | o   o   o |                                           | o   o   o |
  |           |                                           |           |
F | o   o   o |                                           | o   o   o |
  |           |                                           |           |
E | o   o   o |                                           | o   o   o |
  |                                                     /            |
D | o   o   o   o                                     /    o   o   o |
  |                -----------------------------------                |
C | o   o   o   o   o   o   o   o   o   o   o   o   o   o   o   o   o |
  |                                                                   |
B | o   o   o   o   o   o   o   o   o   o   o   o   o   o   o   o   o |
  |                                                                   |
A  o   o   o   o   o   o   o   o   o   o   o   o   o   o   o   o   o |
   ------------------------------------------------------------------|
    1   2   3   4   5   6   7   8   9   10  11  12  13  14  15  16  17

 

PIN Funcion
A2 - A31 Direccion pins.
A20M# Direccion bit 20 Mascara pin.
ADS# Direccion estatus.
AHOLD Direccion parada.
BE0 - BE3# Byte activar pins.
BLAST# Burst Ultimo.
BOFF# Retorno Entrada.
BRDY# Burst Listo.
BRDYC# Cache Burst Listo.
BREQ Bus Requerimiento.
BS8# Bus Tamaño 8.
BS16# Bus Tamaño 16.
CACHE# Cache.
CLK Reloj Entrada Provee tiempo fundamental para el procesador.
CLKMUL Clock Multiplier pin (Bus Frecuencia).
Usualmente 2.0x or 3.0x, though it can be 2.5x or 4.0x, depending on the chip.
D0 - D31 Data pins.
D/C# Data/Codigo. Primario bus cycle definicion pin.
DP0 - DP3 Data Paridad pins.
EADS# External Direccion Strobe.
FERR# Coma Flotante Error.
FLUSH# Cache Flush.
HITM# Hit to a Modificar linea.
HLDA Para comprendida.
HOLD Bus Parada requerimiento.
IGNNE# Ignorar Numero de Error.
INTR Mascara habilitada Interruptor.
INV Invalido.
INVAL Invalido.
KEN# Cache Habilitada.
KEY Key pin. Non-functional pin a prevenir incorrecto CPU insercion.
LOCK# Bus Asegurado.
M/IO# Memoria/Input-Output. Primaria bus ciclo definicion pin.
MP# Math-coprocessor Presente. Cuando es bajada la tension, el procesador entra en bajada de fuente tri estado modo, permitiendo que el  math-coprocessor tomar control.
NMI Non-Mascara habilitada Interruptor.
PCD Pagina Cache Disabilitada.
PCHK# Paridad Estatus.
PLOCK# Pseudo-Asegurado.
PWT Pagigina Escrita-Through.
RDY# No-burst Listo.
RESET Reset.
RPLSET0 ?.
RPLSET1 ?.
RPLVAL# ?.
SMADS# Sistema de Manejo Interruptor Direccion Strobe.
SMI# Sistema de Manejo Interruptor Permite al prcesador entrar en un modo de manejo..
SMIACT# Sistema Management Interrupt Activo. Indica que el procesaro esta en el sistema
SRESET Soft Reset.
STPCLK# Parada Reloj.
SUSP# Suspendido. Mismo que STPCLK#.
SUSPA# ?.
TCK Prueba Reloj.
TDI Prueba Data Input.
TDO Prueba Data Output.
TEST Prueba pin.
TMS Prueba Modo Seleccionado.
UP# Actualizacion presente. Cuando la tension es baja, el procesador entra en poder bajo tri modo estado, permitiendo que la actualizacion tome el control..
VOLDET Voltage Detectado.
WB/WT# Escribir-Back / Escribir-Through.
WM_RST Warm Reset.
W/R Escribir / Leer.

Microprocessor 586 - 321 pins - 19x19 (37x37) Staggered Pin Grid Array. Only the AMD K6 has this feature.

                               CORE voltage | I/O voltage
                               plane (Vcc2) | plane (Vcc3)
                                            |
     1   3   5   7   9   11  13  15  17  19 |21  23  25  27  29  31  33  35  37
       2   4   6   8   10  12  14  16  18  20  22  24  26  28  30  32  34  36
   |----------------------------------------|----------------------------------|
AN | o   o   o   o   o   o   o   o   o   o  |o   o   o   o   o   o   o   o   o | AN
AM |   o   o   o   o   o   o   o   o   o   o|  o   o   o   o   o   o   o   o   | AM
AL | o   o   o   o   o   o   o   o   o   o__|o   o   o   o   o   o   o   o   o | AL
AK |   o   o   o   o   o   o   o   o   o|  o   o   o   o   o   o   o   o   o   | AK
AJ | o   o   o   o   o   o   o   o   o  |o   o   o   o   o   o   o   o   o   o | AJ
AH |   o   o       ---------------------|-----------------------   x   o   o   | AH
AG | o   o   o   /                      |                           o   o   o | AG
AF |   o   o    /                       |                             o   o   | AF
AE | o   o   o |                        |                          | o   o   o | AE
AD |   o   o   |                        |                          |   o   o   | AD
AC | o   o   o |                        |                          | o   o   o | AC
AB |   o   o   |                        |                          |   o   o   | AB
AA | o   o   o |                        |                          | o   o   o | AA
Z  |   o   o   |                        |                          |   o   o   | Z
Y  | o   o   o |                        |                          | o   o   o | Y
X  |   o   o   |                        |                          |   o   o   | X
W  | o   o   o |                        |                          | o   o   o | W
V  |   o   o   |                    BOTTOM VIEW                    |   o   o   | V
U  | o   o   o |                    (pin side)                     | o   o   o | U
T  |   o   o   |                        |                          |   o   o   | T
S  | o   o   o |                        |                          | o   o   o | S
R  |   o   o   |                        |                          |   o   o   | R
Q  | o   o   o |                        |                          | o   o   o | Q
P  |   o   o   |                        |                          |   o   o   | P
N  | o   o   o |                        |                          | o   o   o | N
M  |   o   o   |                        |                          |   o   o   | M
L  | o   o   o |                        |                          | o   o   o | L
K  |   o   o   |                        |                          |   o   o   | K
J  | o   o   o |                        |                          | o   o   o | J
H  |   o   o                           |                         /    o   o   | H
G  | o   o   o                         |                        /   o   o   o | G
F  |   o   o   o   ---------------------|-----------------------       o   o   | F
E  | o   o   o   o   o   o   o   o   o  |o   o   o   o   o   o   o   o   o   o | E
D  |   o   o   o   o   o   o   o   o   o|  o   o   o   o   o   o   o   o   o   | D
C  | o   o   o   o   o   o   o   o   o  |o   o   o   o   o   o   o   o   o   o | C
B  |   o   o   o   o   o   o   o   o   o|  o   o   o   o   o   o   o   o   o   | B
A       o   o   o   o   o   o   o   o  |o   o   o   o   o   o   o   o   o   o | A
     ----------------------------------|--------------------------------------|
     1   3   5   7   9   11  13  15  17 |19  21  23  25  27  29  31  33  35  37
       2   4   6   8   10  12  14  16  18  20  22  24  26  28  30  32  34  36
                                        |
                           CORE voltage | I/O voltage
                           plane (Vcc2) | plane (Vcc3)

Common Pin Designations

A3 - A31 Address pins.
A20M# Address bit 20 Mask pin.
ADS# Address Status.
ADSC# Cache Address Strobe. Functionally the same as ADS#.
AP Address Parity.
APCHK# Address Parity Check.
BE0# - BE7# Byte Enable pins.
BF0 - BF2 Bus Frequency clock multiplier (bus to core frequency ratio).
1.5x and 2.0x when only BF0 is present.
1.5x, 2.0x, 2.5x, and 3.0x when BF0 and BF1 are present.
2.0x, 2.5x, 3.0x, 3.5x, 4.0x, 4.5x, 5.0x, and 5.5x when BF0, BF1, and BF2 are present.
[ Note: What multipliers are available is entirely dependent on the processor itself. ]
BOFF# Back off input.
BRDY# Burst Ready.
BRDYC# Cache Burst Ready. Functionally the same as BRDY#.
BREQ Bus Request.
BUSCHK# Bus Check.
CACHE# Cache.
CLK Clock input. Provides fundamental timing for the processor.
D/C# Data/Code. Primary bus cycle definition pin.
D0 - D63 Data pins.
DP0 - DP7 Data Parity pins.
EADS# External Address.
EWBE# External Write Buffer Empty.
FERR# Floating Point Error.
FLUSH# Cache flush.
HIT# Hit. Reflects the outcome of an inquire cycle.
HITM# Hit to a Modified line. Reflects outcome of an inquire cycle.
HLDA Bus Hold Acknowledge.
HOLD Bus Hold request.
IERR# Internal Error. Indicates parity or functional redundancy errors.
IGNNE# Ignore Numeric Error.
INIT Processor Initialization pin.
INTR/LINT0 Active mask able Interrupt. If APIC is enabled, this becomes LINT0.
INV Invalidation. Determines final cache line state.
KEN# Cache Enable.
LOCK# Bus Lock. Indicates that the current bus cycle is locked.
M/IO# Memory Input-Output. Primary bus cycle definition pin.
NA# Next Address. Indicates external memory system is ready to accept a new bus cycle.
NMI/LINT1 Non-Mask able Interrupt. If APIC is enabled, this becomes LINT1.
PCD Page Cache Disable.
PCHK# Parity Check.
PEN# Parity Enable.
PM0 - PM1 Performance Monitoring pins. Can also act as BreakPoint pins BP0 and BP1.
PRDY Probe Ready.
PWT Page Write Through.
R/S# Run/Stop. Places processor in an idle state.
RESET Reset.
SCYC Split Cycle.
SMI# System Management Interrupt. Allows processor to enter System Management Mode.
SMIACT# System Management Interrupt Active. Indicates that processor is in System Management Mode.
STPCLK# Stop Clock. Stops internal clock of processor causing core to consume less power.
TCK Testability Clock. Used to clock state information and data into and out of the processor during boundary scan.
TDI Test Data Input. Serial input for the test logic.
TDO Test Data Output. Serial output for the test logic.
TMS Test Mode Select.
TRST# Test Reset.
Vcc2DET Vcc2 Detect. Identifies processor that require a lower core voltage.
W/R# Write/Read. Primary bus cycle definition pin.
WB/WT# Write Back/Write Through. Allows data cache to be defined as write-back or write-through.


AMD Specific Pin Designations

KEY Key pin. Non-functional pin to prevent CPU insertion into a Socket 5 motherboard.
Vcc2H/L# Identifies core voltage of the K6 processor (model 7, 8, and 9 chips). AMD states:
"Upon sampling VCC2DET Low to identify dual-voltage processor requirements, system logic should sample Vcc2H/L# to identify the core voltage requirements for 2.9v and 3.2v products (High) and 2.2v products (Low)."

La informacion original fue encontrada aqui  http://users.erols.com/chare/486pin.htm (este link esta roto).


 


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