DataSheet.es    


PDF UPD8085A-2 Data sheet ( Hoja de datos )

Número de pieza UPD8085A-2
Descripción Single Chip 8-BIT N-CHANNEL MICROPROCESSOR
Fabricantes NEC 
Logotipo NEC Logotipo



Hay una vista previa y un enlace de descarga de UPD8085A-2 (archivo pdf) en la parte inferior de esta página.


Total 13 Páginas

No Preview Available ! UPD8085A-2 Hoja de datos, Descripción, Manual

NEe Microcomputers, Inc.
fLPD8085A SINGLE CHIP 8·BIT
N·CHANNEL MICROPROCESSOR
NEe
JLPD8085A
JLPD8085A-2
DESC RIPT ION
The j.LPD8085A is a single chip B-bit microprocessor which is 100 percent software
compatible with the industry standard 8080A_ It has the ability of increasing system
performance of the industry standard 8080A by operating at a higher speed. Using
the j.LPD80B5A in conjunction with its family of ICs allows the designer complete
flexibility with minimum chip count.
FEATURES
Single Power Supply: +5Volt,±10%
• Internal Clock Generation and
System Control
• Internal Serial In/Out Port.
• Fully TTL Compatible
• Internal 4-Level Interrupt Structure
• Multiplexed Address/Data Bus for
Increased System Performance
• Complete Family of Components for
Design Flexibility
• Software Compatible with Industry Standard 8080A
• Higher Throughput: j.LPD8085A - 3 MHz
j.LPD80B5A-2 - 5 MHz
• Available in Either Plastic or Ceramic Package
PIN CONFIGURATION
Xl
X2
RO
SOD
SID
TRAP
RST 7.5
RST 6.5
RST 5.5
INTR
INTA
ADO
ADl
AD2
AD3
AD4
AD5
ADS
AD7
VSS
"PO
8085A
Vee
HOLD
HLDA
eLK lOUT)
RESET IN
READY
loiM
Sl
RD
WR
ALE
So
A15
A14
A13
A12
All
AlO
Ag
AS
REV/2
EI
397

1 page




UPD8085A-2 pdf
TIMING WAVEFORMS
(CaNT.)
T1
ClK
WRITE OPERATION
TWAIT
,.,.PD8085A
T1
ALE
WR--r---t---~~~-+-------
READY
HOLD OPERATION
ClK
HOlD+_ _ _.IJ
H l D A +_ _ _ _ _ _ _ _ _ _~------~~_.u
INTERRUPT TIMING
T1
II
'HABE~~+-_ _ _ _ _ __ _ _
.-I+-:t-_r.,... 'HDH
JHlDA-----~t~H-A-C-K==1,
tHAlF
~~~-
,~--- _
No'e:G)IO/iiii is also floating during this ti.....
401

5 Page





UPD8085A-2 arduino
p.PD8085A
INSTRUCTION CYCLE
TIMES
One to five machine cycles (Ml - M5) are required to execute an instruction. Each
machine cycle involves the transfer of an instruction or data byte into the processor or
a transfer of a data byte out of the processor (the sole exception being the double add
instruction). The first one, two or three machine cycles obtain the instruction from the
memory or an interrupting I/O controller. The remaining cycles are used to execute the
instruction. Each machine cycle requires from three to five clock times (Tl - T5).
Machine cycles and clock states used for each type of instruction are shown below.
INSTRUCTION
TYPE
ALU R
CMC
CMA
DAA
DCR R
DI
EI
INR R
MOV R, R
NOP
ROTATE
RIM
SIM
STC
XCHG
HLT
DCX
INX
PCHL
RETCOND.
SPHL
ALU I
ALU M
JNC
LDAX
MVI
MOV M, R
MOV R, M
STAX
CALL CONDo
DAD
DCR M
IN
INR M
JMP
LOAD PAIR
MVIM
OUT
POP
RET
PUSH
RST
LDA
STA
LHLD
SHLD
XTHL
CALL
MACHINE CYCLES EXECUTED
MIN/MAX
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1/3
1
2
2
2/3
2
2
2
2
2
2/5
3
3
3
3
3
3
3
3
3
3
3
3
4
4
5
5
5
5
CLOCK STATUS
MIN/MAX
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
5
6
6
6
6/12
6
7
7
7/10
7
7
7
7
7
9/18
10
10
10
10
10
10
10
10
10
10
12
12
13
13
16
16
16
18
II
407

11 Page







PáginasTotal 13 Páginas
PDF Descargar[ Datasheet UPD8085A-2.PDF ]




Hoja de datos destacado

Número de piezaDescripciónFabricantes
UPD8085A-2Single Chip 8-BIT N-CHANNEL MICROPROCESSORNEC
NEC

Número de piezaDescripciónFabricantes
SLA6805M

High Voltage 3 phase Motor Driver IC.

Sanken
Sanken
SDC1742

12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters.

Analog Devices
Analog Devices


DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares,
permitiéndote verlos en linea o descargarlos en PDF.


DataSheet.es    |   2020   |  Privacy Policy  |  Contacto  |  Buscar