Motor de Búsqueda de Datasheet de Componentes Electrónicos
Selected language     Spanish  ▼

Delete All
ON OFF
ALLDATASHEET.ES

X  

Preview PDF Download HTML

UPD780138 Datasheet(PDF) 60 Page - NEC

No. de Pieza. UPD780138
Descripción  8-Bit Single-Chip Microcontrollers
Descarga  558 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Fabricante  NEC [NEC]
Página de inicio  http://www.nec.com/
Logo 

UPD780138 Datasheet(HTML) 60 Page - NEC

Zoom Inzoom in Zoom Outzoom out
 60 / 558 page
background image
CHAPTER 3 CPU ARCHITECTURE
User’s Manual U16228EJ2V0UD
60
3.1.4 Data memory addressing
Addressing refers to the method of specifying the address of the instruction to be executed next or the address of
the register or memory relevant to the execution of instructions.
Several addressing modes are provided for addressing the memory relevant to the execution of instructions for the
78K0/KE1, based on operability and other considerations. For areas containing data memory in particular, special
addressing methods designed for the functions of special function registers (SFR) and general-purpose registers are
available for use. Figures 3-9 to 3-16 show correspondence between data memory and addressing. For details of
each addressing mode, refer to 3.4 Operand Address Addressing.
Figure 3-9. Correspondence Between Data Memory and Addressing (
µPD780131)
Special function registers (SFR)
256
× 8 bits
Short direct
addressing
SFR addressing
Internal high-speed RAM
512
× 8 bits
General-purpose registers
32
× 8 bits
Reserved
Internal ROM
8192
× 8 bits
Register addressing
Direct addressing
Register indirect addressing
Based addressing
Based indexed addressing
H
0
0
0
0
H
F
F
F
1
H
0
0
0
2
H
F
F
C
F
H
0
0
D
F
H
F
D
E
F
H
0
E
E
F
H
F
F
E
F
H
0
0
F
F
H
F
F
F
F
H
F
1
E
F
H
0
2
E
F
H
F
1
F
F
H
0
2
F
F


Html Pages

1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20  21  22  23  24  25  26  27  28  29  30  31  32  33  34  35  36  37  38  39  40  41  42  43  44  45  46  47  48  49  50  51  52  53  54  55  56  57  58  59  60  61  62  63  64  65  66  67  68  69  70  71  72  73  74  75  76  77  78  79  80  81  82  83  84  85  86  87  88  89  90  91  92  93  94  95  96  97  98  99  100   ...More


Datasheet Download




Enlace URL




Privacy Policy
ALLDATASHEET.ES
Does ALLDATASHEET help your business so far?  [ DONATE ]  

Todo acerca de Alldatasheet   |   Publicidad   |   Contáctenos   |   Política de Privacidad   |   Favorito   |   Intercambio de Enlaces   |   Lista de Fabricantes
All Rights Reserved© Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn