Moteur de recherche de fiches techniques de composants électroniques
Selected language     French  ▼
Nom de la pièce
         Description


S3C4530A Datasheet(Fiches technique) 35 Page - Samsung semiconductor

Numéro de pièce S3C4530A
Description  16/32-bit RISC microcontroller is a cost-effective, high-performance microcontroller
Télécharger  432 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Fabricant  SAMSUNG [Samsung semiconductor]
Site Internet  http://www.samsung.com/Products/Semiconductor
Logo 

 35 page
background image
S3C4530A
PROGRAMMER'S MODEL
2-9
The Condition Code Flags
The N, Z, C and V bits are the condition code flags. These may be changed as a result of arithmetic and logical
operations, and may be tested to determine whether an instruction should be executed.
In ARM state, all instructions may be executed conditionally: see Table 3-2 for details.
In THUMB state, only the branch instruction is capable of conditional execution: see Figure 3-46 for details.
The Control Bits
The bottom 8 bits of a PSR (incorporating I, F, T and M[4:0]) are known collectively as the control bits. These will
change when an exception arises. If the processor is operating in a privileged mode, they can also be
manipulated by software.
The T bit
This reflects the operating state. When this bit is set, the processor is executing in
THUMB state, otherwise it is executing in ARM state. This is reflected on the TBIT
external signal.
Note that the software must never change the state of the TBIT in the CPSR. If this
happens, the processor will enter an unpredictable state.
Interrupt disable bits
The I and F bits are the interrupt disable bits. When set, these disable the IRQ and
FIQ interrupts respectively.
The mode bits
The M4, M3, M2, M1 and M0 bits (M[4:0]) are the mode bits. These determine the
processor
′s operating mode, as shown in Table 2-1. Not all combinations of the
mode bits define a valid processor mode. Only those explicitly described shall be
used. The user should be aware that if any illegal value is programmed into the
mode bits, M[4:0], then the processor will enter an unrecoverable state. If this
occurs, reset should be applied.




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



Numéro de composants électroniques

Numéro de pièceDescription des composantsHtml ViewFabricant
S3C380DSamsung S3C380D 16/32-bit RISC microcontroller is a cost-effective and high-performance microcontroller solution for TV applications. 1 2 3 4 5 MoreSamsung semiconductor
S3C4510BSamsungs S3C4510B 16/32-bit RISC microcontroller is a cost-effective high-performance microcontroller solution for Ethernet-based systems. 1 2 3 4 5 MoreSamsung semiconductor
S3C2510A16/32-bit RISC micro-controller is a cost-effective high-performance micro-controller solution for Ethernet-based systems for example 1 2 3 4 5 MoreSamsung semiconductor
KS57C5404The KS57C5404 single-chip CMOS microcontroller is designed for high-performance using Samsungs newest 4-bit CPU core SAM47 Samsung Arrangeable Micro 1 2 3 4 5 MoreSamsung semiconductor
8XC251SAHIGH-PERFORMANCE CHMOS MICROCONTROLLER 1 2 3 4 5 MoreIntel Corporation
TMS470R1B1M16/32-Bit RISC Flash Microcontroller 1 2 3 4 5 MoreTexas Instruments
KS57C5532The KS57C5532/P5532 single-chip CMOS microcontroller has been designed for high-performance using Samsungs newest 4-bit CPU core SAM47 Samsung Arran 1 2 3 4 5 MoreSamsung semiconductor
8XC251TAHIGH-PERFORMANCE CHMOS MICROCONTROLLER 1 2 3 4 5 MoreIntel Corporation
HD6413002High-performance single-chip microcontroller 1 2 3 4 5 MoreRenesas Technology Corp

Lien URL

AllDATASHEET vous a-t-il été utile ?   [ DONATE ]  

À propos de Alldatasheet   |   Publicité   |   Contactez-nous   |   Politique de confidentialité   |   Favoris   |   Echange de liens   |   Fabricants
All Rights Reserved © Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  , 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