Moteur de recherche de fiches techniques de composants électroniques
  French  ▼
ALLDATASHEET.FR

X  

Preview PDF HTML

ST20-C1 Fiches technique(PDF) 127 Page - STMicroelectronics

No de pièce ST20-C1
Description  Instruction Set Reference Manual
PDF  205 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST20-C1 Fiches technique(HTML) 127 Page - STMicroelectronics

Back Button ST20-C1 Datasheet HTML 123Page - STMicroelectronics ST20-C1 Datasheet HTML 124Page - STMicroelectronics ST20-C1 Datasheet HTML 125Page - STMicroelectronics ST20-C1 Datasheet HTML 126Page - STMicroelectronics ST20-C1 Datasheet HTML 127Page - STMicroelectronics ST20-C1 Datasheet HTML 128Page - STMicroelectronics ST20-C1 Datasheet HTML 129Page - STMicroelectronics ST20-C1 Datasheet HTML 130Page - STMicroelectronics ST20-C1 Datasheet HTML 131Page - STMicroelectronics Next Button
Zoom Inzoom in Zoom Outzoom out
 127 / 205 page
background image
127/205
8 Instruction Set Reference
®
mac
multiply accumulate
Code: 21 F2
Description: Multiply Areg and Breg, and add in Creg. The most significant word of
the result is placed in Breg and the least significant in Areg. This can be used in
forming the double length product of Areg and Breg, with Creg as carry in, treating
the Areg and Breg values as signed but Creg as unsigned.
Definition:
Areg
′← low_word (accum64)
Breg
′← high_word (accum64)
Creg
′← Areg
where
accum64
= (Breg × Areg) + Creg
unsigned
–
the value of accum64 is calculated as a 64-bit value
Status Register:
No effect
Comments:
Secondary instruction.
See also:
ldiv mul umac
Chapter 5
.



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


Fiches technique Télécharger

Go To PDF Page


Lien URL



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

À propos de Alldatasheet   |   Publicité   |   Contactez-nous   |   Politique de confidentialité   |   Lien vers la fiche technique    |   Echange de liens   |   Fabricants
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
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com