Datenblatt-Suchmaschine für elektronische Bauteile
  German  ▼
ALLDATASHEETDE.COM

X  

Preview PDF HTML

H8SX/1663R Datenblatt(PDF) 318 Page - Renesas Technology Corp

Teilenummer H8SX/1663R
Bauteilbeschribung  Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series
PDF  1504 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Hersteller  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H8SX/1663R Datenblatt(HTML) 318 Page - Renesas Technology Corp

Back Button H8SX/1663R Datasheet HTML 314Page - Renesas Technology Corp H8SX/1663R Datasheet HTML 315Page - Renesas Technology Corp H8SX/1663R Datasheet HTML 316Page - Renesas Technology Corp H8SX/1663R Datasheet HTML 317Page - Renesas Technology Corp H8SX/1663R Datasheet HTML 318Page - Renesas Technology Corp H8SX/1663R Datasheet HTML 319Page - Renesas Technology Corp H8SX/1663R Datasheet HTML 320Page - Renesas Technology Corp H8SX/1663R Datasheet HTML 321Page - Renesas Technology Corp H8SX/1663R Datasheet HTML 322Page - Renesas Technology Corp Next Button
Zoom Inzoom in Zoom Outzoom out
 318 / 1504 page
background image
Section 9 Bus Controller (BSC)
Rev. 2.00 Sep. 24, 2008 Page 286 of 1468
REJ09B0412-0200
9.10.8
Controlling Precharge Cycle
The number of precharge cycles (Tp) can be selected from one to four clock cycles by bits TPC1
and TPC0 in DRACCR. Set the bit according to the DRAM to be used and the frequency of this
LSI so that the number of precharge cycle can be optimal.
Figure 9.42 shows an access timing example when two Tp cycles are specified.
The setting of bits TPC1 and TPC0 affect the Tp cycle of a refresh cycle.
T
p1
T
p2
T
r
T
c1
T
c2
Address bus
Row address
Column address
B
φ
RAS
LUCAS
LLCAS
WE
OE (RD)
WE
OE (RD)
Data bus
High
High
Read
Write
Data bus
BS
RD/
WR
Figure 9.42 Access Timing Example of Two Precharge Cycles (RAST = 0 and CAST = 0)



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


Datenblatt Download

Go To PDF Page


Link URL



War ALLDATASHEET hilfreich?  [ DONATE ] 

Über Alldatasheet   |   Werbung   |   Kontakt   |   Privatsphäre und Datenschutz   |   Link zum Datenblatt    |   Linktausch   |   Hersteller
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