Os motores de busca de Datasheet de Componentes eletrônicos
  Portuguese  ▼
ALLDATASHEETPT.COM

X  

Preview PDF HTML

H8/3003 Folha de dados(PDF) 149 Page - Renesas Technology Corp

Nome de Peças H8/3003
Descrição Electrónicos  microcontroller (MCU)
PDF  715 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricante Electrônico  RENESAS [Renesas Technology Corp]
Página de início  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H8/3003 Folha de dados(HTML) 149 Page - Renesas Technology Corp

Back Button H8/3003 Datasheet HTML 145Page - Renesas Technology Corp H8/3003 Datasheet HTML 146Page - Renesas Technology Corp H8/3003 Datasheet HTML 147Page - Renesas Technology Corp H8/3003 Datasheet HTML 148Page - Renesas Technology Corp H8/3003 Datasheet HTML 149Page - Renesas Technology Corp H8/3003 Datasheet HTML 150Page - Renesas Technology Corp H8/3003 Datasheet HTML 151Page - Renesas Technology Corp H8/3003 Datasheet HTML 152Page - Renesas Technology Corp H8/3003 Datasheet HTML 153Page - Renesas Technology Corp Next Button
Zoom Inzoom in Zoom Outzoom out
 149 / 715 page
background image
Figure 6-19 shows the timing when the bus right is requested by an external bus master during a
read cycle in a two-state-access area. There is a minimum interval of two states from when the
BREQ signal goes low until the bus is released.
Figure 6-19 External-Bus-Released State (Two-State-Access Area, During Read Cycle)
ø
Address
Data bus
(D
to D )
AS
HWR
BREQ
BACK
RD
,
LWR
,
15
0
T0
T1
T2
Address
2
1
3456
High
CPU cycles
External bus released
CPU cycles
Minimum 2 cycles
High-impedance
High-impedance
High-impedance
High-impedance
1
2
3
4, 5
6
Low
signal is sampled at rise of T state.
signal goes low at end of CPU read cycle, releasing bus right to external bus master.
pin continues to be sampled while bus is released to external bus master.
High
signal is sampled twice consecutively.
signal goes high, ending bus-release cycle.
BREQ
BREQ
BREQ
BREQ
BACK
0
131



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


Folha de dados Download

Go To PDF Page


Ligação URL



ALLDATASHEET é útil para você?  [ DONATE ] 

Sobre Alldatasheet   |   Publicidade   |   Contato conosco   |   Privacy Policy   |   Link para a ficha técnica    |   roca de Link   |   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
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com