поискавой системы для электроныых деталей
  Russian  ▼
ALLDATASHEETRU.COM

X  

Preview PDF HTML

P82C42PD датащи(PDF) 3 Page - Intel Corporation

номер детали P82C42PD
подробное описание детали  UNIVERSAL PERIPHERAL INTERFACE CHMOS 8-BIT SLAVE MICROCONTROLLER
PDF  25 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
производитель  INTEL [Intel Corporation]
домашняя страница  http://www.intel.com
Logo INTEL - Intel Corporation

P82C42PD датащи(HTML) 3 Page - Intel Corporation

  P82C42PD Datasheet HTML 1Page - Intel Corporation P82C42PD Datasheet HTML 2Page - Intel Corporation P82C42PD Datasheet HTML 3Page - Intel Corporation P82C42PD Datasheet HTML 4Page - Intel Corporation P82C42PD Datasheet HTML 5Page - Intel Corporation P82C42PD Datasheet HTML 6Page - Intel Corporation P82C42PD Datasheet HTML 7Page - Intel Corporation P82C42PD Datasheet HTML 8Page - Intel Corporation P82C42PD Datasheet HTML 9Page - Intel Corporation Next Button
Zoom Inzoom in Zoom Outzoom out
 3 / 25 page
background image
UPI-C42UPI-L42
Table 1 Pin Description
(Continued)
DIP
PLCC
QFP
Symbol
Pin
Pin
Pin
Type
Name and Function
No
No
No
P20–P27
21–24
24–27
39–42
I O
PORT 2
8-bit PORT 2 quasi-bidirectional IO lines The lower 4 bits
(P20–P23) interface directly to the 8243 IO expander device and
35–38
39–42
11 13–15
contain address and data information during PORT 4 – 7 access P21
can be programmed to provide hardware A20 gate support The upper
4 bits (P24–P27) can be programmed to provide interrupt Request and
DMA Handshake capability Software control can configure P24 as
Output Buffer Full (OBF) interrupt P25 as Input Buffer Full (IBF)
interrupt P26 as DMA Request (DRQ) and P27 as DMA ACKnowledge
(DACK)
PROG
25
28
43
IO
PROGRAM
Multifunction pin used as the program pulse input during
PROM programming
During IO expander access the PROG pin acts as an addressdata
strobe to the 8243 This pin should be tied high if unused
VCC
40
44
17
POWER a
5V main power supply pin
VDD
26
29
1
POWER a
5V during normal operation a1275V during programming
operation Low power standby supply pin
VSS
20
22
38
GROUND
Circuit ground potential
290414 – 4
Figure 4 Block Diagram
3



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


датащи скачать

Go To PDF Page


ссылки URL



Вашему бизинису помогли Аллдатащит?  [ DONATE ] 

Что такое Аллдатащит   |   реклама   |   контакт   |   Конфиденциальность   |   Ссылка на техническое описание    |   обмен ссыками   |   поиск по производителю
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