поискавой системы для электроныых деталей
  Russian  ▼
ALLDATASHEETRU.COM

X  

Preview PDF HTML

LXT971ABC датащи(PDF) 30 Page - Intel Corporation

номер детали LXT971ABC
подробное описание детали  3.3V Dual-Speed Fast Ethernet PHY Transceiver
PDF  90 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
производитель  INTEL [Intel Corporation]
домашняя страница  http://www.intel.com
Logo INTEL - Intel Corporation

LXT971ABC датащи(HTML) 30 Page - Intel Corporation

Back Button LXT971ABC Datasheet HTML 26Page - Intel Corporation LXT971ABC Datasheet HTML 27Page - Intel Corporation LXT971ABC Datasheet HTML 28Page - Intel Corporation LXT971ABC Datasheet HTML 29Page - Intel Corporation LXT971ABC Datasheet HTML 30Page - Intel Corporation LXT971ABC Datasheet HTML 31Page - Intel Corporation LXT971ABC Datasheet HTML 32Page - Intel Corporation LXT971ABC Datasheet HTML 33Page - Intel Corporation LXT971ABC Datasheet HTML 34Page - Intel Corporation Next Button
Zoom Inzoom in Zoom Outzoom out
 30 / 90 page
background image
LXT971A 3.3V Dual-Speed Fast Ethernet Transceiver
30
Datasheet
Document #: 249414
Revision #: 002
Rev. Date: August 7, 2002
3.4.5
Hardware Configuration Settings
The LXT971A provides a hardware option to set the initial device configuration. The hardware
option uses the three LED driver pins. This provides three control bits, as listed in Table 9. The
LED drivers can operate as either open-drain or open-source circuits as shown in Figure 8.
Figure 8. Hardware Configuration Settings
Table 9. Hardware Configuration Settings
Desired Mode
LED/CFGn
Pin Settings1
Resulting Register Bit Values
Control Register
AN Advertisement Registers
Auto-
Neg
Speed
(Mbps)
Duplex
1
2
3
Auto-
Neg
0.12
Speed
0.13
FD
0.8
100FD
4.8
100TX
4.7
10FD
4.6
10T
4.5
Disabled
10
Half
Low
Low
Low
0
0
0
N/A
Auto-Negotiation Adver-
tisement
Full
Low
Low
High
1
100
Half
Low
High
Low
1
0
Full
Low
High
High
1
Enabled
100
Only
Half
High
Low
Low
11
00
1
0
0
Full
High
Low
High
1
1
1
0
0
10/100
Half
Only
High
High
Low
0
0
1
0
1
Full or
Half
High
High
High
1
1
1
1
1
1. Refer to Table 7 on page 19 for LED/CFG pin assignments.
Configuration Bit = 1
Configuration Bit = 0
LED/CFG Pin
LED/CFG Pin
3.3 V
1. The LED/CFG pins automatically adjust their
polarity upon power-up or reset.
2. Unused LEDs may be implemented with pull-up/
pull-down resistors of 10 K.



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


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