MicroLAN
1-Wire, 90- Dallas Semiconductor ( MicroLAN).
MicroLAN . .
MicroLAN / . 0.8 , 2.2 . 2.8... 6.0 . MicroLAN .
, . 16300 bps , 7 .
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(.11..2) - I 2 C: , , , , , .
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I2C (, , ).
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SDA, SCL , (. 4). , . , , . I2C 100 / , 400 / . , , - ( 400 ).
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I2C
I2C
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(..1) USB: , , , , , .
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USB
(Universal Serial Bus - )
- 15 1996 . - Intel, DEC, IBM, NEC, Northen Telecom Compaq.
, - Plug&Play .
USB Windows 95b, Windows 98.
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Plug&Play (Plug - - , .
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USB1:
(full-speed signaling bit rate) - 12 Mb / s
- 5 m
(low-speed signaling bit rate) - 1.5 Mb/s
- 3 m
( ) - 127
- 5 V
- 500 mA
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(1999)USB2, , 480 Mbits/s
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(2008) USB 3.0. USB 3.0 5 / 480 /, USB 2.0. , 60 / 600 / 1 8-10 , 40-60 .
3.0 , 500 900 . , .
USB 3.0 ( ), . H USB 3.0 .
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Standard A , ()
Standard B (, )
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PnP USB , - 220
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(..2) : Bluetooth, WiFi: , , , , , .
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Bluetooth (/bluːtuːθ/, , I )
I (. Harald Blåtand, . Harald Blåtann, . Harold Bluetooth; 930-1 986?) . - ; blå , .
(WPAN Wireless Personal Area Network).
Bluetooth , , , , , , , , , , , . Bluetooth , 10 100 ( ), .
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Bluetooth ISM- (. Industry, Science and Medicine), ( 2,42,48 ).
FHSS (Frequency Hopping Spread Spectrum ). FHSS , , .
FHSS, Bluetooth 1600 ( 79 , , ́ 23 ). , 625 ( ) .
(64 / ) . 723,2 / 57,6 /, 433,9 /c .
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Bluetooth Low Energy (BLE) - Bluetooth 4.0 , Bluetooth Special Interest Group (SIG). - Bluetooth 2.0, Bluetooth 2.1 + EDR, Bluetooth 3.0, BLE , . , , ZigBee, 6LoWPAN Z-Wave, , Bluetooth Low Energy - . BLE , , , , .
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, :
- 50
- - 6
- - 6
- - 0.26 Mb/s
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Wi-Fi
Wi-Fi Alliance IEEE 802.11, Wi-Fi Wi-Fi Alliance. Wireless-Fidelity ( ) Hi-Fi.
Wireless LAN , . Wi-Fi, 100 /.
24002483,5 ( 802.11b 802.11g), 5 ( 802.11a), 100 .
WiFi , . ( ). Wi MAX, , .
Wi-Fi (IEEE 802.11) | WiMAX (IEEE 802.16) |
(PtP -Point to point) | (PtMp Point to multipoint) |
( 100) | (7-10 ) |
(CSMA\CA) | (DAMA-TDMA) |
(64 ) a,g | (256 ) |