{"id":484179,"date":"2025-08-22T10:53:35","date_gmt":"2025-08-22T03:53:35","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=484179"},"modified":"2025-08-22T10:53:35","modified_gmt":"2025-08-22T03:53:35","slug":"cong-usb","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/cong-usb\/","title":{"rendered":"C\u1ed5ng USB l\u00e0 g\u00ec? C\u00f3 tr\u00ean thi\u1ebft b\u1ecb n\u00e0o? C\u00e1c lo\u1ea1i c\u1ed5ng USB ph\u1ed5 bi\u1ebfn hi\u1ec7n nay"},"content":{"rendered":"

C\u1ed5ng USB<\/b> l\u00e0 m\u1ed9t trong nh\u1eefng chu\u1ea9n k\u1ebft n\u1ed1i quen thu\u1ed9c v\u00e0 kh\u00f4ng th\u1ec3 thi\u1ebfu tr\u00ean h\u1ea7u h\u1ebft c\u00e1c thi\u1ebft b\u1ecb c\u00f4ng ngh\u1ec7 hi\u1ec7n nay. T\u1eeb m\u00e1y t\u00ednh, laptop, \u0111i\u1ec7n tho\u1ea1i, \u0111\u1ebfn c\u00e1c thi\u1ebft b\u1ecb ngo\u1ea1i vi nh\u01b0 chu\u1ed9t, b\u00e0n ph\u00edm, m\u00e1y in hay \u1ed5 c\u1ee9ng di \u0111\u1ed9ng. T\u1ea5t c\u1ea3 \u0111\u1ec1u s\u1eed d\u1ee5ng c\u1ed5ng k\u1ebft n\u1ed1i USB \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u v\u00e0 s\u1ea1c \u0111i\u1ec7n. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd c\u00f9ng t\u00ecm hi\u1ec3u giao ti\u1ebfp USB l\u00e0 g\u00ec, ch\u00fang xu\u1ea5t hi\u1ec7n tr\u00ean nh\u1eefng thi\u1ebft b\u1ecb n\u00e0o v\u00e0 \u0111i\u1ec3m qua c\u00e1c lo\u1ea1i c\u1ed5ng ph\u1ed5 bi\u1ebfn hi\u1ec7n nay.<\/span><\/p>\n

C\u1ed5ng USB l\u00e0 g\u00ec?<\/b><\/h2>\n

C\u1ed5ng giao ti\u1ebfp USB l\u00e0 m\u1ed9t chu\u1ea9n giao ti\u1ebfp \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7, \u0111\u1eb7c bi\u1ec7t trong vi\u1ec7c k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed v\u1edbi nhau. USB, vi\u1ebft t\u1eaft c\u1ee7a \u201cUniversal Serial Bus\u201d, l\u00e0 m\u1ed9t giao th\u1ee9c truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u k\u1ef9 thu\u1eadt s\u1ed1 \u1edf c\u1ef1 ly ng\u1eafn, cho ph\u00e9p li\u00ean k\u1ebft nhanh ch\u00f3ng gi\u1eefa m\u00e1y t\u00ednh c\u00e1 nh\u00e2n v\u00e0 nhi\u1ec1u lo\u1ea1i thi\u1ebft b\u1ecb kh\u00e1c. V\u1edbi \u0111\u1eb7c \u0111i\u1ec3m plug-and-play, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng s\u1eed d\u1ee5ng m\u00e0 kh\u00f4ng c\u1ea7n c\u00e0i \u0111\u1eb7t ph\u1ee9c t\u1ea1p.<\/span><\/p>\n

\"cong-usb-1\"<\/picture><\/p>\n

Theo th\u1eddi gian, chu\u1ea9n USB \u0111\u00e3 c\u00f3 nhi\u1ec1u phi\u00ean b\u1ea3n n\u00e2ng c\u1ea5p nh\u01b0 USB 2.0, 3.0, 3.1, 3.2 v\u00e0 m\u1edbi nh\u1ea5t l\u00e0 USB4, mang \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ea3i nhanh h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch cao h\u01a1n. T\u00f9y v\u00e0o thi\u1ebft b\u1ecb v\u00e0 m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 b\u1eaft g\u1eb7p nhi\u1ec1u d\u1ea1ng c\u1ed5ng kh\u00e1c nhau nh\u01b0 Type-A, Type-B, Micro USB v\u00e0 Type-C. T\u00ednh \u0111\u1ebfn hi\u1ec7n t\u1ea1i, USB v\u1eabn l\u00e0 ph\u01b0\u01a1ng th\u1ee9c k\u1ebft n\u1ed1i ph\u1ed5 bi\u1ebfn h\u00e0ng \u0111\u1ea7u tr\u00ean to\u00e0n c\u1ea7u.<\/span><\/p>\n

Ch\u1ee9c n\u0103ng c\u1ee7a c\u1ed5ng USB<\/b><\/h2>\n

Th\u00f4ng qua d\u00e2y c\u00e1p t\u01b0\u01a1ng th\u00edch, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 sao ch\u00e9p t\u1eadp tin, h\u00ecnh \u1ea3nh, \u00e2m thanh ho\u1eb7c video gi\u1eefa m\u00e1y t\u00ednh v\u00e0 \u0111i\u1ec7n tho\u1ea1i, m\u00e1y \u1ea3nh k\u1ef9 thu\u1eadt s\u1ed1, m\u00e1y in, ho\u1eb7c \u1ed5 c\u1ee9ng ngo\u00e0i. T\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ea3i \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 qua t\u1eebng phi\u00ean b\u1ea3n, t\u1eeb USB 1.1, 2.0 cho \u0111\u1ebfn c\u00e1c chu\u1ea9n ti\u00ean ti\u1ebfn nh\u01b0 3.2 hay USB4.<\/span><\/p>\n

Ngo\u00e0i kh\u1ea3 n\u0103ng x\u1eed l\u00fd d\u1eef li\u1ec7u, USB c\u00f2n \u0111\u1ea3m nh\u1eadn ch\u1ee9c n\u0103ng cung c\u1ea5p \u0111i\u1ec7n n\u0103ng. T\u1eeb vi\u1ec7c s\u1ea1c smartphone, tablet \u0111\u1ebfn truy\u1ec1n \u0111i\u1ec7n cho laptop ho\u1eb7c m\u00e0n h\u00ecnh ngo\u00e0i, c\u1ed5ng n\u00e0y h\u1ed7 tr\u1ee3 kh\u1ea3 n\u0103ng truy\u1ec1n t\u1ea3i n\u0103ng l\u01b0\u1ee3ng v\u1edbi hi\u1ec7u su\u1ea5t t\u0103ng d\u1ea7n theo t\u1eebng th\u1ebf h\u1ec7. \u0110\u1eb7c bi\u1ec7t, chu\u1ea9n USB-C mang l\u1ea1i s\u1ef1 ti\u1ec7n l\u1ee3i v\u01b0\u1ee3t tr\u1ed9i khi v\u1eeba s\u1ea1c pin v\u1eeba truy\u1ec1n n\u1ed9i dung \u0111\u1ed3ng th\u1eddi.<\/span><\/p>\n

\"cong-usb-2\"<\/picture><\/p>\n

H\u01a1n n\u1eefa, USB cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng k\u1ebft n\u1ed1i nhi\u1ec1u thi\u1ebft b\u1ecb ngo\u1ea1i vi nh\u01b0 b\u00e0n ph\u00edm, chu\u1ed9t, webcam, m\u00e1y qu\u00e9t ho\u1eb7c micro. Vi\u1ec7c thi\u1ebft l\u1eadp d\u1ec5 d\u00e0ng, kh\u00f4ng y\u00eau c\u1ea7u c\u00e0i \u0111\u1eb7t ph\u1ee9c t\u1ea1p gi\u00fap ti\u1ebft ki\u1ec7m th\u1eddi gian.<\/span><\/p>\n

Cu\u1ed1i c\u00f9ng, m\u1ed9t \u0111i\u1ec3m m\u1ea1nh n\u1ed5i b\u1eadt l\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c gi\u1eefa c\u00e1c phi\u00ean b\u1ea3n. V\u00ed d\u1ee5, khi s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb chu\u1ea9n USB 3.0 tr\u00ean c\u1ed5ng 2.0, h\u1ec7 th\u1ed1ng v\u1eabn nh\u1eadn di\u1ec7n v\u00e0 v\u1eadn h\u00e0nh b\u00ecnh th\u01b0\u1eddng, m\u1eb7c d\u00f9 hi\u1ec7u su\u1ea5t kh\u00f4ng \u0111\u1ea1t m\u1ee9c t\u1ed1i \u0111a nh\u01b0 mong \u0111\u1ee3i.<\/span><\/p>\n

C\u1ed5ng USB \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean nh\u1eefng thi\u1ebft b\u1ecb n\u00e0o?<\/b><\/h2>\n

C\u1ed5ng truy\u1ec1n d\u1eef li\u1ec7u USB xu\u1ea5t hi\u1ec7n r\u1ed9ng r\u00e3i tr\u00ean h\u1ea7u h\u1ebft c\u00e1c thi\u1ebft b\u1ecb c\u00f4ng ngh\u1ec7 hi\u1ec7n nay. Nh\u1edd kh\u1ea3 n\u0103ng truy\u1ec1n d\u1eef li\u1ec7u v\u00e0 cung c\u1ea5p \u0111i\u1ec7n, USB tr\u1edf th\u00e0nh chu\u1ea9n k\u1ebft n\u1ed1i ph\u1ed5 bi\u1ebfn v\u00e0 kh\u00f4ng th\u1ec3 thi\u1ebfu trong \u0111\u1eddi s\u1ed1ng s\u1ed1 hi\u1ec7n \u0111\u1ea1i.<\/span><\/p>\n

C\u00e1c thi\u1ebft b\u1ecb c\u00f3 c\u1ed5ng USB<\/b><\/h3>\n

Tr\u00ean m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n, c\u1ed5ng k\u1ebft n\u1ed1i n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed c\u1ea3 m\u1eb7t tr\u01b0\u1edbc l\u1eabn ph\u00eda sau th\u00f9ng m\u00e1y, gi\u00fap ng\u01b0\u1eddi d\u00f9ng linh ho\u1ea1t trong vi\u1ec7c c\u1eafm thi\u1ebft b\u1ecb ngo\u1ea1i vi nh\u01b0 chu\u1ed9t, b\u00e0n ph\u00edm, \u1ed5 c\u1ee9ng di \u0111\u1ed9ng ho\u1eb7c tai nghe. S\u1ed1 l\u01b0\u1ee3ng c\u1ed5ng dao \u0111\u1ed9ng t\u1eeb 4 \u0111\u1ebfn 12 t\u00f9y theo c\u1ea5u h\u00ecnh v\u00e0 d\u00f2ng s\u1ea3n ph\u1ea9m.<\/span><\/p>\n

V\u1edbi m\u00e1y t\u00ednh x\u00e1ch tay, \u0111\u1ea7u c\u1ea5m USB th\u01b0\u1eddng \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed hai b\u00ean c\u1ea1nh m\u00e1y, thu\u1eadn ti\u1ec7n cho thao t\u00e1c trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng. M\u1ed7i chi\u1ebfc laptop hi\u1ec7n \u0111\u1ea1i c\u00f3 th\u1ec3 t\u00edch h\u1ee3p t\u1eeb 1 \u0111\u1ebfn 4 c\u1ed5ng, bao g\u1ed3m c\u1ea3 USB Type-A truy\u1ec1n th\u1ed1ng v\u00e0 USB Type-C t\u1ed1c \u0111\u1ed9 cao, \u0111\u00e1p \u1ee9ng nhu c\u1ea7u k\u1ebft n\u1ed1i c\u0169ng nh\u01b0 s\u1ea1c nhanh.<\/span><\/p>\n

\"cong-usb-3\"<\/picture><\/p>\n

Tr\u00ean m\u00e1y t\u00ednh b\u1ea3ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c thi\u1ebft b\u1ecb Android, c\u1ed5ng giao ti\u1ebfp USB c\u0169ng \u0111\u00f3ng vai tr\u00f2 l\u00e0 c\u1ed5ng s\u1ea1c ch\u00ednh, th\u01b0\u1eddng l\u00e0 Micro USB ho\u1eb7c USB Type-C. M\u1ed9t s\u1ed1 d\u00f2ng cao c\u1ea5p c\u00f2n h\u1ed7 tr\u1ee3 truy\u1ec1n d\u1eef li\u1ec7u, k\u1ebft n\u1ed1i v\u1edbi thi\u1ebft b\u1ecb ngo\u1ea1i vi nh\u01b0 b\u00e0n ph\u00edm r\u1eddi hay chu\u1ed9t kh\u00f4ng d\u00e2y th\u00f4ng qua b\u1ed9 chuy\u1ec3n \u0111\u1ed5i OTG.<\/span><\/p>\n

\u0110i\u1ec7n tho\u1ea1i th\u00f4ng minh c\u0169ng s\u1eed d\u1ee5ng c\u1ed5ng k\u1ebft n\u1ed1i \u0111a n\u0103ng nh\u01b0 m\u1ed9t ph\u01b0\u01a1ng th\u1ee9c \u0111\u1ec3 truy\u1ec1n t\u1ea3i n\u1ed9i dung, s\u1ea1c pin ho\u1eb7c k\u1ebft n\u1ed1i v\u1edbi m\u00e1y t\u00ednh. C\u00e1c thi\u1ebft b\u1ecb iPhone d\u00f9ng c\u1ed5ng Lightning \u0111\u1eb7c tr\u01b0ng, trong khi ph\u1ea7n l\u1edbn \u0111i\u1ec7n tho\u1ea1i Android nh\u01b0 Samsung, Xiaomi, Oppo,… s\u1eed d\u1ee5ng USB Type-C ho\u1eb7c Micro USB.<\/span><\/p>\n

C\u00e1c thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i qua c\u1ed5ng USB<\/b><\/h3>\n

C\u00e1c thi\u1ebft b\u1ecb nh\u01b0 m\u00e1y \u1ea3nh k\u1ef9 thu\u1eadt s\u1ed1 th\u01b0\u1eddng s\u1eed d\u1ee5ng USB \u0111\u1ec3 truy\u1ec1n t\u1ea3i h\u00ecnh \u1ea3nh ho\u1eb7c video sang m\u00e1y t\u00ednh, h\u1ed7 tr\u1ee3 l\u01b0u tr\u1eef v\u00e0 ch\u1ec9nh s\u1eeda. \u1ed4 \u0111\u0129a ngo\u00e0i l\u00e0 thi\u1ebft b\u1ecb l\u01b0u tr\u1eef ph\u1ed5 bi\u1ebfn, cho ph\u00e9p sao ch\u00e9p, di chuy\u1ec3n d\u1eef li\u1ec7u dung l\u01b0\u1ee3ng l\u1edbn m\u1ed9t c\u00e1ch nhanh ch\u00f3ng. Nh\u1eefng thi\u1ebft b\u1ecb gi\u1ea3i tr\u00ed c\u00e1 nh\u00e2n nh\u01b0 iPod ho\u1eb7c m\u00e1y nghe nh\u1ea1c MP3 c\u0169ng k\u1ebft n\u1ed1i qua c\u1ed5ng n\u00e0y \u0111\u1ec3 s\u1ea1c v\u00e0 \u0111\u1ed3ng b\u1ed9 n\u1ed9i dung.<\/span><\/p>\n

\"cong-usb-4\"<\/picture><\/p>\n

Trong m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c, b\u00e0n ph\u00edm, chu\u1ed9t m\u00e1y t\u00ednh v\u00e0 micro l\u00e0 c\u00e1c thi\u1ebft b\u1ecb kh\u00f4ng th\u1ec3 thi\u1ebfu, t\u1ea5t c\u1ea3 \u0111\u1ec1u c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i qua USB \u0111\u1ec3 truy\u1ec1n t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n ho\u1eb7c \u00e2m thanh. B\u00ean c\u1ea1nh \u0111\u00f3, m\u00e1y in v\u00e0 m\u00e1y qu\u00e9t d\u00f9ng USB \u0111\u1ec3 nh\u1eadn l\u1ec7nh v\u00e0 xu\u1ea5t d\u1eef li\u1ec7u tr\u1ef1c ti\u1ebfp t\u1eeb m\u00e1y t\u00ednh m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ebfn k\u1ebft n\u1ed1i m\u1ea1ng.<\/span><\/p>\n

C\u1ea7n \u0111i\u1ec1u khi\u1ec3n (joystick) c\u0169ng c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng li\u00ean k\u1ebft v\u1edbi h\u1ec7 th\u1ed1ng \u0111\u1ec3 ph\u1ee5c v\u1ee5 cho m\u1ee5c \u0111\u00edch ch\u01a1i game ho\u1eb7c \u0111i\u1ec1u khi\u1ec3n m\u00f4 ph\u1ecfng. \u0110\u1ed1i v\u1edbi nhu c\u1ea7u giao ti\u1ebfp h\u00ecnh \u1ea3nh, webcam l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb \u0111i\u1ec3n h\u00ecnh, s\u1eed d\u1ee5ng USB \u0111\u1ec3 truy\u1ec1n t\u00edn hi\u1ec7u h\u00ecnh \u1ea3nh trong th\u1eddi gian th\u1ef1c. Cu\u1ed1i c\u00f9ng, \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh k\u1ebft n\u1ed1i th\u00f4ng qua USB \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u, s\u1ea1c pin ho\u1eb7c chia s\u1ebb k\u1ebft n\u1ed1i m\u1ea1ng, th\u1ec3 hi\u1ec7n t\u00ednh \u0111a n\u0103ng v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a chu\u1ea9n giao ti\u1ebfp n\u00e0y.<\/span><\/p>\n

C\u00e1c lo\u1ea1i c\u1ed5ng USB ph\u1ed5 bi\u1ebfn hi\u1ec7n nay<\/b><\/h2>\n

Hi\u1ec7n nay, giao ti\u1ebfp USB \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u1edbi nhi\u1ec1u lo\u1ea1i kh\u00e1c nhau \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u s\u1eed d\u1ee5ng \u0111a d\u1ea1ng c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. M\u1ed7i lo\u1ea1i c\u00f3 thi\u1ebft k\u1ebf, t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ri\u00eang, ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng thi\u1ebft b\u1ecb c\u1ee5 th\u1ec3 nh\u01b0 m\u00e1y t\u00ednh, \u0111i\u1ec7n tho\u1ea1i, m\u00e1y in hay \u1ed5 c\u1ee9ng ngo\u00e0i.<\/span><\/p>\n

Ph\u00e2n lo\u1ea1i theo chu\u1ea9n k\u1ebft n\u1ed1i<\/b><\/h3>\n

C\u00e1c lo\u1ea1i c\u1ed5ng chu\u1ea9n USB \u0111\u01b0\u1ee3c ph\u00e2n chia d\u1ef1a tr\u00ean thi\u1ebft k\u1ebf \u0111\u1ea7u c\u1eafm v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi thi\u1ebft b\u1ecb. T\u00f9y v\u00e0o t\u1eebng nhu c\u1ea7u s\u1eed d\u1ee5ng, m\u1ed7i chu\u1ea9n nh\u01b0 USB Type-A, Type-B, Micro USB, Mini USB hay USB Type-C s\u1ebd \u0111\u1ea3m nhi\u1ec7m m\u1ed9t vai tr\u00f2 kh\u00e1c nhau.<\/span><\/p>\n

USB Type-A<\/b><\/h4>\n

USB Type-A l\u00e0 chu\u1ea9n k\u1ebft n\u1ed1i truy\u1ec1n th\u1ed1ng, ph\u1ed5 bi\u1ebfn nh\u1ea5t trong h\u1ecd USB. Lo\u1ea1i \u0111\u1ea7u c\u1eafm n\u00e0y c\u00f3 h\u00ecnh ch\u1eef nh\u1eadt, k\u00edch th\u01b0\u1edbc kho\u1ea3ng 1,4cm x 0,65cm, v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ea5y tr\u00ean m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n, laptop, tivi, \u0111\u1ea7u ph\u00e1t, c\u0169ng nh\u01b0 c\u00e1c thi\u1ebft b\u1ecb ngo\u1ea1i vi nh\u01b0 chu\u1ed9t, b\u00e0n ph\u00edm, tay c\u1ea7m ch\u01a1i game. V\u1edbi kh\u1ea3 n\u0103ng truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u \u1ed5n \u0111\u1ecbnh v\u00e0 c\u1ea5p ngu\u1ed3n cho thi\u1ebft b\u1ecb, USB Type-A \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u1ea3 c\u00f4ng vi\u1ec7c l\u1eabn gi\u1ea3i tr\u00ed.<\/span><\/p>\n

\"cong-usb-5\"<\/picture><\/p>\n

Thi\u1ebft k\u1ebf \u0111\u01a1n gi\u1ea3n, d\u1ec5 s\u1eed d\u1ee5ng, tuy nhi\u00ean USB Type-A ch\u1ec9 c\u1eafm \u0111\u01b0\u1ee3c theo m\u1ed9t chi\u1ec1u n\u00ean \u0111\u00f4i khi g\u00e2y b\u1ea5t ti\u1ec7n khi c\u1eafm v\u1ed9i. D\u00f9 l\u00e0 chu\u1ea9n c\u0169, n\u00f3 v\u1eabn \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p tr\u00ean r\u1ea5t nhi\u1ec1u thi\u1ebft b\u1ecb hi\u1ec7n \u0111\u1ea1i, h\u1ed7 tr\u1ee3 t\u1ed1t cho c\u00e1c phi\u00ean b\u1ea3n t\u1eeb USB 1.1 \u0111\u1ebfn USB 3.2.<\/span><\/p>\n

USB Type-B<\/b><\/h4>\n

USB Type-B th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 k\u1ebft n\u1ed1i m\u00e1y t\u00ednh v\u1edbi c\u00e1c thi\u1ebft b\u1ecb ngo\u1ea1i vi nh\u01b0 m\u00e1y in, m\u00e1y qu\u00e9t, ho\u1eb7c \u1ed5 c\u1ee9ng g\u1eafn ngo\u00e0i. \u0110\u1ea7u c\u1eafm Type-B c\u00f3 h\u00ecnh d\u1ea1ng vu\u00f4ng, v\u1edbi hai g\u00f3c tr\u00ean \u0111\u01b0\u1ee3c v\u00e1t nh\u1eb9, t\u1ea1o n\u00ean s\u1ef1 kh\u00e1c bi\u1ec7t so v\u1edbi c\u00e1c lo\u1ea1i \u0111\u1ea7u USB kh\u00e1c.<\/span><\/p>\n

\"cong-usb-6\"<\/picture><\/p>\n

Lo\u1ea1i c\u1ed5ng n\u00e0y th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n \u1edf ph\u00eda sau thi\u1ebft b\u1ecb, gi\u00fap duy tr\u00ec k\u1ebft n\u1ed1i \u1ed5n \u0111\u1ecbnh v\u00e0 \u00edt b\u1ecb th\u00e1o r\u1eddi. USB Type-B c\u0169ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 tr\u00e1nh nh\u1ea7m l\u1eabn khi c\u1eafm, \u0111\u1ed3ng th\u1eddi \u0111\u1ea3m b\u1ea3o t\u00ednh ch\u1eafc ch\u1eafn khi s\u1eed d\u1ee5ng l\u00e2u d\u00e0i. M\u1eb7c d\u00f9 hi\u1ec7n nay \u0111\u00e3 \u00edt g\u1eb7p h\u01a1n do s\u1ef1 l\u00ean ng\u00f4i c\u1ee7a USB-C, Type-B v\u1eabn c\u00f2n hi\u1ec7n di\u1ec7n tr\u00ean nhi\u1ec1u thi\u1ebft b\u1ecb in \u1ea5n chuy\u00ean d\u1ee5ng.<\/span><\/p>\n

Mini USB Type-B<\/b><\/h4>\n

C\u1ed5ng USB<\/b> Type-B Mini t\u1eebng l\u00e0 chu\u1ea9n k\u1ebft n\u1ed1i ph\u1ed5 bi\u1ebfn tr\u00ean nhi\u1ec1u thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed nh\u1ecf g\u1ecdn nh\u01b0 m\u00e1y \u1ea3nh s\u1ed1, \u1ed5 c\u1ee9ng c\u1ea7m tay \u0111\u1eddi c\u0169 v\u00e0 m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb di \u0111\u1ed9ng. C\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf h\u01a1n nhi\u1ec1u so v\u1edbi USB ti\u00eau chu\u1ea9n, \u0111\u1ea7u mini USB \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c thi\u1ebft b\u1ecb c\u00f3 kh\u00f4ng gian gi\u1edbi h\u1ea1n.<\/span><\/p>\n

\"cong-usb-7\"<\/picture><\/p>\n

Tuy nhi\u00ean, do k\u00edch th\u01b0\u1edbc ch\u01b0a th\u1ef1c s\u1ef1 t\u1ed1i \u01b0u v\u00e0 thi\u1ebfu t\u00ednh \u0111\u1ed1i x\u1ee9ng khi c\u1eafm, lo\u1ea1i c\u1ed5ng n\u00e0y hi\u1ec7n \u0111\u00e3 d\u1ea7n b\u1ecb thay th\u1ebf b\u1edfi Micro USB v\u00e0 USB Type-C. D\u00f9 v\u1eady, tr\u00ean m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb c\u0169 ho\u1eb7c chuy\u00ean d\u1ee5ng, Mini USB Type-B v\u1eabn c\u00f2n \u0111\u01b0\u1ee3c duy tr\u00ec v\u00e0 s\u1eed d\u1ee5ng \u1ed5n \u0111\u1ecbnh.<\/span><\/p>\n

Micro USB Type-A<\/b><\/h4>\n

Micro USB Type-A l\u00e0 chu\u1ea9n k\u1ebft n\u1ed1i t\u1eebng \u0111\u01b0\u1ee3c d\u00f9ng ph\u1ed5 bi\u1ebfn tr\u00ean nhi\u1ec1u thi\u1ebft b\u1ecb di \u0111\u1ed9ng nh\u01b0 \u0111i\u1ec7n tho\u1ea1i, GPS, m\u00e1y nghe nh\u1ea1c MP3 v\u00e0 m\u00e1y \u1ea3nh nh\u1ecf g\u1ecdn. \u01afu \u0111i\u1ec3m c\u1ee7a lo\u1ea1i \u0111\u1ea7u c\u1eafm n\u00e0y l\u00e0 k\u00edch th\u01b0\u1edbc nh\u1ecf, h\u1ed7 tr\u1ee3 t\u00ednh n\u0103ng OTG (On-The-Go), cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb di \u0111\u1ed9ng \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u00e1y ch\u1ee7 \u0111\u1ec3 k\u1ebft n\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c nh\u01b0 b\u00e0n ph\u00edm, chu\u1ed9t, ho\u1eb7c USB flash.<\/span><\/p>\n

\"cong-usb-8\"<\/picture><\/p>\n

M\u1eb7c d\u00f9 Micro USB Type-A hi\u1ec7n kh\u00f4ng c\u00f2n ph\u1ed5 bi\u1ebfn r\u1ed9ng r\u00e3i nh\u01b0 tr\u01b0\u1edbc do s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a USB-C, n\u00f3 v\u1eabn \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong m\u1ed9t s\u1ed1 d\u00f2ng s\u1ea3n ph\u1ea9m gi\u00e1 r\u1ebb ho\u1eb7c thi\u1ebft b\u1ecb chuy\u00ean bi\u1ec7t c\u1ea7n giao ti\u1ebfp \u0111\u01a1n gi\u1ea3n v\u1edbi m\u00e1y t\u00ednh.<\/span><\/p>\n

Micro USB Type-B<\/b><\/h4>\n

C\u1ed5ng USB <\/b>Type-B Micro l\u00e0 phi\u00ean b\u1ea3n c\u1ea3i ti\u1ebfn, xu\u1ea5t hi\u1ec7n ph\u1ed5 bi\u1ebfn h\u01a1n Micro USB Type-A v\u00e0 t\u1eebng l\u00e0 chu\u1ea9n k\u1ebft n\u1ed1i ti\u00eau chu\u1ea9n tr\u00ean ph\u1ea7n l\u1edbn \u0111i\u1ec7n tho\u1ea1i Android. \u0110\u1ea7u c\u1eafm c\u00f3 thi\u1ebft k\u1ebf v\u00e1t \u1edf m\u1ed9t b\u00ean, gi\u00fap ph\u00e2n bi\u1ec7t chi\u1ec1u khi c\u1eafm, \u0111\u1ed3ng th\u1eddi t\u0103ng \u0111\u1ed9 ch\u1eafc ch\u1eafn trong qu\u00e1 tr\u00ecnh k\u1ebft n\u1ed1i.<\/span><\/p>\n

\"cong-usb-9\"<\/picture><\/p>\n

Lo\u1ea1i c\u1ed5ng n\u00e0y h\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u l\u00ean \u0111\u1ebfn 480 Mbps v\u00e0 c\u0169ng t\u01b0\u01a1ng th\u00edch v\u1edbi t\u00ednh n\u0103ng OTG. D\u00f9 hi\u1ec7n nay \u0111\u00e3 d\u1ea7n b\u1ecb thay th\u1ebf b\u1edfi USB Type-C tr\u00ean c\u00e1c thi\u1ebft b\u1ecb di \u0111\u1ed9ng th\u1ebf h\u1ec7 m\u1edbi, Micro USB Type-B v\u1eabn c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i tr\u00ean c\u00e1c thi\u1ebft b\u1ecb ph\u1ee5 ki\u1ec7n nh\u01b0 tai nghe Bluetooth, loa di \u0111\u1ed9ng, v\u00e0 s\u1ea1c d\u1ef1 ph\u00f2ng.<\/span><\/p>\n

USB Type-C<\/b><\/h4>\n

USB Type-C l\u00e0 chu\u1ea9n k\u1ebft n\u1ed1i m\u1edbi nh\u1ea5t v\u00e0 ng\u00e0y c\u00e0ng tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn tr\u00ean c\u00e1c thi\u1ebft b\u1ecb hi\u1ec7n \u0111\u1ea1i nh\u01b0 \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh, m\u00e1y t\u00ednh b\u1ea3ng, laptop, m\u00e0n h\u00ecnh v\u00e0 c\u1ea3 thi\u1ebft b\u1ecb l\u01b0u tr\u1eef. V\u1edbi k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn ch\u1ec9 kho\u1ea3ng 0,84cm x 0,26cm, thi\u1ebft k\u1ebf \u0111\u1ed1i x\u1ee9ng gi\u00fap ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 c\u1eafm \u1edf b\u1ea5t k\u1ef3 chi\u1ec1u n\u00e0o m\u00e0 v\u1eabn ch\u00ednh x\u00e1c.<\/span><\/p>\n

\"cong-usb-10\"<\/picture><\/p>\n

Kh\u00f4ng ch\u1ec9 h\u1ed7 tr\u1ee3 truy\u1ec1n d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao (l\u00ean \u0111\u1ebfn 40 Gbps v\u1edbi chu\u1ea9n USB4), USB Type-C c\u00f2n c\u00f3 kh\u1ea3 n\u0103ng truy\u1ec1n \u0111i\u1ec7n m\u1ea1nh m\u1ebd, h\u1ed7 tr\u1ee3 s\u1ea1c nhanh, truy\u1ec1n h\u00ecnh \u1ea3nh, \u00e2m thanh qua chu\u1ea9n DisplayPort ho\u1eb7c HDMI. Nh\u1edd s\u1ef1 ti\u1ec7n l\u1ee3i v\u00e0 \u0111a n\u0103ng, USB-C \u0111ang d\u1ea7n thay th\u1ebf c\u00e1c chu\u1ea9n k\u1ebft n\u1ed1i c\u0169 v\u00e0 \u0111\u01b0\u1ee3c xem l\u00e0 t\u01b0\u01a1ng lai c\u1ee7a c\u00e1c k\u1ebft n\u1ed1i ngo\u1ea1i vi.<\/span><\/p>\n

Ph\u00e2n lo\u1ea1i theo chu\u1ea9n t\u1ed1c \u0111\u1ed9<\/b><\/h3>\n

Ngo\u00e0i h\u00ecnh d\u1ea1ng k\u1ebft n\u1ed1i, <\/span>c\u1ed5ng USB<\/b> c\u00f2n \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i theo chu\u1ea9n t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u. Vi\u1ec7c ph\u00e2n lo\u1ea1i theo t\u1ed1c \u0111\u1ed9 gi\u00fap ng\u01b0\u1eddi d\u00f9ng l\u1ef1a ch\u1ecdn \u0111\u00fang lo\u1ea1i c\u1ed5ng ph\u00f9 h\u1ee3p v\u1edbi thi\u1ebft b\u1ecb v\u00e0 m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng, \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 truy\u1ec1n t\u1ea3i v\u00e0 ti\u1ebft ki\u1ec7m th\u1eddi gian.<\/span><\/p>\n

USB 1.0<\/b><\/h4>\n

Ra \u0111\u1eddi n\u0103m 1996, USB 1.0 l\u00e0 th\u1ebf h\u1ec7 \u0111\u1ea7u ti\u00ean \u0111\u00e1nh d\u1ea5u b\u01b0\u1edbc kh\u1edfi \u0111\u1ea7u cho chu\u1ea9n k\u1ebft n\u1ed1i ph\u1ed5 bi\u1ebfn n\u00e0y. V\u1edbi t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u ch\u1ec9 \u0111\u1ea1t 12 Mbps (megabit tr\u00ean gi\u00e2y), USB 1.0 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c thi\u1ebft b\u1ecb c\u01a1 b\u1ea3n nh\u01b0 chu\u1ed9t v\u00e0 b\u00e0n ph\u00edm th\u1eddi k\u1ef3 \u0111\u1ea7u. D\u00f9 mang t\u00ednh c\u00e1ch m\u1ea1ng l\u00fac b\u1ea5y gi\u1edd, nh\u01b0ng h\u1ea1n ch\u1ebf v\u1ec1 t\u1ed1c \u0111\u1ed9 khi\u1ebfn chu\u1ea9n n\u00e0y nhanh ch\u00f3ng l\u1ed7i th\u1eddi khi nhu c\u1ea7u l\u01b0u tr\u1eef v\u00e0 sao ch\u00e9p d\u1eef li\u1ec7u ng\u00e0y c\u00e0ng l\u1edbn.<\/span><\/p>\n

\"cong-usb-11\"<\/picture><\/p>\n

Hi\u1ec7n nay, r\u1ea5t hi\u1ebfm g\u1eb7p thi\u1ebft b\u1ecb n\u00e0o c\u00f2n s\u1eed d\u1ee5ng USB 1.0, do ph\u1ea7n l\u1edbn ph\u1ea7n c\u1ee9ng \u0111\u1eddi m\u1edbi \u0111\u1ec1u \u0111\u00e3 t\u00edch h\u1ee3p chu\u1ea9n USB t\u1eeb 2.0 tr\u1edf l\u00ean v\u1edbi hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i h\u01a1n r\u1ea5t nhi\u1ec1u.<\/span><\/p>\n

USB 2.0<\/b><\/h4>\n

\u0110\u01b0\u1ee3c gi\u1edbi thi\u1ec7u v\u00e0o n\u0103m 2000, USB 2.0 mang \u0111\u1ebfn b\u01b0\u1edbc nh\u1ea3y v\u1ecdt v\u1ec1 hi\u1ec7u n\u0103ng v\u1edbi t\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a \u0111\u1ea1t 480 Mbps, nhanh g\u1ea5p 40 l\u1ea7n so v\u1edbi USB 1.0. Chu\u1ea9n n\u00e0y nhanh ch\u00f3ng tr\u1edf th\u00e0nh ti\u00eau chu\u1ea9n ph\u1ed5 bi\u1ebfn trong h\u01a1n m\u1ed9t th\u1eadp k\u1ef7, t\u00edch h\u1ee3p tr\u00ean h\u1ea7u h\u1ebft m\u00e1y t\u00ednh, laptop, \u0111\u1ea7u ph\u00e1t media, v\u00e0 thi\u1ebft b\u1ecb ngo\u1ea1i vi.<\/span><\/p>\n

\"cong-usb-12\"<\/picture><\/p>\n

D\u00f9 hi\u1ec7n t\u1ea1i \u0111\u00e3 c\u00f3 nhi\u1ec1u chu\u1ea9n m\u1edbi h\u01a1n, USB 2.0 v\u1eabn c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1edd t\u00ednh \u1ed5n \u0111\u1ecbnh, chi ph\u00ed th\u1ea5p v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c. Tuy nhi\u00ean, trong c\u00e1c t\u00e1c v\u1ee5 c\u1ea7n t\u1ed1c \u0111\u1ed9 cao nh\u01b0 truy\u1ec1n video \u0111\u1ed9 ph\u00e2n gi\u1ea3i l\u1edbn hay sao ch\u00e9p d\u1eef li\u1ec7u dung l\u01b0\u1ee3ng l\u1edbn, USB 2.0 kh\u00f4ng c\u00f2n \u0111\u00e1p \u1ee9ng t\u1ed1t nh\u01b0 tr\u01b0\u1edbc.<\/span><\/p>\n

USB 3.0<\/b><\/h4>\n

Ra m\u1eaft t\u1eeb n\u0103m 2012, USB 3.0 \u0111\u00e1nh d\u1ea5u b\u01b0\u1edbc ph\u00e1t tri\u1ec3n m\u1ea1nh m\u1ebd v\u1edbi t\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ea3i l\u00ean \u0111\u1ebfn 5 Gbps, nhanh g\u1ea5p h\u01a1n 10 l\u1ea7n so v\u1edbi chu\u1ea9n 2.0. \u0110\u1eb7c \u0111i\u1ec3m d\u1ec5 nh\u1eadn bi\u1ebft c\u1ee7a <\/span>c\u1ed5ng USB<\/b> 3.0 l\u00e0 l\u1edbp nh\u1ef1a b\u00ean trong \u0111\u1ea7u c\u1eafm th\u01b0\u1eddng c\u00f3 m\u00e0u xanh d\u01b0\u01a1ng v\u00e0 k\u00fd hi\u1ec7u \u201cSS\u201d (SuperSpeed).<\/span><\/p>\n

\"cong-usb-13\"<\/picture><\/p>\n

Chu\u1ea9n n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch v\u1edbi c\u00e1c thi\u1ebft b\u1ecb l\u01b0u tr\u1eef nh\u01b0 \u1ed5 c\u1ee9ng g\u1eafn ngo\u00e0i, USB flash dung l\u01b0\u1ee3ng l\u1edbn v\u00e0 c\u00e1c thi\u1ebft b\u1ecb y\u00eau c\u1ea7u t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u cao. Ngo\u00e0i t\u1ed1c \u0111\u1ed9 nhanh, USB 3.0 c\u00f2n h\u1ed7 tr\u1ee3 truy\u1ec1n \u0111i\u1ec7n t\u1ed1t h\u01a1n, c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 khi s\u1eed d\u1ee5ng nhi\u1ec1u thi\u1ebft b\u1ecb c\u00f9ng l\u00fac.<\/span><\/p>\n

USB 3.1<\/b><\/h4>\n

L\u00e0 phi\u00ean b\u1ea3n n\u00e2ng c\u1ea5p ti\u1ebfp theo, USB 3.1 \u0111\u01b0\u1ee3c chia l\u00e0m hai th\u1ebf h\u1ec7 v\u1edbi hi\u1ec7u n\u0103ng c\u1ea3i thi\u1ec7n r\u00f5 r\u1ec7t. Trong \u0111\u00f3, USB 3.1 Gen 1 c\u00f3 t\u1ed1c \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng USB 3.0, \u0111\u1ea1t t\u1ed1i \u0111a 5 Gbps, nh\u01b0ng t\u1ed1i \u01b0u h\u01a1n v\u1ec1 hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng.<\/span><\/p>\n

\"cong-usb-14\"<\/picture><\/p>\n

USB 3.1 Gen 2 mang l\u1ea1i b\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 v\u1edbi t\u1ed1c \u0111\u1ed9 truy\u1ec1n l\u00ean \u0111\u1ebfn 10 Gbps, g\u1ea5p \u0111\u00f4i so v\u1edbi Gen 1. B\u00ean c\u1ea1nh vi\u1ec7c t\u0103ng t\u1ed1c, Gen 2 c\u00f2n c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng x\u1eed l\u00fd d\u1eef li\u1ec7u, gi\u00fap gi\u1ea3m \u0111\u1ed9 tr\u1ec5 v\u00e0 t\u1ed1i \u01b0u h\u00f3a dung l\u01b0\u1ee3ng th\u1ef1c t\u1ebf truy\u1ec1n \u0111i.<\/span><\/p>\n

K\u1ebft lu\u1eadn<\/b><\/h2>\n

C\u1ed5ng USB<\/b> \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong h\u1ec7 sinh th\u00e1i c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i, gi\u00fap k\u1ebft n\u1ed1i, truy\u1ec1n d\u1eef li\u1ec7u v\u00e0 cung c\u1ea5p ngu\u1ed3n \u0111i\u1ec7n cho h\u00e0ng lo\u1ea1t thi\u1ebft b\u1ecb kh\u00e1c nhau. Qua nhi\u1ec1u th\u1ebf h\u1ec7 ph\u00e1t tri\u1ec3n c\u1ea3 v\u1ec1 h\u00ecnh d\u1ea1ng k\u1ebft n\u1ed1i l\u1eabn t\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ea3i, c\u1ed5ng giao ti\u1ebfp USB ng\u00e0y c\u00e0ng linh ho\u1ea1t, m\u1ea1nh m\u1ebd v\u00e0 ti\u1ec7n l\u1ee3i h\u01a1n.<\/span><\/p>\n

Xem th\u00eam:<\/b><\/p>\n