Freescale Semiconductor TWR-MCF52259-Ethenet - Manual (Page 85)

TM
Introduction to USB
USB 2.0 High-
speed
USB 1.1 Full-
speed
USB 2.0 Full-
speed
USB 1.1 Low-
speed
USB 2.0 Low-
speed
Spec
Vast bandwidth
improvements Video, storage,
imaging 480 Mbps / 25-
400 Mbps
Moderate
performance;
guaranteed latency;
guaranteed
bandwidth Printers, audio
devices, floppy
drives 12 Mbps / 5-10
Mbps
Low cost but limited
performance; type
and number of
endpoints are limited Keyboard,
mouse, joystick 1.5 Mbps / 10-
100 Kbps
Notes Applications Data Rate and
Performance
Current USB Speeds and Limitations
History and Evolution
In
tr
o
d
u
ct
io
n
t
o
U
S
B