参数资料
型号: M66596WG
元件分类: 总线控制器
英文描述: UNIVERSAL SERIAL BUS CONTROLLER, PBGA64
封装: 0.80 MM PITCH, FBGA-64
文件页数: 40/133页
文件大小: 1611K
代理商: M66596WG
M66596FP/WG
rev .1.00
2006.3.14
page 12 of 127
1.7.7
External elements integration
The controller has the following external elements built into it. Also, because the VBUS pin can withstand 5 V,
the user system can input the VBUS signal directly to the controller.
(1) Resistors necessary for D+ and D- line control
Resistance of D+ and D-line is built in.
D+ pull up-registor(Peripheral mode)
D+, D- pull-down registor(Host mode)
D+, D- terminating resistors (for Hi-Speed operation)
D+, D- output resistors (for Full-Speed operation)
(2) 48 MHz and 480 MHz PLL
One of three external clocks (12 MHz / 24 MHz / 48 MHz) can be selected and Hi-Speed and Full-Speed
operation carried out.
1.7.8
Low-power sleep state function
The controller is equipped with a low-power sleep state that reduces current consumption.
The low-power sleep state functions effectively under the following circumstances.
(1) When there is no host or peripheral controller connected
(2) When the device state is shifted to the suspended state, and USB data transfer is not necessary
The system is returned from the low-power sleep state to the normal operating state using a designated
interrupt, or by dummy writing to the controller.
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