Philips ISP1301 Manual de usuario descargar pdf (Pagina 11)

Philips Semiconductors ISP1301 USB OTG Transceiver Eval Kit User’s Guide

User’s Guide Rev. 1.0—February 2003 11 of 18

Figure 5-3: Read/Write register screen display

5.3.5. Select Mode of Operation

You can select the mode of operation of the ISP1301 by selecting item 5 from the main menu. A submenu will

appear on the screen. See Figure 5-4. The possible choices include the USB functional mode (four data encoding

and decoding methods), transparent I

C mode, transparent buffer mode, USB suspend mode, and global power-

down mode.

Note: If the ISP1301 Engineering Sample 1 (ES1) (that is, the chip whose version register reads 0x0100, or the chip

package is marked ####AX) is mounted on the evaluation board, software cannot wake up the chip, if set to the

global power-down mode. Only a hardware reset can wake up the chip.

Figure 5-4: Select Mode of Operation screen display

5.3.6. Enable/Disable charge-pump

If the charge pump in the ISP1301 is disabled, selecting menu item 6 will enable the charge pump. If the charge

pump is enabled, selecting menu item 6 will disable it.

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Philips ISP1301 Manual de usuario Pagina 11