r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 1556

Manufacturer Part Number

r5s77631ay266bgv

Renesas 32-bit Risc Microcomputer Superhtm Risc Engine Family Sh-4a Series

Manufacturer

Renesas Electronics Corporation.

Section 35 USB Host Controller (USBH)

Rev. 1.00 Oct. 01, 2007 Page 1490 of 1956

REJ09B0256-0100

Switch to the function module

(This module is selected in USB

Function as default value after

power-on sequence)

Check the status as follows:·

Set the PortSwitch bit to 1 after matching the polarity

between the PULLUPE bit in the USB function module and

the PortPowerStatus bit in the USB host module.

There is no need to match the polarity if the PULLUPE bit is

already ON after the USB function module is started.