SH7720 Datasheet, PDF (819/1524 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series

Section 23 USB Pin Multiplex Controller
Table 23.3 Pin Configuration (Power Control Signal)
Name
Pin Name
I/O
Description
USB1 power
USB1_pwr_en/
enable/pull-up control USBF_UPLUP
pin
Output
USB port 1 power enable control*/
pull- up control output
USB2 power enable USB2_pwr_en
pin
Output USB port 2 power enable control
USB1 over current
/monitor pin
USB1_ovr_current/ Input
USBF_VBUS
USB port 1 over-current detect/
USB cable connection monitor pin*
USB2 over current pin USB2_ovr_current Input
USB port 2 over-current detect
Note: The pins shown in table 23.3 can be used for power control of USB. Pins for port 1 (pins
with *) have the functions that are multiplexed functions of USB controller and USB function
controller.
Table 23.4 Pin Configuration (Clock Signal)
Name
USB external clock
Pin Name
EXTAL_USB
I/O
Input
USB crystal
XTAL_USB
Output
Description
Connects a crystal resonator for USB.
Also used to input an external clock for
USB (48 MHz input).
Connects a USB crystal resonator for
USB.
Rev. 3.00 Jan. 18, 2008 Page 757 of 1458
REJ09B0033-0300