SH7721 datasheet(819/1524 Pages) RENESAS

Part #	SH7721

Description	Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series

PDF	1524 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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819 / 1524 page

Section 23

USB Pin Multiplex Controller

Rev. 3.00 Jan. 18, 2008 Page 757 of 1458

REJ09B0033-0300

Table 23.3

Pin Configuration (Power Control Signal)

Name

Pin Name

I/O

Description

USB1 power

enable/pull-up control

USB1_pwr_en/

USBF_UPLUP

Output

USB port 1 power enable control*/

pull- up control output

USB2 power enable

USB2_pwr_en

Output

USB port 2 power enable control

USB1 over current

/monitor pin

USB1_ovr_current/

USBF_VBUS

Input

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

Pin Name

I/O

Description

USB external clock

EXTAL_USB

Input

Connects a crystal resonator for USB.

Also used to input an external clock for

USB (48 MHz input).

USB crystal

XTAL_USB

Output

Connects a USB crystal resonator for

USB.

SH7721 Datasheet(PDF) 819 Page - Renesas Technology Corp

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