SH7721 datasheet(820/1524 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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820 / 1524 page

Section 23

USB Pin Multiplex Controller

Rev. 3.00 Jan. 18, 2008 Page 758 of 1458

REJ09B0033-0300

23.3

The USB pin multiplexer controller has the following register.

• USB transceiver control register (UTRCTL)

23.3.1

USB Transceiver Control Register (UTRCTL)

UTRCTL controls the selection of transceiver function and signal source related to the USB port

Bit

Bit Name

Initial Value

R/W

Description

15 to 9



All 0

R/W

Reserved

These bits are always read as all 0s. The write

values should always be all 0s.

DRV

R/W

See section 34, Pin Function Controller (PFC).

7 to 2



All 0

R/W

Reserved

These bits are always read as all 0s. The write

values should always be all 0s.

USB_TRANS 0

USB Port 1 Transceiver Select

0: USB transceiver is enabled

1: USB digital signals output is enabled

USB_SEL

USB Port 1 Signal Source Select

0: Port 1 of USB host controller is used

1: Port 1 of USB function controller is used

SH7721 Datasheet(PDF) 820 Page - Renesas Technology Corp