SH7721 datasheet(546/1524 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]

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546 / 1524 page

Section 13

Power-Down Modes

Rev. 3.00

Jan. 18, 2008

Page 484 of 1458

REJ09B0033-0300

Bit

Bit Name

Initial

Value

R/W

Description

MSTP31

R/W

Module Stop Bit 31

When the MSTP31 bit is set to 1, the supply of the clock

to the USBH is halted.

0: USBH operates

1: Clock supply to USBH halted

MSTP30

R/W

Module Stop Bit 30

When the MSTP30 bit is set to 1, the supply of the clock

to the USBF is halted.

0: USBF operates

1: Clock supply to USBF halted

13.3.4

Standby Control Register 4 (STBCR4)

STBCR4 is an 8-bit readable/writable register that controls the operation of modules in power-

down mode.

Bit

Bit Name

Initial

Value

R/W

Description

7, 6



All 0

Reserved

These bits are always read as 0. The write value should

always be 0.

MSTP45

R/W

Module Stop Bit 45

When the MSTP45 bit is set to 1, the supply of the clock

to the PCC is halted.

0: PCC operates

1: Clock supply to PCC halted

MSTP44

R/W

Module Stop Bit 44

When the MSTP44 bit is set to 1, the supply of the clock

to the I

2C is halted.

0: I

2C operates

1: Clock supply to I

2C halted

SH7721 Datasheet(PDF) 546 Page - Renesas Technology Corp

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