SH7721 datasheet(881/1524 Pages) RENESAS

881 / 1524 page

Section 25

USB Function Controller (USBF)

Rev. 3.00 Jan. 18, 2008 Page 819 of 1458

REJ09B0033-0300

25.3.12

Interrupt Enable Register 1 (IER1)

IER1 enables the interrupt requests of the interrupt flag register 1. When an interrupt flag is set to

1 while the corresponding bit of each interrupt is set to 1, the interrupt request set in the interrupt

select register 1 is issued.

Bit

Bit Name

Initial Value R/W Description

7 to 3



All 0

Reserved

These bits are always read as 0. The write value

should always be 0.

EP3 TR IE

R/W EP3 TR Interrupt Enable

EP3 TS IE

R/W EP3 TS Interrupt Enable

VBUSF IE

R/W VBUSF Interrupt Enable

25.3.13

Interrupt Enable Register 2 (IER2)

IER2 enables the interrupt requests of the interrupt flag register 2. When an interrupt flag is set to

1 while the corresponding bit of each interrupt is set to 1, the interrupt request set in the interrupt

select register 2 is issued.

Bit

Bit Name

Initial Value R/W

Description

7 to 5



All 0

Reserved

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

always be 0.

SURSE IE

R/W

SURSE Interrupt Enable

CFDN IE

R/W

CFDN Interrupt Enable

SOFE IE

R/W

SOFE Interrupt Enable

SETCE IE

R/W

SETCE Interrupt Enable

SETIE IE

R/W

SETIE Interrupt Enable

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