H8SX1663 datasheet(815/1158 Pages) RENESAS

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Section 16 USB Function Module (USB)

Rev.1.00 Jun. 07, 2006 Page 763 of 1102

REJ09B0294-0100

16.3.8

Interrupt Enable Register 1 (IER1)

IER1 enables the interrupt requests of interrupt flag register 1 (IFR1). When an interrupt flag is set

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

CPU. The interrupt vector number is determined by the contents of interrupt select register 1

(ISR1).

Bit

Bit Name

Initial Value

R/W



EP3 TR

R/W

EP3 TS

R/W

VBUSF

R/W

Bit

Bit Name

Initial

Value

R/W

Description



Reserved

These bits are always read as 0. The write value

should always be 0.

EP3 TR

R/W

EP3 Transfer Request

EP3 TS

R/W

EP3 Transmission Complete

VBUSF

R/W

USB Bus Connect

16.3.9

Interrupt Enable Register 2 (IER2)

IER2 enables the interrupt requests of interrupt flag register 2 (IFR2). When an interrupt flag is set

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

CPU. The interrupt vector number is determined by the contents of interrupt select register 2

(ISR2).

Bit

Bit Name

Initial Value

R/W

SSRSME

R/W



SURSE

R/W

CFDN

R/W



SETCE

R/W

SETIE

R/W

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