SH7721 datasheet(879/1524 Pages) RENESAS

879 / 1524 page

Section 25

USB Function Controller (USBF)

Rev. 3.00 Jan. 18, 2008 Page 817 of 1458

REJ09B0033-0300

25.3.8

Interrupt Select Register 2 (ISR2)

ISR2 selects the interrupt requests to the INTC to be indicated in interrupt flag register 2. When a

bit in ISR2 is cleared to 0, the corresponding interrupt is requested as a USBFI0 interrupt. When a

bit is set to 1, the corresponding interrupt is requested as a USBFI1 interrupt. With the initial

value, each of the interrupt source flags in the interrupt flag register 2 is selected as a USBFI0

interrupt.

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 IS

R/W

SURSE Interrupt Select

CFDN IS

R/W

CFDN Interrupt Select

SOFE IS

R/W

SOFE Interrupt Select

SETCE IS

R/W

SETCE Interrupt Select

SETIE IS

R/W

SETIE Interrupt Select

25.3.9

Interrupt Select Register 3 (ISR3)

ISR3 selects the interrupt requests to the INTC to be indicated in interrupt flag register 3. When a

bit in ISR3 is cleared to 0, the corresponding interrupt is requested as a USBFI0 interrupt. When a

bit is set to 1, the corresponding interrupt is requested as a USBFI1 interrupt. With the initial

value, each of the interrupt source flags in the interrupt flag register 3 is selected as a USBFI0

interrupt.

Bit

Bit Name

Initial Value R/W

Description

7 to 4



All 0

Reserved

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

always be 0.

EP5 TR IS

R/W

EP5 TR Interrupt Select

EP5 TS IS

R/W

EP5 TS Interrupt Select

EP4 TF IS

R/W

EP4 TF Interrupt Select

EP4 TS IS

R/W

EP4 TS Interrupt Select

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