AT89C5131A-RDTIL datasheet(138/185 Pages) ATMEL

138 / 185 page

138

AT89C5131A-L

4338E–USB–06/06

Table 94. USBIEN Register

USBIEN (S:BEh)

USB Global Interrupt Enable Register

Reset Value = 10h

Table 95. USBADDR Register

USBADDR (S:C6h)

USB Address Register

Reset Value = 80h

EWUPCPU

EEORINT

ESOFINT

ESPINT

Bit Number Bit Mnemonic Description

7-6

Reserved

The value read from these bits is always 0. Do not set these bits.

5EWUPCPU

Enable Wake Up CPU Interrupt

Set this bit to enable Wake Up CPU Interrupt. (See “USBIEN Register

USBIEN (S:BEh) USB Global Interrupt Enable Register” on page 138.)

Clear this bit to disable Wake Up CPU Interrupt.

4EEOFINT

Enable End Of Reset Interrupt

Set this bit to enable End Of Reset Interrupt. (See “USBIEN Register USBIEN

(S:BEh) USB Global Interrupt Enable Register” on page 138.). This bit is set

after reset.

Clear this bit to disable End Of Reset Interrupt.

3ESOFINT

Enable SOF Interrupt

Set this bit to enable SOF Interrupt. (See “USBIEN Register USBIEN (S:BEh)

USB Global Interrupt Enable Register” on page 138.).

Clear this bit to disable SOF Interrupt.

Reserved

The value read from these bits is always 0. Do not set these bits.

ESPINT

Enable Suspend Interrupt

Set this bit to enable Suspend Interrupts (see the “USBIEN Register USBIEN

(S:BEh) USB Global Interrupt Enable Register” on page 138).

Clear this bit to disable Suspend Interrupts.

FEN

UADD6

UADD5

UADD4

UADD3

UADD2

UADD1

UADD0

Bit Number

Bit

Mnemonic Description

7FEN

Function Enable

Set this bit to enable the address filtering function.

Cleared this bit to disable the function.

6-0

UADD[6:0]

USB Address

This field contains the default address (0) after power-up or USB bus reset.

It will be written with the value set by a SET_ADDRESS request received by the

device firmware.

AT89C5131A-RDTIL Datasheet(PDF) 138 Page - ATMEL Corporation

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