AT89C5131-RDTIL datasheet(136/176 Pages) ATMEL

136 / 176 page

136

AT89C5131

4136B–USB–09/03

Table 92. USBIEN Register

USBIEN (S:BEh)

USB Global Interrupt Enable Register

Reset Value = 10h

Table 93. USBADDR Register

USBADDR (S:C6h)

USB Address Register

Reset Value = 80h

765

43210

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 136)

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 136). 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 136).

Clear this bit to disable SOF Interrupt.

Reserved

The value read from this bit is always 0. Do not set this bit.

Reserved

The value read from this bit is always 0. Do not set this bit.

0ESPINT

Enable Suspend Interrupt

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

(S:BEh) USB Global Interrupt Enable Register” on page 136).

Clear this bit to disable Suspend Interrupts.

765

43210

FEN

UADD6

UADD5

UADD4

UADD3

UADD2

UADD1

UADD0

Bit Number

Bit

Mnemonic Description

7FEN

Function Enable

Set this bit to enable the function. FADD is reset to 1.

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.

AT89C5131-RDTIL Datasheet(PDF) 136 Page - ATMEL Corporation

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