AT90USB646 datasheet(300/459 Pages) ATMEL

300 / 459 page

300

7593H–AVR–11/08

ATmega32U6/AT90USB64/128

• 2 - RSTE - USB Reset Sent Interrupt Enable

Set this bit to enable the RSTI interrupt.

Clear this bit to disable the RSTI interrupt.

• 1 - DDISCE - Device Disconnection Interrupt Enable

Set this bit to enable the DDISCI interrupt.

Clear this bit to disable the DDISCI interrupt.

• 0 - DCONNE - Device Connection Interrupt Enable

Set this bit to enable the DCONNI interrupt.

Clear this bit to disable the DCONNI interrupt.

• 7 - Reserved

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

• 6-0 - HADDR6:0 - USB Host Address

These bits contain the address of the USB Device.

• 7-4 - Reserved

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

• 3-0 - FNUM10:8 - Frame Number

The value contained in this register is the current SOF number.

This value can be modified by software.

• 7-0 - FNUM7:0 - Frame Number

The value contained in this register is the current SOF number.

This value can be modified by software.

Bit

765432

HADDR6

HADDR5

HADDR4

HADDR3

HADDR2

HADDR1

HADDR0

HADDR6

UHADDR

Read/Write

R/W

Initial Value

000000

Bit

765

----

FNUM10

FNUM9

FNUM8

UHFNUMH

Read/Write

RRR

Initial Value

Bit

7654

3210

FNUM7

FNUM6

FNUM5

FNUM4

FNUM3

FNUM2

FNUM1

FNUM0

UHFNUML

Read/Write

RRR

RRRR

Initial Value

0000

AT90USB646 Datasheet(PDF) 300 Page - ATMEL Corporation

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