DOC7707 datasheet(214/307 Pages) ETC1

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214

7707F–AVR–11/10

AT90USB82/162

• 7-6 - EPTYPE1:0 - Endpoint Type Bits

Set this bit according to the endpoint configuration:

00b: Control10b: Bulk

01b: Isochronous11b: Interrupt

• 5-1 - Reserved

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

• 0 - EPDIR - Endpoint Direction Bit

Set to configure an IN direction for bulk, interrupt or isochronous endpoints.

Clear to configure an OUT direction for bulk, interrupt, isochronous or control endpoints.

• 7 - Reserved

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

• 6-4 - EPSIZE2:0 - Endpoint Size Bits

Set this bit according to the endpoint size:

000b: 8 bytes

001b: 16 bytes

010b: 32 bytes

011b: 64 bytes

Other : Reserved. Do not use this configuration.

• 3-2 - EPBK1:0 - Endpoint Bank Bits

Set this field according to the endpoint size:

00b: One bank

01b: Double bank

1xb: Reserved. Do not use this configuration.

• 1 - ALLOC - Endpoint Allocation Bit

Set this bit to allocate the endpoint memory.

Clear to free the endpoint memory.

See Section 20.6, page 197 for more details.

Initial

Value

000

Bit

432

EPSIZE2:0

EPBK1:0

ALLOC

UECFG1X

Read/Wri

R/W

Initial

Value

000

Bit

432

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