AT90USB646 datasheet(283/456 Pages) ATMEL

283 / 456 page

283

7593L–AVR–09/12

AT90USB64/128

• 5 - Reserved

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

• 4 - NAKOUTE - NAK OUT Interrupt Enable bit

Set to enable an endpoint interrupt (EPINTx) when NAKOUTI is set.

Clear to disable an endpoint interrupt (EPINTx) when NAKOUTI is set.

• 3 - RXSTPE - Received SETUP Interrupt Enable flag

Set to enable an endpoint interrupt (EPINTx) when RXSTPI is sent.

Clear to disable an endpoint interrupt (EPINTx) when RXSTPI is sent.

• 2 - RXOUTE - Received OUT Data Interrupt Enable flag

Set to enable an endpoint interrupt (EPINTx) when RXOUTI is sent.

Clear to disable an endpoint interrupt (EPINTx) when RXOUTI is sent.

• 1 - STALLEDE - Stalled Interrupt Enable flag

Set to enable an endpoint interrupt (EPINTx) when STALLEDI is sent.

Clear to disable an endpoint interrupt (EPINTx) when STALLEDI is sent.

• 0 - TXINE - Transmitter Ready Interrupt Enable flag

Set to enable an endpoint interrupt (EPINTx) when TXINI is sent.

Clear to disable an endpoint interrupt (EPINTx) when TXINI is sent.

• 7-0 - DAT7:0 -Data bits

Set by the software to read/write a byte from/to the endpoint FIFO selected by EPNUM.

• 7-3 - Reserved

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

• 2-0 - BYCT10:8 - Byte count (high) bits

Set by hardware. This field is the MSB of the byte count of the FIFO endpoint. The LSB part is

provided by the UEBCLX register.

Bit

76543

210

DAT D7

DAT D6

DAT D5

DAT D4

DAT D3

DAT D2

DAT D1

DAT D0

UEDATX

Read/write

R/W

Initial value

00000

000

Bit

76543

BYCT D10 BYCT D9

BYCT D8

UEBCHX

Read/write

RRRR

Initial value

00000

AT90USB646 Datasheet(PDF) 283 Page - ATMEL Corporation

AT90USB646 Datasheet(HTML) 283 Page - ATMEL Corporation

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL