AT90SCR100 datasheet(227/433 Pages) ATMEL

227 / 433 page

227

TPR0327AY–SMS–30Jan09

AT90SCR100

• Bit 4 - CRC16 : CRC16 Error

Set by hardware when a CRC16 error has been detected.

Shall be cleared by software. Setting by software has no effect.

• Bit 3 - PTIMEOUT - Pipe Time-out Error

Set by hardware when a time-out error has been detected.

Shall be cleared by software. Setting by software has no effect.

• Bit 2 - PID - PID Error

Set by hardware when a PID error has been detected.

Shall be cleared by software. Setting by software has no effect.

• Bit 1 - DATAPID - Data PID Error

Set by hardware when a data PID error has been detected.

Shall be cleared by software. Setting by software has no effect.

• Bit 0 - DATATGL - Bad Data Toggle

Set by hardware when a data toggle error has been detected.

Shall be cleared by software. Setting by software has no effect.

17.7.17

UPINTX - USB Pipe INTerrupt Register for Pipe X

Set UPNUM register to point to the relevant Pipe before using the UPINTX register.

• Bit 7 - FIFOCON : FIFO Control

For OUT and SETUP Pipe:

Set by hardware when the current bank is free, at the same time than TXOUT or TXSTP.

Clear to send the FIFO data. Setting by software has no effect.

For IN Pipe:

Set by hardware when a new IN message is stored in the current bank, at the same time than

RXIN.

Clear to free the current bank and to switch to the following bank. Setting by software has no

effect.

• Bit 6 - NAKEDI : NAK Handshake received

Set by hardware when a NAK has been received on the current bank of the Pipe. This triggers

an interrupt if the NAKEDE bit is set in the UPIENX register.

Shall be clear to handshake the interrupt. Setting by software has no effect.

• Bit 5 - RWAL : Read/Write Allowed

Bit

543

$00A6

FIFOCON

NAKEDI

RWAL

PERRI

TXSTPI

TXOUTI RXSTALLI

RXINI

UPINTX

Read/write

R/W

Initial value

0x00

AT90SCR100 데이터시트(PDF) 227 Page - ATMEL Corporation

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