AT91 datasheet(119/153 Pages) ATMEL

119 / 153 page

119

AT91X40 Series

1354D–ATARM–08/02

USART Receiver Time-out Register

Name:US_RTOR

Access Type:Read/Write

Reset Value:0

Offset:

0x24

• TO: Time-out Value

When a value is written to this register, a Start Time-out Command is automatically performed.

Time-out duration = TO x 4 x Bit period

USART Transmitter Time-guard Register

Name:

US_TTGR

Access Type:Read/Write

Reset Value:0

Offset:

0x28

• TG: Time-guard Value

Time-guard duration = TG x Bit period

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–

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–

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–

Disables the RX Time-out function.

1 - 255

The Time-out counter is loaded with TO when the Start Time-out Command is given or when each new data character is

received (after reception has started).

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–

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–

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–

Disables the TX Time-guard function.

1 - 255

TXD is inactive high after the transmission of each character for the time-guard duration.

AT91 Datasheet(PDF) 119 Page - ATMEL Corporation

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