Atmel Evaluation Kit AT91SAM9M10-G45-EK AT91SAM9M10-G45-EK Hoja De Datos

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AT91SAM9M10-G45-EK
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SAM9M10 [DATASHEET]
6355F–ATARM–12-Mar-13
 
31.8.8
USART  Transmit  Holding  Register
Name:
US_THR
Addresses:
0xFFF8C01C (0), 0xFFF9001C (1), 0xFFF9401C (2), 0xFFF9801C (3)
Access:
Write-only 
• TXCHR:  Character  to  be  Transmitted
Next character to be transmitted after the current character if TXRDY is not set.
• TXSYNH:  Sync  Field  to  be  transmitted
0: The next character sent is encoded as a data. Start Frame Delimiter is DATA SYNC.
1: The next character sent is encoded as a command. Start Frame Delimiter is COMMAND SYNC. 
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TXSYNH
TXCHR
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1
0
TXCHR