Atmel Evaluation Kit AT91SAM9X25-EK AT91SAM9X25-EK Hoja De Datos

Los códigos de productos
AT91SAM9X25-EK
Descargar
Página de 1151
864
SAM9X25 [DATASHEET]
11054E–ATARM–10-Mar-2014
39.8.18 USART Transmit Holding Register
Name:
US_THR
Address:
0xF801C01C (0), 0xF802001C (1), 0xF802401C (2), 0xF802801C (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. 
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
TXSYNH
TXCHR
7
6
5
4
3
2
1
0
TXCHR