at91sam9g20-cu ATMEL Corporation, at91sam9g20-cu Datasheet - Page 497

• Manufacturer Part Number: at91sam9g20-cu
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

32.7.2
Name:
Access Type:
• USART_MODE
• USCLKS: Clock Selection
• CHRL: Character Length.
6384B–ATARM–15-Dec-08
ONEBIT
31
23
15
–
7
0
0
1
1
0
0
0
0
0
0
1
0
0
1
1
USART Mode Register
CHMODE
CHRL
USCLKS
CHRL
VAR_SYNC
MODSYNC
30
22
14
US_MR
Read-write
6
0
1
0
1
0
0
0
0
1
1
0
0
1
0
1
USART_MODE
Others
DSNACK
MAN
Character Length
5 bits
6 bits
7 bits
8 bits
29
21
13
5
Selected Clock
MCK
MCK/DIV (DIV = 8)
Reserved
SCK
NBSTOP
USCLKS
0
0
1
1
0
1
0
FILTER
INACK
28
20
12
4
0
1
0
1
0
0
0
OVER
27
19
11
–
3
AT91SAM9G20 Preliminary
Mode of the USART
Normal
RS485
Hardware Handshaking
Modem
IS07816 Protocol: T = 0
IS07816 Protocol: T = 1
IrDA
Reserved
CLKO
PAR
26
18
10
2
USART_MODE
MAX_ITERATION
MODE9
25
17
9
1
MSBF
SYNC
24
16
8
0
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