ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 732

• Manufacturer Part Number: ATSAM3U-EK
• Description: KIT EVAL FOR AT91SAM3U CORTEX
• Manufacturer: Atmel
• Type: MCUr

Specifications of ATSAM3U-EK

• Contents: Board
• Processor To Be Evaluated: SAM3U
• Data Bus Width: 32 bit
• Interface Type: RS-232, USB
• Operating Supply Voltage: 3 V
• Silicon Manufacturer: Atmel
• Core Architecture: ARM
• Core Sub-architecture: Cortex - M3
• Silicon Core Number: SAM3U4E
• Silicon Family Name: SAM3U
• Kit Contents: Board CD Docs
• Rohs Compliant: Yes
• For Use With/related Products: AT91SAM3U
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

35.8.2
Name:
Address:
Access:
This register can only be written if the WPEN bit is cleared in
• USART_MODE
• USCLKS: Clock Selection
732
732
INVDATA
ONEBIT
Value
Value
31
23
15
7
0xE
0xF
0x0
0x1
0x2
0x3
0x4
0x6
0x8
0
1
3
SAM3U Series
SAM3U Series
USART Mode Register
CHMODE
CHRL
VAR_SYNC
MODSYNC
HW_HANDSHAKING
30
22
14
US_MR
0x40090004 (0), 0x40094004 (1), 0x40098004 (2), 0x4009C004 (3)
Read-write
6
SPI_MASTER
IS07816_T_0
IS07816_T_1
SPI_SLAVE
NORMAL
MODEM
RS485
Name
Name
MCK
IRDA
SCK
DIV
DSNACK
MAN
29
21
13
5
NBSTOP
USCLKS
Description
Normal mode
RS485
Hardware Handshaking
Modem
IS07816 Protocol: T = 0
IS07816 Protocol: T = 1
IrDA
SPI Master
SPI Slave
Description
Master Clock MCK is selected
Internal Clock Divided MCK/DIV (DIV=8) is selected
Serial Clock SLK is selected
FILTER
INACK
28
20
12
4
“USART Write Protect Mode Register” on page
OVER
27
19
11
–
3
CLKO
PAR
26
18
10
2
USART_MODE
MAX_ITERATION
MODE9
25
17
9
1
6430D–ATARM–25-Mar-11
6430D–ATARM–25-Mar-11
MSBF/CPOL
SYNC/CPHA
752.
24
16
8
0