R40008 Atmel Corporation, R40008 Datasheet - Page 110
R40008
Manufacturer Part Number
R40008
Description
Manufacturer
Atmel Corporation
Datasheets
1.M40800.pdf
(284 pages)
2.M40800.pdf
(153 pages)
3.R40008.pdf
(19 pages)
4.R40008.pdf
(20 pages)
Specifications of R40008
Flash (kbytes)
0 Kbytes
Pin Count
100
Max. Operating Frequency
75 MHz
Cpu
ARM7TDMI
Hardware Qtouch Acquisition
No
Max I/o Pins
32
Ext Interrupts
32
Usb Speed
No
Usb Interface
No
Uart
2
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
256
Self Program Memory
NO
External Bus Interface
1
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
3.3
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
3
Input Capture Channels
3
32khz Rtc
No
Calibrated Rc Oscillator
No
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USART Mode Register
Name:
Access Type:Read/Write
Reset Value: 0
Offset:
•
•
Start, stop and parity bits are added to the character length.
• SYNC: Synchronous Mode Select (Code Label US_SYNC)
0 = USART operates in Asynchronous Mode.
1 = USART operates in Synchronous Mode.
110
USCLKS: Clock Selection (Baud Rate Generator Input Clock)
CHRL: Character Length
31
23
15
–
–
7
0
0
1
0
0
1
1
AT91X40 Series
CHMODE
USCLKS
CHRL
CHRL
US_MR
0x04
30
22
14
–
–
6
X
0
1
0
1
0
1
Selected Clock
MCK
MCK/8
External (SCK)
Character Length
Five bits
Six bits
Seven bits
Eight bits
29
21
13
–
–
5
NBSTOP
USCLKS
28
20
12
–
–
4
27
19
11
–
–
–
3
CLKO
PAR
26
18
10
–
2
–
US_CLKS_MCK8
US_CLKS_MCK
US_CLKS_SCK
MODE9
Code Label
Code Label
US_CHRL_5
US_CHRL_6
US_CHRL_7
US_CHRL_8
US_CLKS
US_CHRL
25
17
–
9
1
–
1354D–ATARM–08/02
SYNC
24
16
–
–
–
8
0
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