AT91M40800-33AI Atmel, AT91M40800-33AI Datasheet - Page 110
AT91M40800-33AI
Manufacturer Part Number
AT91M40800-33AI
Description
IC ARM7 MCU 100 TQFP
Manufacturer
Atmel
Series
AT91SAMr
Datasheets
1.AT91M40800-33AU.pdf
(18 pages)
2.AT91R40807-33AI.pdf
(153 pages)
3.AT91M40800-33AI.pdf
(21 pages)
Specifications of AT91M40800-33AI
Core Processor
ARM7
Core Size
16/32-Bit
Speed
33MHz
Connectivity
EBI/EMI, UART/USART
Peripherals
POR, WDT
Number Of I /o
32
Program Memory Type
ROMless
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
100-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT91M40800-33AI
Manufacturer:
ATMEL
Quantity:
40
Company:
Part Number:
AT91M40800-33AI
Manufacturer:
QFP
Quantity:
319
Part Number:
AT91M40800-33AI
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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