AT91M40800-33AI Atmel, AT91M40800-33AI Datasheet - Page 119
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 Receiver Time-out Register
Name:
Access Type:Read/Write
Reset Value: 0
Offset:
• TO: Time-out Value
When a value is written to this register, a Start Time-out Command is automatically performed.
Time-out duration = TO x 4 x Bit period
USART Transmitter Time-guard Register
Name:
Access Type:Read/Write
Reset Value: 0
Offset:
• TG: Time-guard Value
Time-guard duration = TG x Bit period
1354D–ATARM–08/02
1 - 255
1 - 255
TO
0
TG
0
31
23
15
31
23
15
–
–
–
–
–
–
7
7
Disables the RX Time-out function.
The Time-out counter is loaded with TO when the Start Time-out Command is given or when each new data character is
received (after reception has started).
US_RTOR
0x24
US_TTGR
0x28
Disables the TX Time-guard function.
TXD is inactive high after the transmission of each character for the time-guard duration.
30
22
14
30
22
14
–
–
–
6
–
–
–
6
29
21
13
29
21
13
–
–
–
5
–
–
–
5
28
20
12
28
20
12
–
–
–
–
–
–
4
4
TO
TG
27
19
27
19
11
11
–
–
–
–
–
–
3
3
26
18
10
26
18
10
–
–
–
2
–
–
–
2
AT91X40 Series
25
17
25
17
–
–
9
–
1
–
–
9
–
1
24
16
24
16
–
–
–
–
–
–
8
0
8
0
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