AT91M40800-33AI Atmel, AT91M40800-33AI Datasheet - Page 97

• Manufacturer Part Number: AT91M40800-33AI
• Description: IC ARM7 MCU 100 TQFP
• Manufacturer: Atmel
• Series: AT91SAMr

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: -

Reset Status Register
Register Name: SF_RSR
Access Type:
Reset Value:
Offset:
• RESET: Reset Status Information
This field indicates whether the reset was demanded by the external system (via NRST) or by the Watchdog internal reset
request.
1354D–ATARM–08/02
Reset
0x6C
0x53
31
23
15
–
–
–
7
Read Only
See Below
0x08
30
22
14
–
–
–
6
Cause of Reset
External Pin
Internal Watchdog
29
21
13
–
–
–
5
28
20
12
–
–
–
4
RESET
27
19
11
–
–
–
3
26
18
10
–
–
–
2
SF_EXT_RESET
AT91X40 Series
SF_WD_RESET
Code Label
SF_RESET
25
17
–
–
9
–
1
24
16
–
–
–
8
0
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