AT91SAM7A1-AU Atmel, AT91SAM7A1-AU Datasheet - Page 94
AT91SAM7A1-AU
Manufacturer Part Number
AT91SAM7A1-AU
Description
IC ARM7 MCU 32BIT ROMLESS144LQFP
Manufacturer
Atmel
Series
AT91SAMr
Specifications of AT91SAM7A1-AU
Core Processor
ARM7
Core Size
16/32-Bit
Speed
40MHz
Connectivity
CAN, EBI/EMI, SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
49
Program Memory Type
ROMless
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
For Use With
AT91SAM7A1-EK - BOARD EVAL FOR AT91SAM7A1
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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14.5.3
Name:
Access:
Address:
• ALARM: Clear Alarm Interrupt
0: No effect.
1: Clear ALARM interrupt.
• SECSEN: Clear Seconds Counter Enabled
0: No effect.
1: Clear the seconds counter enabled interrupt.
• SECSDIS: Clear Seconds Counter Disabled
0: No effect.
1: Clear the seconds counter disabled interrupt.
• ALARMEN: Clear Alarm Enabled
0: No effect.
1: Clear the alarm enabled interrupt.
• ALARMDIS: Clear Alarm Disabled
0: No effect.
1: Clear the alarm disabled interrupt.
94
31
23
15
–
–
–
7
–
AT91SAM7A1
WT Clear Status Register
WT_CSR
Write-only
0xFFFA406C
30
22
14
–
–
–
6
–
29
21
13
–
–
–
5
–
ALARMDIS
28
20
12
–
–
–
4
ALARMEN
27
19
11
–
–
–
3
SECSDIS
26
18
10
–
–
–
2
SECSEN
25
17
–
–
9
–
1
6048B–ATARM–29-Jun-06
ALARM
24
16
–
–
8
–
0
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