AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 178
AT91SAM7S256D-AU
Manufacturer Part Number
AT91SAM7S256D-AU
Description
ARM Microcontrollers - MCU 256K Flash SRAM 64K ARM based MCU
Manufacturer
Atmel
Series
SAM7S256r
Datasheet
1.AT91SAM7S256D-AU.pdf
(775 pages)
Specifications of AT91SAM7S256D-AU
Rohs
yes
Core
ARM
Processor Series
AT91SAM
Data Bus Width
16 bit/32 bit
Maximum Clock Frequency
55 MHz
Program Memory Size
256 KB
Data Ram Size
64 KB
On-chip Adc
Yes
Operating Supply Voltage
3 V to 3.6 V
Operating Temperature Range
- 40 C to + 85 C
Package / Case
LQFP-64
Mounting Style
SMD/SMT
Interface Type
2-Wire, I2S, SPI, USART
Length
7 mm
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT91SAM7S256D-AU
Manufacturer:
ATMEL
Quantity:
101
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23.8.5
Register Name:
Access Type:
Reset Value:
• FIQV: FIQ Vector Register
The FIQ Vector Register contains the vector programmed by the user in the Source Vector Register 0. When there is no
fast interrupt, the FIQ Vector Register reads the value stored in AIC_SPU.
23.8.6
Register Name:
Access Type:
Reset Value:
• IRQID: Current Interrupt Identifier
The Interrupt Status Register returns the current interrupt source number.
31
23
15
31
23
15
7
–
–
–
7
–
AIC FIQ Vector Register
AIC Interrupt Status Register
30
22
14
30
22
14
AIC_FVR
Read-only
6
AIC_ISR
Read-only
–
–
–
6
–
0 x0
0x0
29
21
13
29
21
13
5
–
–
–
5
–
28
20
12
28
20
12
4
–
–
–
4
FIQV
FIQV
FIQV
FIQV
27
19
11
27
19
11
3
–
–
–
3
IRQID
26
18
10
26
18
10
2
–
–
–
2
SAM7S Series [DATASHEET]
6175M–ATARM–26-Oct-12
25
17
25
17
9
1
–
–
9
–
1
24
16
24
16
8
0
–
–
8
–
0
178
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