AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 178

• Manufacturer Part Number: AT91SAM7S256D-AU
• Description: ARM Microcontrollers - MCU 256K Flash SRAM 64K ARM based MCU
• Manufacturer: Atmel
• Series: SAM7S256r

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

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
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