AT91SAM7X128 Atmel, AT91SAM7X128 Datasheet - Page 169

• Manufacturer Part Number: AT91SAM7X128
• Description: MCU 32-Bit 91S ARM7TDMI RISC 128KB Flash 1.8V/3.3V 100-Pin LQFP
• Manufacturer: Atmel

Specifications of AT91SAM7X128

• Package: 100LQFP
• Device Core: ARM7TDMI
• Family Name: 91S
• Maximum Speed: 55 MHz
• Ram Size: 32 KB
• Program Memory Size: 128 KB
• Operating Supply Voltage: 1.8|3.3 V
• Data Bus Width: 32 Bit
• Program Memory Type: Flash
• Number Of Programmable I/os: 62
• Interface Type: CAN/Ethernet/SPI/I2S/TWI/USART/USB
• On-chip Adc: 8-chx10-bit
• Operating Temperature: -40 to 85 °C
• Number Of Timers: 3

23.8.6
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.
23.8.7
Register Name:
Access Type:
Reset Value:
• IRQID: Current Interrupt Identifier
The Interrupt Status Register returns the current interrupt source number.
6120H–ATARM–17-Feb-09
31
23
15
31
23
15
7
–
–
–
7
–
AIC FIQ Vector Register
AIC Interrupt Status Register
AIC_FVR
Read-only
30
22
14
AIC_ISR
Read-only
30
22
14
6
–
–
–
6
–
0
0
29
21
13
29
21
13
5
–
–
–
5
–
AT91SAM7X512/256/128 Preliminary
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
25
17
25
17
9
1
–
–
9
–
1
24
16
24
16
8
0
–
–
8
–
0
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