AT91SAM7X128 Atmel, AT91SAM7X128 Datasheet - Page 167

• 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

23.8.3
Register Name:
Access Type:
Reset Value:
• PRIOR: Priority Level
Programs the priority level for all sources except FIQ source (source 0).
The priority level can be between 0 (lowest) and 7 (highest).
The priority level is not used for the FIQ in the related SMR register AIC_SMRx.
• SRCTYPE: Interrupt Source Type
The active level or edge is not programmable for the internal interrupt sources.
6120H–ATARM–17-Feb-09
31
23
15
–
–
–
7
–
0
0
1
1
AIC Source Mode Register
SRCTYPE
AIC_SMR0..AIC_SMR31
Read-write
0x0
30
22
14
–
–
–
6
SRCTYPE
0
1
0
1
29
21
13
–
–
–
5
Internal Interrupt Sources
High level Sensitive
Positive edge triggered
High level Sensitive
Positive edge triggered
AT91SAM7X512/256/128 Preliminary
28
20
12
–
–
–
4
–
27
19
11
–
–
–
3
–
26
18
10
External Interrupt Sources
Low level Sensitive
Negative edge triggered
High level Sensitive
Positive edge triggered
–
–
–
2
PRIOR
25
17
–
–
9
–
1
24
16
–
–
8
–
0
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