AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 176

• 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

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.
31
23
15
–
–
–
7
–
0
0
1
1
SRCTYPE
30
22
14
Read/Write
0x0
–
–
–
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
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
SAM7S Series [DATASHEET]
PRIOR
6175M–ATARM–26-Oct-12
25
17
–
–
9
–
1
24
16
–
–
8
–
0
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