AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 182

• 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

23.8.13
Register Name:
Access Type:
• FIQ, SYS, PID2-PID31: Interrupt Set
0 = No effect.
1 = Sets corresponding interrupt.
23.8.14
Register Name:
Access Type:
The End of Interrupt Command Register is used by the interrupt routine to indicate that the interrupt treatment is complete.
Any value can be written because it is only necessary to make a write to this register location to signal the end of interrupt
treatment.
PID31
PID23
PID15
PID7
31
23
15
31
23
15
7
–
–
–
7
–
AIC Interrupt Set Command Register
AIC End of Interrupt Command Register
PID30
PID22
PID14
PID6
30
22
14
30
22
14
AIC_ISCR
Write-only
6
AIC_EOICR
Write-only
–
–
–
6
–
PID29
PID21
PID13
PID5
29
21
13
29
21
13
5
–
–
–
5
–
PID28
PID20
PID12
PID4
28
20
12
28
20
12
4
–
–
–
4
–
PID27
PID19
PID11
PID3
27
19
11
27
19
11
3
–
–
–
3
–
PID26
PID18
PID10
PID2
26
18
10
26
18
10
2
–
–
–
2
–
SAM7S Series [DATASHEET]
PID25
PID17
PID9
SYS
6175M–ATARM–26-Oct-12
25
17
25
17
9
1
–
–
9
–
1
–
PID24
PID16
PID8
FIQ
24
16
24
16
8
0
–
–
8
–
0
–
182