AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 165

• 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

23.7.1.5
23.7.1.6
Figure 23-4.
Figure 23-5. External Interrupt Source Input Stage
Internal Interrupt Source Input Stage
External Interrupt Source Input Stage
Source i
AIC_ISCR
AIC_ICCR
Internal Interrupt Source Input Stage
Source i
AIC_ISCR
AIC_ICCR
High/Low
Set
Detector
Pos./Neg.
Edge
Detector
Set
Edge
Clear
Clear
AIC_SMRi
(SRCTYPE)
AIC_SMRI
SRCTYPE
Level/
Edge
Level/
Edge
AIC_IPR
AIC_IPR
AIC_IMR
AIC_IMR
FF
SAM7S Series [DATASHEET]
FF
AIC_IDCR
AIC_IECR
Fast Interrupt Controller
or
Priority Controller
Fast Interrupt Controller
or
Priority Controller
AIC_IECR
AIC_IDCR
6175M–ATARM–26-Oct-12
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