AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 162

• 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

23.3
23.4
23.5
Table 23-1.
Pin Name
FIQ
IRQ0 - IRQn
Application Block Diagram
Figure 23-2. Description of the Application Block
AIC Detailed Block Diagram
Figure 23-3. AIC Detailed Block Diagram
I/O Line Description
I/O Line Description
IRQ0-IRQn
FIQ
Applications
Standalone
Peripherals
PIOIRQ
Embedded
Controller
Embedded Peripherals
PIO
Pin Description
Fast Interrupt
Interrupt 0 - Interrupt n
OS Drivers
External
Internal
Source
Source
Stage
Stage
Input
Input
General OS Interrupt Handler
Advanced Interrupt Controller
Advanced Interrupt Controller
Forcing
Fast
OS-based Applications
User Interface
RTOS Drivers
APB
External Peripherals
(External Interrupts)
Controller
Controller
Interrupt
Interrupt
Priority
Fast
Hard Real Time Tasks
SAM7S Series [DATASHEET]
Wake Up
Processor
Clock
Management
nFIQ
nIRQ
Controller
Processor
Power
ARM
6175M–ATARM–26-Oct-12
Type
Input
Input
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