AT91SAM7SE256-AU Atmel, AT91SAM7SE256-AU Datasheet - Page 246

• Manufacturer Part Number: AT91SAM7SE256-AU
• Description: IC ARM7 MCU FLASH 256K 128-LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7SE256-AU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: EBI/EMI, I²C, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 88
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 128-LQFP
• Processor Series: AT91SAMx
• Core: ARM7TDMI
• Data Bus Width: 32 bit
• Data Ram Size: 32 KB
• Interface Type: SPI, TWI, USART
• Maximum Clock Frequency: 55 MHz
• Number Of Programmable I/os: 88
• Number Of Timers: 2
• Operating Supply Voltage: 3 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: JTRACE-ARM-2M, KSK-AT91SAM7S-PL, MDK-ARM, RL-ARM, ULINK2
• Development Tools By Supplier: AT91SAM-ICE, AT91-ISP, AT91SAM7SE-EK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• Controller Family/series: AT91SAM7xxxxx
• No. Of I/o's: 88
• Ram Memory Size: 32KB
• Cpu Speed: 48MHz
• No. Of Timers: 3
• Rohs Compliant: Yes
• For Use With: AT91SAM7SE-EK - EVAL BOARD FOR AT91SAM7SEAT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

27.3
27.4
27.5
Table 27-1.
246
Pin Name
FIQ
IRQ0 - IRQn
Application Block Diagram
AIC Detailed Block Diagram
I/O Line Description
SAM7SE512/256/32 Preliminary
I/O Line Description
Figure 27-2. Description of the Application Block
Figure 27-3. AIC Detailed Block Diagram
IRQ0-IRQn
FIQ
Pin Description
Fast Interrupt
Interrupt 0 - Interrupt n
Applications
Standalone
Peripherals
Embedded
PIOIRQ
Controller
Embedded Peripherals
PIO
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
Wake Up
Processor
Type
Input
Input
Clock
Management
nFIQ
nIRQ
Controller
Processor
Power
6222F–ATARM–14-Jan-11
ARM